The submarine Mahukona Volcano, west of the island of Hawaii, is located on the Loa loci line between Kahoolawe and Hualalai Volcanoes. The west rift zone ridge of the volcano extends across a drowned coral reef at about-1150 m and a major slope break at about-1340 m, both of which represent former shoreines. The summit of the volcano apparently reached to about 250 m above sea level (now at-1100 m depth) did was surmounted by a roughly circular caldera. A econd rift zone probably extended toward the east or sutheast, but is completely covered by younger lavas from the adjacent subaerial volcanoes. Samples were vecovered from nine dredges and four submersible lives. Using subsidence rates and the compositions of flows which drape the dated shoreline terraces, we infer that the voluminous phase of tholeiitic shield growth ended about 470 ka, but tholeiitic eruptions continued until at least 435 ka. Basalt, transitional between tholeiitic and alkalic basalt, erupted at the end of tholeiitic volcanism, but no postshield-alkalic stage volcanism occurred. The summit of the volcano apparently subcided below sea level between 435 and 365 ka. The tholeiitic lavas recovered are compositionally diverse.
Many seismically active regions occur throughout the world as concentrated zones surrounded by the relatively stable crust of shields or platforms. Examples occur in central and eastern North America, northeastern Brazil, Australia, Norway, Svalbard, Greenland, and other places. Some of these zones, such as those at New Madrid, Missouri, and in the St. Lawrence Valley on the Canadian border, extend over relatively large areas and are marked by a high level of seismicity. Others, such as that near Anna Ohio, are smaller, and the level of activity is lower. Some zones are occasinoally sites for major earthquakes which, if they are in populated regions, can cause widespread destrucion and loss of life.
","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Mitchell, B.J., 1991, Mid-continent earthquake zones; lessons from New Madrid, Missouri: Earthquakes & Volcanoes (USGS), v. 22, no. 3, p. 120-123.","productDescription":"4 p.","startPage":"120","endPage":"123","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318143,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Missouri","otherGeospatial":"New Madrid","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -89.58526611328125,\n 36.6254475139069\n ],\n [\n -89.43832397460938,\n 36.640875904982344\n ],\n [\n -89.43008422851562,\n 36.49749349301181\n ],\n [\n -89.57290649414062,\n 36.49418152677429\n ],\n [\n -89.59625244140625,\n 36.62434536776987\n ],\n [\n -89.58526611328125,\n 36.6254475139069\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"22","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56c6f942e4b0946c6524073e","contributors":{"authors":[{"text":"Mitchell, B. J.","contributorId":167029,"corporation":false,"usgs":false,"family":"Mitchell","given":"B.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":620807,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":28665,"text":"wri904115 - 1990 - Water-resources potential of the freshwater lens at Key West, Florida","interactions":[],"lastModifiedDate":"2021-10-14T12:10:52.107661","indexId":"wri904115","displayToPublicDate":"2021-10-13T11:05:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"90-4115","title":"Water-resources potential of the freshwater lens at Key West, Florida","docAbstract":"The island of Key West lies at the end of the Florida Keys, about 150 miles southwest of Miami. The public-water supply for the island is provided by the Florida Keys Aqueduct Authority Well Field near Miami. However, there are many privately owned wells on the island that tap the local fresh ground-water lens for potable and nonpotable water supply. The number of people who use water from the wells for drinking purposes is unknown.\r\n\r\nFrom 1985 to 1988, the U.S. Geological Survey, in cooperation with the South Florida Water Management District, conducted an investigation to characterize the Key West freshwater lens. Observation wells were drilled to determine the extent of the lens and to characterize the water quality. Previous well logs and well-core data collected during the investigation showed the aquifer to be a highly permeable, porous, solution-riddled, oolitic limestone that allows rainfall recharge to quickly seep into the ocean and saltwater to easily intrude the aquifer.\r\n\r\nThe small freshwater lens (250 milligrams per liter of chloride concentration, or less) averages 5 feet in thickness below the center of the western half (Old Town) of the island. The lens contains about 20 million gallons of fresh-water during the dry season and about 30 million gallons during the wet season. Underlying the freshwater lens is a transition zone of freshwater-saltwater mix that extends to the saltwater interface (19,000 milligrams per liter of chloride concentration), which is about 40-feet deep at the center of the lens. The water table fluctuates and the configuration of the lens constantly changes, largely as a result of tidal effects. Other events, such as rainfall, pumping, and evapotranspiration, are masked by the tidal effects.\r\n\r\nThe freshwater lens is a calcium bicarbonate water that grades to a sodium chloride type near the saltwater interface. Elevated concentrations of nitrate nitrogen were found in water samples from wells in the Old Town district. However, concentrations generally were not above the maximum contaminant level of 10 milligrams per liter for drinking water established by the Florida Department of Environmental Regulation. Water samples near an old land-fill in the eastern half of the island had concentrations of iron (600-1,900 micrograms per liter) and lead (40-800 micrograms per liter) that extended maximum contaminant levels of 300 and 50 micrograms per liter. These trace-element concentrations generally decreased with distance from the landfill.\r\n\r\nAlthough the freshwater lens is a potential source of water for additional nonpotable water needs in Key West, any large-scale pumping could quickly exhaust the freshwater lens, and saline water could be rapidly drawn though the porous limestone aquifer. Water-quality data indicate that the lens is an unlikely source of potable water.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri904115","usgsCitation":"McKenzie, D., 1990, Water-resources potential of the freshwater lens at Key West, Florida: U.S. Geological Survey Water-Resources Investigations Report 90-4115, iv, 24 p., https://doi.org/10.3133/wri904115.","productDescription":"iv, 24 p.","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":57505,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1990/4115/report.pdf","text":"Report","size":"882 KB","linkFileType":{"id":1,"text":"pdf"},"description":"WRI 90-4115"},{"id":124359,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1990/4115/report-thumb.jpg"}],"country":"United States","state":"Florida","city":"Key West","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -82.11181640625,\n 24.44714958973082\n ],\n [\n -81.39770507812499,\n 24.44714958973082\n ],\n [\n -81.39770507812499,\n 24.766784522874453\n ],\n [\n -82.11181640625,\n 24.766784522874453\n ],\n [\n -82.11181640625,\n 24.44714958973082\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
U.S. Geological Survey
3321 College Avenue
Davie, FL 33314
The unprecedented natural gas price increases in the late 1970's and early 1980's allowed a glimpse of part of the in-situ distribution of natural gas fields that had been hidden by economic truncation. Analysis of those discoveries shows the distribution to be characterized by progressively larger numbers of fields as size category declines. This paper demonstrates the effects of economic truncation for gas fields found in Texas State and Federal offshore areas in the Gulf of Mexico. Economic and policy implications of alternative in-situ field size distribution influence future gas supplies, the associated costs, and petroleum industry activity.
