{"pageNumber":"5060","pageRowStart":"126475","pageSize":"25","recordCount":165579,"records":[{"id":70012314,"text":"70012314 - 1980 - Arctic sea-ice variations from time-lapse passive microwave imagery","interactions":[],"lastModifiedDate":"2012-03-12T17:19:07","indexId":"70012314","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1072,"text":"Boundary-Layer Meteorology","active":true,"publicationSubtype":{"id":10}},"title":"Arctic sea-ice variations from time-lapse passive microwave imagery","docAbstract":"This paper presents: (1) a short historical review of the passive microwave research on sea ice which established the observational and theoretical base permitting the interpretation of the first passive microwave images of Earth obtained by the Nimbus-5 ESMR; (2) the construction of a time-lapse motion picture film of a 16-month set of serial ESMR images to aid in the formidable data analysis task; and (3) a few of the most significant findings resulting from an early analysis of these data, using selected ESMR images to illustrate these findings. ?? 1980 D. Reidel Publishing Co.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Boundary-Layer Meteorology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisherLocation":"Kluwer Academic Publishers","doi":"10.1007/BF00117913","issn":"00068314","usgsCitation":"Campbell, W.J., Ramseier, R., Zwally, H., and Gloersen, P., 1980, Arctic sea-ice variations from time-lapse passive microwave imagery: Boundary-Layer Meteorology, v. 18, no. 1, p. 99-106, https://doi.org/10.1007/BF00117913.","startPage":"99","endPage":"106","numberOfPages":"8","costCenters":[],"links":[{"id":205168,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF00117913"},{"id":221940,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"18","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ed56e4b0c8380cd4974a","contributors":{"authors":[{"text":"Campbell, W. J.","contributorId":8614,"corporation":false,"usgs":true,"family":"Campbell","given":"W.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":363251,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ramseier, R.O.","contributorId":98039,"corporation":false,"usgs":true,"family":"Ramseier","given":"R.O.","email":"","affiliations":[],"preferred":false,"id":363254,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zwally, H.J.","contributorId":33847,"corporation":false,"usgs":true,"family":"Zwally","given":"H.J.","email":"","affiliations":[],"preferred":false,"id":363252,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gloersen, P.","contributorId":55961,"corporation":false,"usgs":true,"family":"Gloersen","given":"P.","affiliations":[],"preferred":false,"id":363253,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70012111,"text":"70012111 - 1980 - Crystallization history of Kilauea Iki lava lake as seen in drill core recovered in 1967-1979","interactions":[],"lastModifiedDate":"2012-03-12T17:19:05","indexId":"70012111","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1093,"text":"Bulletin Volcanologique","active":true,"publicationSubtype":{"id":10}},"title":"Crystallization history of Kilauea Iki lava lake as seen in drill core recovered in 1967-1979","docAbstract":"Kilauea Iki lava lake formed during the 1959 summit eruption, one of the most picritic eruptions of Kilauea Volcano in the twentieth century. Since 1959 the 110 to 122 m thick lake has cooled slowly, developing steadily thickening upper and lower crusts, with a lens of more molten lava in between. Recent coring dates, with maximum depths reached in the center of the lake, are: 1967 (26.5 m). 1975 (44.2 m), 1976 (46.0 m) and 1979 (52.7 m). These depths define the base of the upper crust at the time of drilling. The bulk of the core consists of a gray, olivine-phyric basalt matrix, which locally contains coarser-grained diabasic segregation veins. The most important megascopic variation in the matrix rock is its variation in olivine content. The upper 15 m of crust is very olivine-rich. Abundance and average size of olivine decrease irregularly downward to 23 m; between 23 and 40 m the rock contains 5-10% of small olivine phenocrysts. Below 40 m. olivine content and average grainsize rise sharply. Olivine contents remain high (20-45%, by volume) throughout the lower crust, except for a narrow (< 6 m) olivine depleted zone near the basalt contact. Petrographically the olivine phenocrysts in Kilauea Iki can be divided into two types. Type 1 phenocrysts are large (1-12 mm long), with irregular blocky outlines, and often contain kink bands. Type 2 crystals are relatively small (0.5-2 mm in length), euhedral and undeformed. The variations in olivine content of the matrix rock are almost entirely variations in the amount of type 1 olivines. Sharp mineral layering of any sort is rare in Kilauea Iki. However, the depth range 41-52 m is marked by the frequent occurrence of steeply dipping (70??-90??) bands or bodies of slightly vuggy olivine-rich rock locally capped with a small cupola of segregation-vein material. In thin section there is clear evidence for relative movement of melt and crystals within these structures. The segregation veins occur only in the upper crust. The most widely distributed (occurring from 4.5-59.4 m) are thin veins (most < 5 cm thick), which cut the core at moderate angles and appear to have been derived from the immediately adjacent wall-rock by filter pressing. There is also a series of thicker (0.1-1.5 m) segregation veins, which recur every 2-3 m, between 20 and 52 m. These have subhorizontal contacts and appear, from similarities in thickness and spacing, to correlate between drill holes as much as 100 m apart. These large veins are not derived from the adjacent wallrock: their mechanism of formation is still problematical. The total thickness of segregation veins in Kilauea Iki is 3-6 m in the central part of the lake, corresponding