","language":"English","publisher":"Sage Publications","doi":"10.1177/014459879000800307","issn":"01445987","usgsCitation":"Attanasi, E., and Drew, L., 1990, Economic implications of petroleum field size distributions: Energy Exploration & Exploitation, v. 8, no. 3, p. 245-257, https://doi.org/10.1177/014459879000800307.","productDescription":"13 p.","startPage":"245","endPage":"257","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":358140,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","issue":"3","noUsgsAuthors":false,"publicationDate":"1990-06-01","publicationStatus":"PW","scienceBaseUri":"5c112564e4b034bf6a81e5b1","contributors":{"authors":[{"text":"Attanasi, Emil D. 0000-0001-6845-7160 attanasi@usgs.gov","orcid":"https://orcid.org/0000-0001-6845-7160","contributorId":198728,"corporation":false,"usgs":true,"family":"Attanasi","given":"Emil D.","email":"attanasi@usgs.gov","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":747412,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Drew, Lawrence J. ldrew@usgs.gov","contributorId":190730,"corporation":false,"usgs":true,"family":"Drew","given":"Lawrence J.","email":"ldrew@usgs.gov","affiliations":[],"preferred":false,"id":747413,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70179025,"text":"70179025 - 1990 - Ground-water resources and simulated effects of withdrawals in the East Shore area of Great Salt Lake, Utah","interactions":[],"lastModifiedDate":"2016-12-13T14:09:30","indexId":"70179025","displayToPublicDate":"2016-11-01T00:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"seriesTitle":{"id":294,"text":"Technical Publication","active":false,"publicationSubtype":{"id":4}},"seriesNumber":"93","title":"Ground-water resources and simulated effects of withdrawals in the East Shore area of Great Salt Lake, Utah","docAbstract":"The ground-water resources in the East Shore area of Great Salt Lake, Utah, were studied to better define the ground-water system; to document changes in ground-water levels, quality, and storage; and to simulate effects of an increase in ground-water withdrawals. The East Shore aquifer system is in basin-fill deposits, and is primarily a confined system with unconfined parts near the mountain front.
Recharge to and discharge from the East Shore aquifer system were estimated to average about 160,000 acre-feet per year during 1969-84, with minor amounts of water being removed from storage during that period. Major sources of ground-water recharge are seepage from surface water in natural channels and irrigation canals, and subsurface inflow from consolidated rock to the basin-fill deposits. Discharge of ground water is primarily to wells, water courses, springs, and as diffuse seepage to Great Salt Lake. Average annual surface-water inflow to the study area was estimated to be 860,000 acre-feet for the period 1969-84. Annual withdrawal of ground water for municipal and industrial use increased from about 10,000 acre-feet in 1960 to more than 30,000 acre-feet in 1980 to supply a population that increased from 175,000 in 1960 to 290,000 in 1980.
Long-term trends of ground-water levels indicate a steady decline at most observation wells since 1952, despite near normal or increased precipitation since the late 1960's. Water levels declined as much as 50 feet near the principal pumping center in the east-central part of the study area. They declined as much as 35 feet more than five miles from the pumping center. The increase in withdrawals and subsequent water-level declines have caused about 700 wells within 30 square miles to cease flowing since 1954.
A numerical model of the East Shore aquifer system in the Weber Delta area was constructed and calibrated using water-level data and changes in ground-water withdrawals for 1955-85. Predictive simulations were made based on doubling the 1980-84 rate of municipal and industrial withdrawals for 20 years, and using both average and below-average recharge rates. The simulations indicated water-level declines of an additional 35 to 50 feet near the principal pumping center; a decrease in natural discharge to drains, evapotranspiration, and Great Salt Lake; and a decrease in ground-water storage of 80,000 to 115,000 acre-feet after 20 years.