to 6-11% of the upper crust. Whole-rock compositions for Kilauea Iki fall into two groups: the matrix rock ranges from 20-7.5% MgO, while the segregation veins all contain between 6.0 and 4.5% MgO. There are no whole-rock compositions of intermediate MgO content. Samples from < 12 m show eruption-controlled chemistry. Below that depth, matrix rock compositions have higher Al2O3, TiO2 and alkalies, and lower CaO and FeO, at a given MgO content than do the eruption pumices. The probable causes of this are assimilation of low-melting components from foundered crust, plus removal of olivine, plus removal of minor augite, for rocks with MgO contents of < 8.0%. Given the observed rate of growth of the upper crust, one can infer that significant removal of the type 1 olivine phenocrysts from the upper part of the lake began in 1963 and ceased sometime prior to 1972. The process. probably gravitative settling, appears to have been inhibited earlier by gas streaming from the lower part of the lens of melt. The olivine cumulate zone, which extends into the upper crust, contains relatively few (25-40%) olivine crystals, few of which actually touch each other. The diffuseness of the cumulate zone raises the possibility that the crystals were coated with a relatively visous boundary layer","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin Volcanologique","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisherLocation":"Springer-Verlag","doi":"10.1007/BF02600365","issn":"0366483X","usgsCitation":"Helz, R., 1980, Crystallization history of Kilauea Iki lava lake as seen in drill core recovered in 1967-1979: Bulletin Volcanologique, v. 43, no. 4, p. 675-701, https://doi.org/10.1007/BF02600365.","startPage":"675","endPage":"701","numberOfPages":"27","costCenters":[],"links":[{"id":205176,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF02600365"},{"id":221991,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"43","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fd01e4b0c8380cd4e590","contributors":{"authors":[{"text":"Helz, Rosalind Tuthill 0000-0003-1550-0684","orcid":"https://orcid.org/0000-0003-1550-0684","contributorId":16806,"corporation":false,"usgs":true,"family":"Helz","given":"Rosalind Tuthill","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":362758,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012189,"text":"70012189 - 1980 - Leg 67: the Deep Sea Drilling Project Mid-America Trench transect off Guatemala.","interactions":[],"lastModifiedDate":"2018-01-08T12:53:33","indexId":"70012189","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1786,"text":"Geological Society of America Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Leg 67: the Deep Sea Drilling Project Mid-America Trench transect off Guatemala.","docAbstract":"Drilling on the Cocos plate recovered a basal chalk sequence deposited during early and mid-Miocene time, a short interval of abyssal red clay, and an upper sequence of late Miocene and younger sediment deposited within an area influenced by a terrigenous source. In the trench, a mud and sand fill less than 400,000 yr old overlies the oceanic sequence. The entire section shows no evidence of compressive deformation. In contrast, the section cored on the trench's landward slope 3 km from the trench axis is affected by tectonism. The section contains a Cretaceous to Pliocene claystone sequence capped by Pliocene to Quaternary hemipelagic slope deposits.- from Authors","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geological Society of America Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1980)91<421:LTDSDP>2.0.CO;2","usgsCitation":"von Huene, R.E., 1980, Leg 67: the Deep Sea Drilling Project Mid-America Trench transect off Guatemala.: Geological Society of America Bulletin, v. 91, no. 7 pt 1, p. 421-432, https://doi.org/10.1130/0016-7606(1980)91<421:LTDSDP>2.0.CO;2.","startPage":"421","endPage":"432","numberOfPages":"12","costCenters":[],"links":[{"id":222060,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":268124,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/0016-7606(1980)91<421:LTDSDP>2.0.CO;2"}],"volume":"91","issue":"7 pt 1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a463be4b0c8380cd675d2","contributors":{"authors":[{"text":"von Huene, Roland E. 0000-0003-1301-3866 rvonhuene@usgs.gov","orcid":"https://orcid.org/0000-0003-1301-3866","contributorId":191070,"corporation":false,"usgs":true,"family":"von Huene","given":"Roland","email":"rvonhuene@usgs.gov","middleInitial":"E.","affiliations":[{"id":7065,"text":"USGS emeritus","active":true,"usgs":false},{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":false,"id":362958,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012318,"text":"70012318 - 1980 - Debris-flow deposits of Early Miocene age, Deadman Stream, Marlborough, New Zealand.","interactions":[],"lastModifiedDate":"2012-03-12T17:19:06","indexId":"70012318","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3368,"text":"Sedimentary Geology","active":true,"publicationSubtype":{"id":10}},"title":"Debris-flow deposits of Early Miocene age, Deadman Stream, Marlborough, New Zealand.","docAbstract":"Detailed analysis is presented of a conformable succession of conglomerates and sandstones lying between massive marine mudstones. The coarse sediments reflect deposition by a spectrum of subaqueous debris-flow mechanisms during an early pulse of tectonism that ultimately resulted in Plio-Pleistocene eversion of the Kaikoura Mountains. Sparse pebbly mudstones and rare sandy conglomerates show disoriented clasts and reflect high-viscosity flows and slurry- creep flow mechanisms. Other deposits have little mud matrix, hence appear to reflect low-viscosity flow processes. Common sorted sandstones and some conglomeratic sandstones show diffuse parallel lamination. Other conglomeratic sandstones show trough cross-bedding