","language":"English","publisher":"Utah Department of Natural Resources, Division of Water Rights","publisherLocation":"Salt Lake City, UT","collaboration":"Prepared by the United State Geological Survey in cooperation with the Utah Department of Natural Resources Division of Water Rights","usgsCitation":"Clark, D.W., Appel, C.L., Lambert, P.M., and Puryear, R.L., 1990, Ground-water resources and simulated effects of withdrawals in the East Shore area of Great Salt Lake, Utah: Technical Publication 93, xi, 150 p.","productDescription":"xi, 150 p.","numberOfPages":"160","costCenters":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"links":[{"id":332058,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":332056,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.waterrights.utah.gov/cgi-bin/libview.exe?Modinfo=Viewpub&LIBNUM=20-6-330"},{"id":332057,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://waterrights.utah.gov/docSys/v920/y920/y9200002.pdf"}],"country":"United States","state":"Utah","county":"Box Elder County, Davis County, Weber County","otherGeospatial":"East Shore Area, Great Salt Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -112.39013671875,\n 40.65563874006118\n ],\n [\n -112.39013671875,\n 41.430371882652814\n ],\n [\n -111.5277099609375,\n 41.430371882652814\n ],\n [\n -111.5277099609375,\n 40.65563874006118\n ],\n [\n -112.39013671875,\n 40.65563874006118\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"585116bee4b08138bf1abd6c","contributors":{"authors":[{"text":"Clark, David W.","contributorId":77146,"corporation":false,"usgs":true,"family":"Clark","given":"David","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":655810,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Appel, Cynthia L.","contributorId":34509,"corporation":false,"usgs":true,"family":"Appel","given":"Cynthia","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":655811,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lambert, Patrick M. 0000-0001-6808-2303 plambert@usgs.gov","orcid":"https://orcid.org/0000-0001-6808-2303","contributorId":349,"corporation":false,"usgs":true,"family":"Lambert","given":"Patrick","email":"plambert@usgs.gov","middleInitial":"M.","affiliations":[{"id":38131,"text":"WMA - Office of Planning and Programming","active":true,"usgs":true}],"preferred":true,"id":655812,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Puryear, Robert L.","contributorId":85191,"corporation":false,"usgs":true,"family":"Puryear","given":"Robert","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":655813,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70179027,"text":"70179027 - 1990 - Base of moderately saline ground water in San Juan County, Utah","interactions":[],"lastModifiedDate":"2016-12-13T14:50:45","indexId":"70179027","displayToPublicDate":"2016-11-01T00:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"seriesTitle":{"id":294,"text":"Technical Publication","active":false,"publicationSubtype":{"id":4}},"seriesNumber":"94","title":"Base of moderately saline ground water in San Juan County, Utah","docAbstract":"The base of moderately saline ground water (water that contains from 3,000 to 10,000 milligrams per liter of dissolved solids) was delineated for San Juan County, Utah, based on water-quality data and on formation-water resistivities determined from geophysical well logs using the resistivity-porosity, spontaneous-potential, and resistivity-ratio methods. These data and the contour map developed from them show that a thick layer of very saline to briny ground water (water that contains more than 10,000 milligrams per liter of dissolved solids) underlies the eastern two-thirds of San Juan County. The upper surface of this layer is affected by the geologic structure of the area, but it may be modified locally by recharge mounds of less saline water and by vertical leakage of water through transmissive faults and fractures. The highest altitude of the base of moderately saline water is west of the Abajo Mountains where it is more than 6,500 feet above sea level. The lowest altitude is in the western part of the county and is below sea level: depressions in the base of moderately saline water in recharge areas in the La Sal and Abajo Mountains also may be that low. The base of moderately saline water commonly is in the Permian Cutler Formation or the Pennsylvanian Honaker Trail Formation of the Hermosa Group, but locally may be as high stratigraphically as the Triassic (?) and Jurassic Navajo Sandstone north of the Abajo Mountains and in the Jurassic Morrison Formation south of the mountains.
","language":"English","publisher":"Utah Department of Natural Resources, Division of Water Rights","publisherLocation":"Salt Lake City, UT","collaboration":"Prepared by the United State Geological Survey in cooperation with the Utah Department of Natural Resources Division of Oil, Gas and Mining","usgsCitation":"Howells, L., 1990, Base of moderately saline ground water in San Juan County, Utah: Technical Publication 94, iv, 35.","productDescription":"iv, 35","numberOfPages":"40","costCenters":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"links":[{"id":332062,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":332061,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://waterrights.utah.gov/docSys/v920/w920/w92000ah.pdf"},{"id":332060,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.waterrights.utah.gov/cgi-bin/libview.exe?Modinfo=Viewpub&LIBNUM=20-6-360"}],"country":"United 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Juan\",\"state\":\"UT\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"585116bee4b08138bf1abd6a","contributors":{"authors":[{"text":"Howells, Lewis","contributorId":12081,"corporation":false,"usgs":true,"family":"Howells","given":"Lewis","affiliations":[],"preferred":false,"id":655820,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5223016,"text":"5223016 - 1990 - Surveying woodland raptors by broadcast of conspecific vocalizations","interactions":[],"lastModifiedDate":"2012-02-02T00:14:36","indexId":"5223016","displayToPublicDate":"2010-06-16T12:19:08","publicationYear":"1990","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2284,"text":"Journal of Field Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Surveying woodland raptors by broadcast of conspecific vocalizations","docAbstract":"We surveyed for raptors in forests on study areas in five of the eastern United States. For Cooper's Hawks (Accipiter cooperi), Red-shouldered Hawks (Buteo lineatus), and Barred Owls (Strix varia) the contact rates obtained by broadcasting taped vocalizations of conspecifics along roads were significantly greater than contact rates obtained by only looking and listening from the roadside. Broad-winged Hawks (B. platypterus) were detected only after their calls were broadcast. Most raptors were detected within 10 min of the beginning of the broadcasts. Red-tailed Hawks (B. jamaicensis) and Goshawks (A. gentilis) nested infrequently on our study areas, and we were unable to increase detections of these species. Generally, point count transects along woodland roads, from which conspecific vocalizations were broadcast, resulted in higher species specific detection rates than when walking, driving continuously, or only looking and listening for raptors at roadside stops.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Field Ornithology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Mosher, J.A., Fuller, M., and Kopeny, M., 1990, Surveying woodland raptors by broadcast of conspecific vocalizations: Journal of Field Ornithology, v. 61, no. 4, p. 453-461.","productDescription":"453-461","startPage":"453","endPage":"461","numberOfPages":"9","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":194364,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":17971,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://elibrary.unm.edu/sora/JFO/v061n04/p0453-p0461.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"61","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae1e4b07f02db688782","contributors":{"authors":[{"text":"Mosher, J. A.","contributorId":34605,"corporation":false,"usgs":false,"family":"Mosher","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":337683,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fuller, M.R.","contributorId":71278,"corporation":false,"usgs":true,"family":"Fuller","given":"M.R.","email":"","affiliations":[],"preferred":false,"id":337685,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kopeny, M.","contributorId":52288,"corporation":false,"usgs":true,"family":"Kopeny","given":"M.","email":"","affiliations":[],"preferred":false,"id":337684,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5222424,"text":"5222424 - 1990 - [Book review] Ospreys: A natural and unnatural history","interactions":[],"lastModifiedDate":"2017-05-11T16:38:08","indexId":"5222424","displayToPublicDate":"2010-06-16T12:18:11","publicationYear":"1990","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"[Book review] Ospreys: A natural and unnatural history","docAbstract":"The Osprey (Pandion haliaetus) is now arguably the world's best known bird of prey. The DDT-related Osprey population crash in the northeastern United States resulted in an unparalleled amount of research during the last 20 years. In 1969, when I published my first paper on Ospreys in The Auk, there were only three or four osprey papers of consequence in the United States, plus an important paper on Swedish Ospreys, which hardly compares to the nearly 300 papers (the great majority dealing with Ospreys) cited by Poole in his book. Based on his detailed investigations in eastern North America and the literature from throughout the world, Poole wrote a book with perfect timing. A synthesis of the massive literature on this species was needed, and judging from the bio- logical soundness, completeness, and clear writing style, Poole was the proper person to write the book. Of course it is one aim to prepare a synthesis but, in addition, Poole carefully points out potential biases in data, gaps in information, and needs for further research. The book is both informative, and points out research problems for the next generation of Osprey investigators.
","language":"English","publisher":"American Ornithological Society","doi":"10.2307/4088026","usgsCitation":"Henny, C.J., 1990, [Book review] Ospreys: A natural and unnatural history: The Auk, v. 107, no. 4, p. 808-809, https://doi.org/10.2307/4088026.","productDescription":"2 p.","startPage":"808","endPage":"809","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199632,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"107","issue":"4","publicComments":"Review of: Ospreys: A Natural and Unnatural History. Alan F. Poole. 1989. Cambridge, United Kingdom, Cambridge University Press. xviii + 246 pp., 92 text figures, 21 text tables, 10 appendices (figures and tables). ISBN 0-521-30623-X","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e47bde4b07f02db4a4288","contributors":{"authors":[{"text":"Henny, Charles J. 0000-0001-7474-350X hennyc@usgs.gov","orcid":"https://orcid.org/0000-0001-7474-350X","contributorId":3461,"corporation":false,"usgs":true,"family":"Henny","given":"Charles","email":"hennyc@usgs.gov","middleInitial":"J.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true}],"preferred":true,"id":336281,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5210483,"text":"5210483 - 1990 - Owls","interactions":[],"lastModifiedDate":"2012-02-02T00:15:16","indexId":"5210483","displayToPublicDate":"2009-06-09T09:23:17","publicationYear":"1990","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"seriesNumber":"14","title":"Owls","docAbstract":"Eight species of owls regularly occur and may breed in one or more of the southeastern states. Several additional northern or western species appear irregularly as accidentals or during years of southward incursions. In the Southeast, the most common and wide- spread owls are the common barn-owl, eastern screech-owl, great horned owl and barred owl; the most restricted is the burrowing owl. The long-eared, short-eared, and northern saw-whet owls are primarily winter visitors in this region, although small and very localized nesting populations of short-eared owls may occur in Virginia. Long-eared owls and northern saw-whet owls may occur in West Virginia and northern saw-whet owls may occur in the highlands of Tennessee and North Carolina. Several owls of the Southeast are Blue-listed as threatened, endangered, or of local concern, including the common barn-owl, eastern screech-owl, burrow'ing owl and short-eared owl. The nesting status of the long-eared owl and northern saw-whet owl are still poorly known. These two owls should be included on stat and regional lists of species of special concern. Important limiting factors for all owls of the Southeast include habitat loss and human related mortality. Management issues center on obtaining a data base useful in predicting the effects of current forest management practices on owl populations and encouraging use of forestry techniques that least impact owls. Research needs include initiating studies of all aspects of the life history and habitat relationships of each owl species.