which we attribute to entrained bedload movement during intersurge episodes of debris flow. - from Authors","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Sedimentary Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/0037-0738(80)90032-9","issn":"00370738","usgsCitation":"Lewis, D., Laird, M., and Powell, R., 1980, Debris-flow deposits of Early Miocene age, Deadman Stream, Marlborough, New Zealand.: Sedimentary Geology, v. 27, no. 2, p. 83-118, https://doi.org/10.1016/0037-0738(80)90032-9.","startPage":"83","endPage":"118","numberOfPages":"36","costCenters":[],"links":[{"id":205179,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/0037-0738(80)90032-9"},{"id":222006,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"27","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fdf7e4b0c8380cd4ea36","contributors":{"authors":[{"text":"Lewis, D.W.","contributorId":49108,"corporation":false,"usgs":true,"family":"Lewis","given":"D.W.","email":"","affiliations":[],"preferred":false,"id":363267,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Laird, M.G.","contributorId":34264,"corporation":false,"usgs":true,"family":"Laird","given":"M.G.","email":"","affiliations":[],"preferred":false,"id":363266,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Powell, R.D.","contributorId":74015,"corporation":false,"usgs":true,"family":"Powell","given":"R.D.","email":"","affiliations":[],"preferred":false,"id":363268,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70012319,"text":"70012319 - 1980 - Late Wisconsin and Holocene tectonic stability of the United States mid-Atlantic coastal region","interactions":[],"lastModifiedDate":"2024-02-01T22:55:38.762234","indexId":"70012319","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"Late Wisconsin and Holocene tectonic stability of the United States mid-Atlantic coastal region","docAbstract":"<div id=\"15739272\" class=\"article-section-wrapper js-article-section js-content-section  \" data-section-parent-id=\"0\"><p>Deposits that formed in the intertidal zone during sea-level rise 12,000 to 9,000 yr ago have undergone very little differential vertical deformation in the area between New York City and South Carolina. The lack of north-south vertical deformation contrasts with tide-gauge and with precise leveling measurements that have been used to indicate that considerable differential vertical movement is occurring along the coast. Probably, present rates of deformation cannot be extrapolated to early Holocene. Depths of dated in-place intertidal deposits and estimates that suggest the U.S. mid-Atlantic shelf was downwarped during Holocene glacio-isostatic adjustment are used to indicate that eustatic sea levels were not substantially below 30 m depth about 12,000 yr B.P.</p></div>","language":"English","publisher":"Geological Society of America","doi":"10.1130/0091-7613(1980)8<534:LWAHTS>2.0.CO;2","issn":"00917613","usgsCitation":"Blackwelder, B.W., 1980, Late Wisconsin and Holocene tectonic stability of the United States mid-Atlantic coastal region: Geology, v. 8, no. 11, p. 534-537, https://doi.org/10.1130/0091-7613(1980)8<534:LWAHTS>2.0.CO;2.","productDescription":"4 p.","startPage":"534","endPage":"537","numberOfPages":"4","costCenters":[],"links":[{"id":222007,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","issue":"11","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4540e4b0c8380cd67170","contributors":{"authors":[{"text":"Blackwelder, B. W.","contributorId":104136,"corporation":false,"usgs":true,"family":"Blackwelder","given":"B.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":363269,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012329,"text":"70012329 - 1980 - Rate of mercury loss from contaminated estuarine sediments","interactions":[],"lastModifiedDate":"2017-12-14T16:35:31","indexId":"70012329","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Rate of mercury loss from contaminated estuarine sediments","docAbstract":"<p>The concentration of mercury in contaminated estuarine sediments of Bellingham Bay, Washington was found to decrease with a half-time of about 1.3 yr after the primary anthropogenic source of mercury was removed. <i>In situ</i> measurements of the mercury flux from sediments, in both dissolved and volatile forms, could not account for this decrease. This result suggests that the removal of mercury is associated with sediment particles transported out of the study area. This decrease was modeled using a steady-state mixing model.</p><p>Mercury concentrations in anoxic interstitial waters reached 3.5 μg/l, 126 times higher than observed in the overlying seawater. Mercury fluxes from these sediments ranged from 1.2 to 2.8 × 10<sup>−5</sup> ng/cm<sup>2</sup>/sec, all in a soluble form. In general, higher Hg fluxes were associated with low oxygen or reducing conditions in the overlying seawater. In contrast, no flux was measurable from oxidizing interstitial water having mercury concentrations of 0.01-0.06 μ/l.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/0016-7037(80)90137-4","issn":"00167037","usgsCitation":"Bothner, M., Jahnke, R., Peterson, M.L., and Carpenter, R., 1980, Rate of mercury loss from contaminated estuarine sediments: Geochimica et Cosmochimica Acta, v. 44, no. 2, p. 273-285, https://doi.org/10.1016/0016-7037(80)90137-4.","productDescription":"13 p.","startPage":"273","endPage":"285","costCenters":[],"links":[{"id":222132,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a9537e4b0c8380cd81892","contributors":{"authors":[{"text":"Bothner, Michael H. mbothner@usgs.gov","contributorId":139855,"corporation":false,"usgs":true,"family":"Bothner","given":"Michael H.","email":"mbothner@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":363292,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jahnke, R.A.","contributorId":33060,"corporation":false,"usgs":true,"family":"Jahnke","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":363290,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Peterson, M. L.","contributorId":49930,"corporation":false,"usgs":false,"family":"Peterson","given":"M.