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the Southeast Raptor Management Symposium and Workshop. ","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"National Wildlife Federation.","usgsCitation":"Smith, D., Ellis, D.H., and Millsap, B., 1990, Owls, chap. of Proceedings of the Southeast Raptor Management Symposium and Workshop. , p. 89-117.","productDescription":"xii, 245","startPage":"89","endPage":"117","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":200626,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e47b1e4b07f02db49d32f","contributors":{"editors":[{"text":"Pendleton, Beth Giron","contributorId":111970,"corporation":false,"usgs":true,"family":"Pendleton","given":"Beth","email":"","middleInitial":"Giron","affiliations":[],"preferred":false,"id":506518,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Smith, D.G.","contributorId":49393,"corporation":false,"usgs":true,"family":"Smith","given":"D.G.","email":"","affiliations":[],"preferred":false,"id":328513,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ellis, D. H.","contributorId":79830,"corporation":false,"usgs":true,"family":"Ellis","given":"D.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":328514,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Millsap, B.A.","contributorId":30716,"corporation":false,"usgs":true,"family":"Millsap","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":328512,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70039527,"text":"70039527 - 1990 - The Loma Prieta earthquake of October 17, 1989 : a brief geologic view of what caused the Loma Prieta earthquake and implications for future California earthquakes: What happened ... what is expected ... what can be done.","interactions":[],"lastModifiedDate":"2012-08-11T01:01:51","indexId":"70039527","displayToPublicDate":"2008-01-15T15:10:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"The Loma Prieta earthquake of October 17, 1989 : a brief geologic view of what caused the Loma Prieta earthquake and implications for future California earthquakes: What happened ... what is expected ... what can be done.","docAbstract":"The San Andreas fault, in California, is the primary boundary between the North American plate and the Pacific plate. Land west of the fault has been moving northwestward relative to land on the east at an average rate of 2 inches per year for millions of years. This motion is not constant but occurs typically in sudden jumps during large earthquakes. This motion is relentless; therefore earthquakes in California are inevitable.","language":"English","publisher":"U.S. Government Printing Office","publisherLocation":"Washington, D.C.","doi":"10.3133/70039527","usgsCitation":"Ward, P.L., and Page, R.A., 1990, The Loma Prieta earthquake of October 17, 1989 : a brief geologic view of what caused the Loma Prieta earthquake and implications for future California earthquakes: What happened ... what is expected ... what can be done., 16 p., https://doi.org/10.3133/70039527.","productDescription":"16 p.","costCenters":[],"links":[{"id":261654,"rank":800,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70039527/report.pdf"},{"id":261655,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70039527/report-thumb.jpg"}],"country":"United States","state":"California","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -124.4,32.5 ], [ -124.4,42 ], [ -114.13333333333334,42 ], [ -114.13333333333334,32.5 ], [ -124.4,32.5 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba7b7e4b08c986b32175f","contributors":{"authors":[{"text":"Ward, Peter L.","contributorId":86324,"corporation":false,"usgs":true,"family":"Ward","given":"Peter","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":466426,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Page, Robert A.","contributorId":17207,"corporation":false,"usgs":true,"family":"Page","given":"Robert","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":466425,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70016315,"text":"70016315 - 1990 - Role of heat and detachment in continental extension as viewed from the eastern basin and range province in Arizona","interactions":[],"lastModifiedDate":"2025-08-20T15:04:57.5811","indexId":"70016315","displayToPublicDate":"2003-04-10T00:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Role of heat and detachment in continental extension as viewed from the eastern basin and range province in Arizona","docAbstract":"The Bill Williams River area of west-central Arizona includes not only the Rawhide-Buckskin metamorphic core complex, which is part of the lower Colorado River highly extended terrane (HET), but also the boundary between the extended terranes of the Basin and Range Province and the less deformed Arizona Transition Zone/Colorado Plateau. This provides important constraints on models that address the mechanisms for the mid- to late Tertiary deformation.
Three phases of extension are present. The oldest is the extension associated with core-complex tectonism, which characteristically shows a lower plate composed of lineated mylonitic gneiss overlain by a detachment fault that is regionally nearly horizontal but undulates at the local scale. The fault in turn is overlain by an upper plate that includes Precambrian basement rocks, recrystallized Paleozoic sedimentary rocks, Mesozoic(?) metasedimentary and metavolcanic rocks of greenschist facies, and unaltered to hydrothermally altered syntectonic sedimentary and volcanic rocks of Miocene age. The upper plate is cut by closely spaced faults of modest structural relief that strike northwest and strongly rotate intervening blocks to face southwest. Most of these faults do not penetrate below the detachment fault. Fault spacing increases, and rotation decreases, to the northeast, away from the trace of the detachment. The second phase consists of “classic” Basin-Range high-angle normal faults that strike about north and have wide spacing, high structural relief, and modest rotation of blocks. These faults have no consistent direction of displacement and so produced horst and graben that form the ranges and basins visible today. This phase is locally superposed on Phase I, and also extends in more subdued form into the Transition Zone/Colorado Plateau. The third phase consists of tectonic quiescence and is present everywhere except parts of the Transition Zone that are still active seismically.
The first phase occurred in the early and middle Miocene and was accompanied by deposition of syntectonic fluviolacustrine rocks (Suite I); the second (middle to late Miocene) was marked by interior-basin deposits (Suite II); the third (latest Miocene through Quaternary) is characterized by deposits related to through-flowing drainage.
The phases grade into each other and thus are likely to be genetically related. Tectonic models must take into account not only the geographic distribution of deformation at any one time but also the time-dependent succession of deformation at any one place. A model proposed in this paper attempts to do this.
The model is thermotectonic. A heating event in the lower crust, (basaltic intrusion, asthenospheric upwelling) combined with stretching, causes a sharp thermal front to rise within the crust. Embedded within the front is an “isotherm” that marks the brittle-ductile transition. As the front rises, it leaves behind a trail of shear zones, each marking a locus of preferred failure defined by mechanical or physical properties, or combinations thereof. The highest shear zone, now preserved in fossil form as the “detachment”, occurs where the front impinges on the meteoric groundwater, a few km below the topographic surface. The water steepens the thermal gradient at the front, which it stabilizes. A convective hydrothermal circulation system is established, causing alteration and mineralization above the ductile-brittle transition, as well as pore overpressure that results in hydrofracturing (producing monolithologic breccias) and the sliding of gravity-glide sheets. During these events, extension is taking place by brittle failure in the upper plate and ductile deformation below the detachment. Simultaneously, the hottest areas (core complexes) are updomed, promoting drainage reversals and the sliding of breccias and glide sheets. All this occurred only in the hottest areas or “blisters”, now marked by the core complexes. Distal areas showed less or no deformation at the surface. With time and the waning of the thermal event, the thermal front, and thus the brittle-ductile transition, smoothed out and sank, again leaving a trail of shear zones. Phase 1 deformation ceased and was replaced by Phase 2 deformation that occurred over a much wider area. Eventually, the front sank so deep that surface deformation ceased. This illustrates how the style of deformation at the surface may be a measure of the depth to the brittle-ductile transition.
According to the thermotectonic model, extensional strain does not need to be constant along the detachment, in contrast to models involving simple shear through crustal-scale normal faults. On the contrary, one would expect strain to vary geographically as a function of maximum temperature attained, because of the well known relation between temperature and lithospheric strength. The thermotectonic model is also in good accord with geophysical characteristics of the Basin and Range Province, which suggests that extension was accompanied by intrusion of basalt into the lower crust, with consequent heating and anatexis.
Many studies in the U.S. and elsewhere support the model by showing that continental extension commonly is accompanied by near-surface temperatures corresponding to the brittle-ductile transition, by steep thermal gradients, and by hydrothemal convective systems.
A possible driving mechanism from the thermotectonic processes described by the model is the rise of asthenospheric domes or welts, which thin the lithosphere by subcrustal transfer while heating and stretching it. An asthenospheric welt that migrates northeastward while dying out might explain the encroachment of relatively subdued extension onto the Colorado Plateau, as well as the juxtaposition of compressive stress on the plateau with extensional stress in the adjacent Transition Zone and Basin and Range Province.
","language":"English","publisher":"Elsevier","doi":"10.1016/0040-1951(90)90385-L","issn":"00401951","usgsCitation":"Lucchitta, I., 1990, Role of heat and detachment in continental extension as viewed from the eastern basin and range province in Arizona: Tectonophysics, v. 174, no. 1-2, p. 77-114, https://doi.org/10.1016/0040-1951(90)90385-L.","productDescription":"38 p.","startPage":"77","endPage":"114","costCenters":[],"links":[{"id":223417,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Arizona","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -114.11040219330253,\n 37.085662597227596\n ],\n [\n -114.10444816448911,\n 36.30512842639031\n ],\n [\n -114.8573799166903,\n 36.02538022975845\n ],\n [\n -114.71636098248497,\n 33.24395951089163\n ],\n [\n -114.79917492635654,\n 32.476304116176465\n ],\n [\n -111.10574232896127,\n 31.364458671785457\n ],\n [\n -109.03791293413464,\n 31.30894766509266\n ],\n [\n -109.03791293413464,\n 37.085662597227596\n ],\n [\n -114.11040219330253,\n 37.085662597227596\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"174","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aae53e4b0c8380cd8708c","contributors":{"authors":[{"text":"Lucchitta, Ivo","contributorId":94291,"corporation":false,"usgs":true,"family":"Lucchitta","given":"Ivo","email":"","affiliations":[],"preferred":false,"id":373162,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":60323,"text":"mf2138F - 1990 - Map showing the distribution of molybdenum in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:24:36.991604","indexId":"mf2138F","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"F","title":"Map showing the distribution of molybdenum in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of molybdenum in the less-than-0.180-mm (minus-80-mesh) fraction of stream-sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138F","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing the distribution of molybdenum in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 40.80 x 23.60 inches, https://doi.org/10.3133/mf2138F.","productDescription":"1 Plate: 40.80 x 23.60 inches","costCenters":[],"links":[{"id":180196,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138f.jpg"},{"id":390777,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5747.htm"},{"id":283675,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-F/plate-1.pdf"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660f25","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263526,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263525,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263527,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60324,"text":"mf2138G - 1990 - Map showing the distribution of silver in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:26:48.684931","indexId":"mf2138G","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"G","title":"Map showing the distribution of silver in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of silver in the less-than-0.180-mm (minus-80-mesh) fraction of stream-sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138G","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing the distribution of silver in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 40.36 x 24.79 inches, https://doi.org/10.3133/mf2138G.","productDescription":"1 Plate: 40.36 x 24.79 inches","costCenters":[],"links":[{"id":180197,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138g.jpg"},{"id":283676,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-G/plate-1.pdf"},{"id":390778,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5748.htm"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660f8c","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263529,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263528,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263530,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60319,"text":"mf2137A - 1990 - Map showing distribution of cadmium and antimony in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:06:39.308534","indexId":"mf2137A","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2137","chapter":"A","title":"Map showing distribution of cadmium and antimony in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of cadmium and antimony in the nonmagnetic fraction of drainage-sediment samples. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2137A","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing distribution of cadmium and antimony in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2137, 1 Plate: 41.94 x 24.29 inches, https://doi.org/10.3133/mf2137A.","productDescription":"1 Plate: 41.94 x 24.29 inches","costCenters":[],"links":[{"id":179883,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2137a.jpg"},{"id":390771,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5740.htm"},{"id":283665,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2137-A/plate-1.pdf"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660ec7","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263514,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263513,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263515,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60321,"text":"mf2138D - 1990 - Map showing distribution of gold in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:20:07.170313","indexId":"mf2138D","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"D","title":"Map showing distribution of gold in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of gold in the less-than-0.180-mm (minus-80-mesh) fraction of stream sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the Selected References of this report.