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":363291,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Carpenter, R.","contributorId":94793,"corporation":false,"usgs":true,"family":"Carpenter","given":"R.","affiliations":[],"preferred":false,"id":363293,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70012330,"text":"70012330 - 1980 - Computational methods for inverse problems in geophysics: Inversion of travel time observations","interactions":[],"lastModifiedDate":"2020-03-20T06:55:43","indexId":"70012330","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3071,"text":"Physics of the Earth and Planetary Interiors","active":true,"publicationSubtype":{"id":10}},"title":"Computational methods for inverse problems in geophysics: Inversion of travel time observations","docAbstract":"<p>General ways of solving various inverse problems are studied for given travel time observations between sources and receivers. These problems are separated into three components: (a) the representation of the unknown quantities appearing in the model; (b) the nonlinear least-squares problem; (c) the direct, two-point ray-tracing problem used to compute travel time once the model parameters are given. Novel software is described for (b) and (c), and some ideas given on (a). Numerical results obtained with artificial data and an implementation of the algorithm are also presented.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/0031-9201(80)90063-1","issn":"00319201","usgsCitation":"Pereyra, V., Keller, H., and Lee, W., 1980, Computational methods for inverse problems in geophysics: Inversion of travel time observations: Physics of the Earth and Planetary Interiors, v. 21, no. 2-3, p. 120-125, https://doi.org/10.1016/0031-9201(80)90063-1.","productDescription":"6 p.","startPage":"120","endPage":"125","numberOfPages":"6","costCenters":[],"links":[{"id":222133,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"2-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f951e4b0c8380cd4d570","contributors":{"authors":[{"text":"Pereyra, V.","contributorId":72932,"corporation":false,"usgs":true,"family":"Pereyra","given":"V.","affiliations":[],"preferred":false,"id":363296,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keller, H.B.","contributorId":71697,"corporation":false,"usgs":true,"family":"Keller","given":"H.B.","email":"","affiliations":[],"preferred":false,"id":363295,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lee, W.H.K.","contributorId":35303,"corporation":false,"usgs":true,"family":"Lee","given":"W.H.K.","affiliations":[],"preferred":false,"id":363294,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70012331,"text":"70012331 - 1980 - Gas and hydrogen isotopic analyses of volcanic eruption clouds in Guatemala sampled by aircraft","interactions":[],"lastModifiedDate":"2012-03-12T17:19:02","indexId":"70012331","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2499,"text":"Journal of Volcanology and Geothermal Research","active":true,"publicationSubtype":{"id":10}},"title":"Gas and hydrogen isotopic analyses of volcanic eruption clouds in Guatemala sampled by aircraft","docAbstract":"Gas samples were collected by aircraft entering volcanic eruption clouds of three Guatemalan volcanoes. Gas chromatographic analyses show higher H2 and S gas contents in ash eruption clouds and lower H2 and S gases in vaporous gas plumes. H isotopic data demonstrate lighter isotopic distribution of water vapor in ash eruption clouds than in vaporous gas plumes. Most of the H2O in the vaporous plumes is probably meteoric. The data are the first direct gas analyses of explosive eruptive clouds, and demonstrate that, in spite of atmospheric admixture, useful compositional information on eruptive gases can be obtained using aircraft. ?? 1980.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Volcanology and Geothermal Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"03770273","usgsCitation":"Rose, W., Cadle, R., Heidt, L., Friedman, I., Lazrus, A., and Huebert, B., 1980, Gas and hydrogen isotopic analyses of volcanic eruption clouds in Guatemala sampled by aircraft: Journal of Volcanology and Geothermal Research, v. 7, no. 1-2, p. 1-10.","startPage":"1","endPage":"10","numberOfPages":"10","costCenters":[],"links":[{"id":222190,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a14bfe4b0c8380cd54b4b","contributors":{"authors":[{"text":"Rose, W.I. Jr.","contributorId":25275,"corporation":false,"usgs":true,"family":"Rose","given":"W.I.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":363298,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cadle, R.D.","contributorId":64804,"corporation":false,"usgs":true,"family":"Cadle","given":"R.D.","email":"","affiliations":[],"preferred":false,"id":363300,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Heidt, L.E.","contributorId":61168,"corporation":false,"usgs":true,"family":"Heidt","given":"L.E.","email":"","affiliations":[],"preferred":false,"id":363299,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Friedman, I.","contributorId":95596,"corporation":false,"usgs":true,"family":"Friedman","given":"I.","email":"","affiliations":[],"preferred":false,"id":363302,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lazrus, A.L.","contributorId":92426,"corporation":false,"usgs":true,"family":"Lazrus","given":"A.L.","email":"","affiliations":[],"preferred":false,"id":363301,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Huebert, B.J.","contributorId":6189,"corporation":false,"usgs":true,"family":"Huebert","given":"B.J.","email":"","affiliations":[],"preferred":false,"id":363297,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70012332,"text":"70012332 - 1980 - Secular, annual, and semiannual changes in the baseline level of the earth's magnetic field at North American locations","interactions":[],"lastModifiedDate":"2024-07-16T16:48:01.322768","indexId":"70012332","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":6453,"text":"Journal of Geophysical Research Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Secular, annual, and semiannual changes in the baseline level of the earth's magnetic field at North American locations","docAbstract":"<p><span>Secular, annual, and semiannual changes were obtained from the midnight values of field on specially determined days of quiet magnetospheric conditions. From a selection of North American observatories the latitude variation of these changes was evaluated from 20° to 65°. Results for the active and quiet sun years (1958 and 1965) were compared, and changes at Tucson were traced from 1958 through 1974. The year-to-year variance in the determination of a secular change seemed to be decreased by the present analysis method in comparison to a method which uses the annual mean of hourly values. The annual horizontal field variations were largely northward in early summer and southward in early winter; quiet year amplitudes of 2 to 3 γ about doubled in the solar active year. The amplitudes of the semiannual field vectors were about one half that of the annual vectors; the directions were apparently inconsistent from year to year.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB085iB11p06557","issn":"01480227","usgsCitation":"Campbell, W., 1980, Secular, annual, and semiannual changes in the baseline level of the earth's magnetic field at North American locations: Journal of Geophysical Research Solid Earth, v. 85, no. B11, p. 6557-6571, https://doi.org/10.1029/JB085iB11p06557.","productDescription":"15 p.","startPage":"6557","endPage":"6571","numberOfPages":"15","costCenters":[],"links":[{"id":222191,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"85","issue":"B11","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"505b8944e4b08c986b316d80","contributors":{"authors":[{"text":"Campbell, W.H.","contributorId":30749,"corporation":false,"usgs":true,"family":"Campbell","given":"W.H.","email":"","affiliations":[],"preferred":false,"id":363303,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012353,"text":"70012353 - 1980 - Use of altered volcanic ash falls in stratigraphic studies of coal-bearing sequences: an example from the Upper Cretaceous Ferron Sandstone Member of the Mancos Shale in central Utah.","interactions":[],"lastModifiedDate":"2013-02-24T11:49:03","indexId":"70012353","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1786,"text":"Geological Society of America Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Use of altered volcanic ash falls in stratigraphic studies of coal-bearing sequences: an example from the Upper Cretaceous Ferron Sandstone Member of the Mancos Shale in central Utah.","docAbstract":"The Ferron consists of 5 delta cycles, each of which includes one coal zone which contains at least one, and usually several, laterally persistent kaolinitic claystone partings. Laboratory study of the partings demonstrates that they represent altered volcanic ash falls. These partings have proven particularly useful in reconstructing the depositional history of the C coal bed of the Emery coal field which accumulated in a basin that developed concurrently with subsidence of the delta plain during both the constructive and destructive phases of the third delta cycle.-from Authors","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geological Society of America Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1980)91<579:UOAVAF>2.0.CO;2","usgsCitation":"Ryer, T., Phillips, R., Bohor, B., and Pollastro, R.M., 1980, Use of altered volcanic ash falls in stratigraphic studies of coal-bearing sequences: an example from the Upper Cretaceous Ferron Sandstone Member of the Mancos Shale in central Utah.: Geological Society of America Bulletin, v. 91, no. 10, p. 579-586, https://doi.org/10.1130/0016-7606(1980)91<579:UOAVAF>2.0.CO;2.","startPage":"579","endPage":"586","numberOfPages":"8","costCenters":[],"links":[{"id":268126,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/0016-7606(1980)91<579:UOAVAF>2.0.CO;2"},{"id":221943,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"91","issue":"10","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bbeb0e4b08c986b32971d","contributors":{"authors":[{"text":"Ryer, Thomas A.","contributorId":46091,"corporation":false,"usgs":true,"family":"Ryer","given":"Thomas A.","affiliations":[],"preferred":false,"id":363345,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Phillips, R.E.","contributorId":51241,"corporation":false,"usgs":true,"family":"Phillips","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":363346,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bohor, B.F.","contributorId":96351,"corporation":false,"usgs":true,"family":"Bohor","given":"B.F.","email":"","affiliations":[],"preferred":false,"id":363347,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Pollastro, R. M.","contributorId":6809,"corporation":false,"usgs":true,"family":"Pollastro","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":363344,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70012336,"text":"70012336 - 1980 - Lithospheric loading by the 1896 Riku-u earthquake, northern Japan: Implications for plate flexure and asthenospheric rheology","interactions":[],"lastModifiedDate":"2024-07-16T16:55:17.414077","indexId":"70012336","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":6453,"text":"Journal of Geophysical Research Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Lithospheric loading by the 1896 Riku-u earthquake, northern Japan: Implications for plate flexure and asthenospheric