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138D","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J.B., 1990, Map showing distribution of gold in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.29 x 24.79 inches, https://doi.org/10.3133/mf2138D.","productDescription":"1 Plate: 41.29 x 24.79 inches","costCenters":[],"links":[{"id":180138,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138d.jpg"},{"id":283673,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-D/plate-1.pdf"},{"id":390773,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5745.htm"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660eef","contributors":{"authors":[{"text":"Miller, W. R.","contributorId":92239,"corporation":false,"usgs":true,"family":"Miller","given":"W.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263521,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, J. M.","contributorId":8834,"corporation":false,"usgs":true,"family":"Motooka","given":"J.","middleInitial":"M.","affiliations":[],"preferred":false,"id":263519,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, J. B.","contributorId":79462,"corporation":false,"usgs":true,"family":"McHugh","given":"J.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":263520,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60329,"text":"mf2138K - 1990 - Map showing the distribution of zinc in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:33:24.270453","indexId":"mf2138K","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"K","title":"Map showing the distribution of zinc in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of zinc in the less-than-0.180-mm (minus-80-mesh) fraction of stream-sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138K","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing the distribution of zinc in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.01 x 23.76 inches, https://doi.org/10.3133/mf2138K.","productDescription":"1 Plate: 41.01 x 23.76 inches","costCenters":[],"links":[{"id":179744,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138k.jpg"},{"id":283680,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-K/plate-1.pdf"},{"id":390782,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5752.htm"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db661022","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263544,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263543,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263545,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60322,"text":"mf2138E - 1990 - Map showing the distribution of molybdenum in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:22:35.435888","indexId":"mf2138E","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"E","title":"Map showing the distribution of molybdenum in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of lead in the less-than-0.180-mm (minus-80-mesh) fraction of stream sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138E","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing the distribution of molybdenum in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.31 x 23.35 inches, https://doi.org/10.3133/mf2138E.","productDescription":"1 Plate: 41.31 x 23.35 inches","costCenters":[],"links":[{"id":180139,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138e.jpg"},{"id":390776,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5746.htm"},{"id":283674,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-E/plate-1.pdf"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660f03","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263523,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263522,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263524,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60327,"text":"mf2138I - 1990 - Map showing the distribution of tin in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:30:07.677904","indexId":"mf2138I","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"I","title":"Map showing the distribution of tin in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of tin in the less-than-0.180-mm (minus-80-mesh) fraction of stream-sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138I","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing the distribution of tin in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.05 x 24.15 inches, https://doi.org/10.3133/mf2138I.","productDescription":"1 Plate: 41.05 x 24.15 inches","costCenters":[],"links":[{"id":180200,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138i.jpg"},{"id":283678,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-I/plate-1.pdf"},{"id":390780,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5750.htm"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660fe5","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263538,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263537,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263539,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60317,"text":"mf2138A - 1990 - Map showing distribution of barium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:02:18.85479","indexId":"mf2138A","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"A","title":"Map showing distribution of barium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle shows the regional distribution of barium in the less-than-0.180-mm (minus-80-mesh) fraction of stream sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138A","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing distribution of barium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.85 x 24.52 inches, https://doi.org/10.3133/mf2138A.","productDescription":"1 Plate: 41.85 x 24.52 inches","costCenters":[],"links":[{"id":390769,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5742.htm"},{"id":283670,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-A/plate-1.pdf"},{"id":179827,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138a.jpg"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660eaa","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263508,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263507,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263509,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60325,"text":"mf2137B - 1990 - Map showing distribution of silver in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-09-15T21:48:54.917916","indexId":"mf2137B","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2137","chapter":"B","title":"Map showing distribution of silver in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of silver in the nonmagnetic fraction of heavy-mineral concentrates of drainage-sediment samples. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2137B","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing distribution of silver in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2137, 1 Plate: 40.84 x 25.08 inches, https://doi.org/10.3133/mf2137B.","productDescription":"1 Plate: 40.84 x 25.08 inches","costCenters":[],"links":[{"id":180198,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2137b.jpg"},{"id":283666,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2137-B/plate-1.pdf"},{"id":389315,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5741.htm"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660f9b","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263532,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263531,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263533,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60326,"text":"mf2138H - 1990 - Map showing the distribution of thorium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:28:21.963488","indexId":"mf2138H","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"H","title":"Map showing the distribution of thorium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of thorium in the less-than-0.180-mm (minus-80-mesh) fraction of stream-sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138H","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing the distribution of thorium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.84 x 24.31 inches, https://doi.org/10.3133/mf2138H.","productDescription":"1 Plate: 41.84 x 24.31 inches","costCenters":[],"links":[{"id":180199,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138h.jpg"},{"id":283677,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-H/plate-1.pdf"},{"id":390779,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5749.htm"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1be4b07f02db6a91c7","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263535,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263534,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263536,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60320,"text":"mf2138C - 1990 - Map showing distribution of copper in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:12:09.45464","indexId":"mf2138C","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"C","title":"Map showing distribution of copper in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle shows the regional distribution of copper in the less-than-0.180-mm (minus-80-mesh) fraction of stream sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138C","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J.B., 1990, Map showing distribution of copper in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.45 x 23.99 inches, https://doi.org/10.3133/mf2138C.","productDescription":"1 Plate: 41.45 x 23.99 inches","costCenters":[],"links":[{"id":180137,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138c.jpg"},{"id":390772,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5744.htm"},{"id":283672,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-C/plate-1.pdf"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114,\n 38\n ],\n [\n -112,\n 38\n ],\n [\n -112,\n 39\n ],\n [\n -114,\n 39\n ],\n [\n -114,\n 38\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660ed3","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":511902,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":511901,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John. B.","contributorId":116059,"corporation":false,"usgs":true,"family":"McHugh","given":"John.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":511903,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60328,"text":"mf2138J - 1990 - Map showing the distribution of uranium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:31:49.5809","indexId":"mf2138J","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"J","title":"Map showing the distribution of uranium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle, Utah, shows the regional distribution of uranium in the less-than-0.180-mm (minus-80-mesh) fraction of stream-sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138J","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing the distribution of uranium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.42 x 24.39 inches, https://doi.org/10.3133/mf2138J.","productDescription":"1 Plate: 41.42 x 24.39 inches","costCenters":[],"links":[{"id":180201,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138j.jpg"},{"id":390781,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5751.htm"},{"id":283679,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-J/plate-1.pdf"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db661017","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263541,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263540,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263542,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":60318,"text":"mf2138B - 1990 - Map showing distribution of bismuth and cadmium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","interactions":[],"lastModifiedDate":"2021-10-21T20:07:13.342115","indexId":"mf2138B","displayToPublicDate":"1994-01-01T07:00:00","publicationYear":"1990","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2138","chapter":"B","title":"Map showing distribution of bismuth and cadmium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah","docAbstract":"This map of the Richfield 1° x 2° quadrangle shows the regional distribution of bismuth and cadimum in the less-than-0.180-mm (minus-80-mesh) fraction of stream sediments. It is part of a folio of maps of the Richfield 1° x 2° quadrangle, Utah, prepared under the Conterminuous United States Mineral Assessment Program. Other published geochemical maps in this folio are listed in the references (this publication).
\nThe Richfield quadrangle is located in west-central Utah and includes the eastern part of the Pioche-Marysvale igneous and mineral belt, which extends from the vicinity of Pioche in southeastern Nevada, east-northeastward for 155 miles into central Utah. The western two-thirds of the Richfield quadrangle is part of the Basin and Range province, whereas the eastern third is part of the High Plateaus of Utah, a subprovince of the Colorado Plateau.
\nBedrock in the northern part of the Richfield quadrangle consists predominantly of Late Proterozoic and Paleozoic sedimentary strata that were thrust eastward during the Sevier orogeny in Cretaceous time onto an autochthon of Mesozoic sedimentary rocks located in the eastern part of the quadrangle. The southern part of the quadrangle is largely underlain by Oligocene and younger volcanic rocks and related intrusions. Extensional tectonism in late Cenozoic time broke the bedrock terrain into a series of north-trending fault blocks; the uplifted mountain areas were eroded to various degrees and the resulting debris was deposited in adjacent basins. Most of the mineral deposits in the Pioche-Marysvale mineral belt were formed as a result of igneous activity in the middle and late Cenozoic time. A more complete description of the geology and a mineral-resource appraisal of the Richfield quadrangle appears in Steven and Morris (1984 and 1987).
\nThe regional sampling program was designed to define broad geochemical patterns and trends that can be utilized along with geological and geophysical data to assess the mineral-resource potential for this quadrangle. Reconnaissance geochemical surveys are valuable tools in mineral exploration, especially when used in conjunction with data obtained from other earth science disciplines. Identifying specific exploration targets generally involves additional, more detailed investigations.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2138B","usgsCitation":"Miller, W.R., Motooka, J.M., and McHugh, J., 1990, Map showing distribution of bismuth and cadmium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah: U.S. Geological Survey Miscellaneous Field Studies Map 2138, 1 Plate: 41.45 x 23.93 inches, https://doi.org/10.3133/mf2138B.","productDescription":"1 Plate: 41.45 x 23.93 inches","costCenters":[],"links":[{"id":179828,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf2138b.jpg"},{"id":283671,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/2138-B/plate-1.pdf"},{"id":390770,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5743.htm"}],"scale":"250000","country":"United States","state":"Utah","otherGeospatial":"Richfield 1° x 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,38.0 ], [ -114.0,39.0 ], [ -112.0,39.0 ], [ -112.0,38.0 ], [ -114.0,38.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660eb0","contributors":{"authors":[{"text":"Miller, William R.","contributorId":53838,"corporation":false,"usgs":true,"family":"Miller","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":263511,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Motooka, Jerry M.","contributorId":36611,"corporation":false,"usgs":true,"family":"Motooka","given":"Jerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":263510,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McHugh, John B.","contributorId":64651,"corporation":false,"usgs":true,"family":"McHugh","given":"John B.","affiliations":[],"preferred":false,"id":263512,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ]}