rheology","docAbstract":"<p><span>Under favorable circumstances the time-dependent aseismic deformation resulting from the loading of the lithosphere by the stress drop of large dip slip earthquakes can be used to determine both the effective elastic plate thickness and the asthenospheric viscosity. The deformation has several similarities with the deflection of the lithosphere by surface loads and with movements due to postglacial rebound. Level changes obtained in the 80 years since the&nbsp;</span><i>M</i><span>&nbsp;= 7.5, 1896 Riku-u earthquake, an intraplate thrust event in northern Honshu, provide convincing evidence that asthenospheric readjustments are responsible for the observed movements. Leveling surveys crossing the zone of surface faulting have been repeated five times since 1900 and delineate a localized depression that has subsided at a continually decreasing rate. The depression is centered close to the 1896 faulting, and its shape and width, about 75 km, are matched by our model using a plate thickness of 30 km. The decaying subsidence rate constrains the viscosity of the uppermost asthenosphere to be 1×10</span><sup>20</sup><span>&nbsp;P. A linear viscous rheology matches the observed decay quite well, although measurements are sparse during the several decades following the earthquake.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB085iB11p06429","issn":"01480227","usgsCitation":"Thatcher, W., Matsuda, T., Kato, T., and Rundle, J.B., 1980, Lithospheric loading by the 1896 Riku-u earthquake, northern Japan: Implications for plate flexure and asthenospheric rheology: Journal of Geophysical Research Solid Earth, v. 85, no. B11, p. 6429-6435, https://doi.org/10.1029/JB085iB11p06429.","productDescription":"7 p.","startPage":"6429","endPage":"6435","numberOfPages":"7","costCenters":[],"links":[{"id":222195,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"85","issue":"B11","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"505a489fe4b0c8380cd67fcb","contributors":{"authors":[{"text":"Thatcher, W.","contributorId":32669,"corporation":false,"usgs":true,"family":"Thatcher","given":"W.","email":"","affiliations":[],"preferred":false,"id":363311,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Matsuda, T.","contributorId":49522,"corporation":false,"usgs":true,"family":"Matsuda","given":"T.","email":"","affiliations":[],"preferred":false,"id":363312,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kato, T.","contributorId":93195,"corporation":false,"usgs":true,"family":"Kato","given":"T.","email":"","affiliations":[],"preferred":false,"id":363313,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rundle, J. B.","contributorId":17766,"corporation":false,"usgs":false,"family":"Rundle","given":"J.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":363310,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70012348,"text":"70012348 - 1980 - Some factors controlling the concentration of uranium in the world ocean","interactions":[],"lastModifiedDate":"2024-03-14T15:55:28.413937","indexId":"70012348","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Some factors controlling the concentration of uranium in the world ocean","docAbstract":"<p><span>Low-temperature alteration of the oceanic crust is a major sink for the U supplied to the oceans and may account for about 50% of the estimated present-day input of this element. Uranium uptake by organic-rich sediments and coexisting phosphorites on continental margins is also important and may remove in excess of 10% of the total supply. High-temperature alteration of oceanic basalts, metalliferous sediments, carbonate sediments, and sediments in anoxic basins deeper than 200 m play a relatively minor role in the removal of U. Each of these sinks is responsible for the uptake of less than 5% of the overall input.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/0016-7037(80)90145-3","issn":"00167037","usgsCitation":"Bloch, S., 1980, Some factors controlling the concentration of uranium in the world ocean: Geochimica et Cosmochimica Acta, v. 44, no. 2, p. 373-377, https://doi.org/10.1016/0016-7037(80)90145-3.","productDescription":"5 p.","startPage":"373","endPage":"377","numberOfPages":"5","costCenters":[],"links":[{"id":221887,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b92a4e4b08c986b31a02b","contributors":{"authors":[{"text":"Bloch, S.","contributorId":81249,"corporation":false,"usgs":true,"family":"Bloch","given":"S.","email":"","affiliations":[],"preferred":false,"id":363335,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012338,"text":"70012338 - 1980 - Direct computation of the sensible heat flux","interactions":[],"lastModifiedDate":"2024-02-15T01:23:45.923921","indexId":"70012338","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Direct computation of the sensible heat flux","docAbstract":"<div class=\"\"><div class=\"article-section__content en main\"><p>An algorithm to determine the sensible heat flux from simple field measurements (wind speed, air and ground temperatures) has been developed. It provides a direct solution, in parametric form, which can be displayed graphically or tabularly. This method has an advantage over the previous iterative solution in that the computation is fast. It also provides a clearer understanding of the drag coefficient, its variation and response to different conditions. A simple example illustrated that at low wind speeds the drag coefficient cannot be treated as a constant. Both the computational speed and analysis of the drag coefficient can be important for remote-sensing applications involving thermal scanner data.</p></div></div>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/GL007i008p00616","issn":"00948276","usgsCitation":"Watson, K., 1980, Direct computation of the sensible heat flux: Geophysical Research Letters, v. 7, no. 8, p. 616-618, https://doi.org/10.1029/GL007i008p00616.","productDescription":"3 p.","startPage":"616","endPage":"618","numberOfPages":"3","costCenters":[],"links":[{"id":222653,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"8","noUsgsAuthors":false,"publicationDate":"2012-12-07","publicationStatus":"PW","scienceBaseUri":"505a01ade4b0c8380cd4fce4","contributors":{"authors":[{"text":"Watson, K.","contributorId":39123,"corporation":false,"usgs":true,"family":"Watson","given":"K.","email":"","affiliations":[],"preferred":false,"id":363316,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012340,"text":"70012340 - 1980 - Shallow, low-permeability reservoirs of northern Great Plains: Assessment of their natural gas resources.","interactions":[],"lastModifiedDate":"2023-01-12T15:47:21.238953","indexId":"70012340","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":701,"text":"American Association of Petroleum Geologists Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Shallow, low-permeability reservoirs of northern Great Plains: Assessment of their natural gas resources.","docAbstract":"<p>Major resources of natural gas are entrapped in low-permeability, low-pressure reservoirs at depths less than 4,000 ft (1,200 m) in the northern Great Plains. This shallow gas is the product of the immature stage of hydrocarbon generation and is referred to as biogenic gas. Prospective low-permeability, gas-bearing reservoirs range in age from late Early to Late Cretaceous and include most of the section from the base of the Mowry Shale to the top of the Judith River Formation. For detailed examination, the potential reservoir section was divided into five intervals represented by one or more formations and their correlatives. The intervals selected correspond to (1) Mowry Shale, (2) Belle Fourche Shale and Greenhorn Formation, (3) Carlile Shale, (4) Niobrara and Telegrap Creek Formations and Eagle Sandstone, and (5) Claggett Shale and Judith River Formation and their equivalents.</p><p>Within each interval, several different facies are developed. The following facies were identified and mapped for each interval: nonmarine rocks, coastal sandstones, shelf sandstones, siltstones, shales, and chalks. Two types of shelf sandstone were differentiated but generally not mapped separately because of lack of well log control. The \"sand ridge\" type has reservoir properties comparable to coastal sandstones and occurs as isolated tongues as much as 75 ft (23 m) thick. The second type of shelf sandstone is in beds commonly less than 1 in. (3 cm) thick which are interbedded with shale and contain a high content of allogenic silt- and clay-size material. It is impossible to differentiate these individual beds on conventional well logs. The siltstone and shale facies are grouped to ether because conventional logs cannot distinguish between these two rock types, particularly when they are interbedded. For future evaluation of natural gas resources from low-permeability reservoirs, it will be necessary to differentiate between the siltstone and shale facies and to identify individual beds, particularly very thin ones, within the shelf sandstone facies.</p><p>Each facies contains distinct reservoir types, some of which are low in permeability. The most promising low-permeability reservoirs are developed in the shelf sandstone, siltstone, and chalk facies. Reservoirs within these facies are particularly attractive because they are enveloped by thick sequences of shale which serve as both a source and a seal for the gas. When naturally fractured, these shales also may be low-productivity gas reservoirs similar to the Devonian shales of the Appalachian basin. In addition, facies with low-permeability reservoirs are present over most of the study area when maps for all of the intervals are combined.</p><p>Natural gas is produced from low-permeability reservoirs in the northern Great Plains in the southern part of western Canada. Established production covers an area of approximately 8,000 sq mi (20,700 sq km) where reported recoverable reserves average as much as 2 Bcf sq mi. Using these reserve data as an analog, the United States portion may contain resources of natural gas in excess of 100 Tcf. The volume of recoverable gas in the United States will depend on the development of improved recovery technology and higher gas prices relative to costs.</p>","language":"English","publisher":"American Association of Petroleum Geologists (AAPG)","doi":"10.1306/2F919413-16CE-11D7-8645000102C1865D","usgsCitation":"Rice, D.D., and Shurr, G.W., 1980, Shallow, low-permeability reservoirs of northern Great Plains: Assessment of their natural gas resources.: American Association of Petroleum Geologists Bulletin, v. 64, no. 7, p. 969-987, https://doi.org/10.1306/2F919413-16CE-11D7-8645000102C1865D.","productDescription":"119 p.","startPage":"969","endPage":"987","numberOfPages":"19","costCenters":[],"links":[{"id":222713,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"northern Great Plains","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -106,\n              44\n            ],\n            [\n              -102,\n              44\n            ],\n            [\n              -102,\n              49\n            ],\n            [\n              -112,\n              49\n            ],\n            [\n              -112,\n              48\n            ],\n            [\n              -111,\n              48\n            ],\n            [\n              -111,\n              47\n            ],\n            [\n              -109,\n              47\n            ],\n            [\n              -109,\n              44.99661557559614\n            ],\n            [\n              -106,\n              45\n            ],\n            [\n              -106,\n              44\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"64","issue":"7","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8e46e4b08c986b31883a","contributors":{"authors":[{"text":"Rice, Dudley D.","contributorId":11601,"corporation":false,"usgs":true,"family":"Rice","given":"Dudley","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":363322,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shurr, George W.","contributorId":78741,"corporation":false,"usgs":true,"family":"Shurr","given":"George","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":363323,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70012352,"text":"70012352 - 1980 - Scaling variables and interpretation of eigenvalues in principal component analysis of geologic data","interactions":[],"lastModifiedDate":"2012-03-12T17:19:07","indexId":"70012352","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2554,"text":"Journal of the International Association for Mathematical Geology","active":true,"publicationSubtype":{"id":10}},"title":"Scaling variables and interpretation of eigenvalues in principal component analysis of geologic data","docAbstract":"The dominant feature distinguishing one method of principal components analysis from another is the manner in which the original data are transformed prior to the other computations. The only other distinguishing feature of any importance is whether the eigenvectors of the inner product-moment of the transformed data matrix are taken directly as the Q-mode scores or scaled by the square roots of their associated eigenvalues and called the R-mode loadings. If the eigenvectors are extracted from the product-moment correlation matrix, the variables, in effect, were transformed by column standardization (zero means and unit variances), and the sum of the p-largest eigenvalues divided by the sum of all the eigenvalues indicates the degree to which a model containing p components will account for the total variance in the original data. However, if the data were transformed in any manner other than column standardization, the eigenvalues cannot be used in this manner, but can only be used to determine the degree to which the model will account for the transformed data. Regardless of the type of principal components analysis that is performed-even whether it is R or Q-mode-the goodness-of-fit of the model to the original data is given better by the eigenvalues of the correlation matrix than by those of the matrix that was actually factored. ?? 1980 Plenum Publishing Corporation.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the International Association for Mathematical Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisherLocation":"Kluwer Academic Publishers-Plenum Publishers","doi":"10.1007/BF01034742","issn":"00205958","usgsCitation":"Miesch, A., 1980, Scaling variables and interpretation of eigenvalues in principal component analysis of geologic data: Journal of the International Association for Mathematical Geology, v. 12, no. 6, p. 523-538, https://doi.org/10.1007/BF01034742.","startPage":"523","endPage":"538","numberOfPages":"16","costCenters":[],"links":[{"id":205169,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF01034742"},{"id":221942,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"12","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b871de4b08c986b316308","contributors":{"authors":[{"text":"Miesch, A.T.","contributorId":88726,"corporation":false,"usgs":true,"family":"Miesch","given":"A.T.","affiliations":[],"preferred":false,"id":363343,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012354,"text":"70012354 - 1980 - Multiple ice flow directions during the Fraser Glaciation in the lower Skagit River drainage, northern Cascade Range, Washington","interactions":[],"lastModifiedDate":"2017-05-04T16:40:44","indexId":"70012354","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":898,"text":"Arctic and Alpine Research","active":true,"publicationSubtype":{"id":10}},"title":"Multiple ice flow directions during the Fraser Glaciation in the lower Skagit River drainage, northern Cascade Range, Washington","docAbstract":"<p><span>Stratigraphic mapping and pebble-count data suggest that ice flowed in three different directions in the lower Skagit drainage of the northern Cascade Range during the Fraser Glaciation (∼ 10K to 20K BP). Glacier reconstructions suggest that till exposed at one site in the lower Skagit Valley was deposited by a Baker Valley glacier that flowed westward down the Skagit Valley during the early part of the Fraser Glaciation (Evans Creek Stade). Stratigraphic relations show that the Cordilleran Ice Sheet subsequently advanced up the Skagit Valley and into the Baker Valley during the Vashon Stade. Flow-direction indicators, as well as clast compositional variations in till and recessional deposits of Vashon age, indicate that this upvalley, eastward-advancing glacier was later overwhelmed by southeast-flowing ice of the Cordilleran Ice Sheet which entered the Baker Valley across the valley divide to the northwest.</span></p>","language":"English","publisher":"INSTAAR, University of Colorado","doi":"10.2307/1550716","usgsCitation":"Heller, P.L., 1980, Multiple ice flow directions during the Fraser Glaciation in the lower Skagit River drainage, northern Cascade Range, Washington: Arctic and Alpine Research, v. 12, no. 3, p. 299-308, https://doi.org/10.2307/1550716.","productDescription":"10 p.","startPage":"299","endPage":"308","costCenters":[],"links":[{"id":221944,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Cascade Range, Skagit River drainage","volume":"12","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a606be4b0c8380cd71445","contributors":{"authors":[{"text":"Heller, Paul L.","contributorId":83924,"corporation":false,"usgs":true,"family":"Heller","given":"Paul","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":363348,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70012357,"text":"70012357 - 1980 - Goat paddock cryptoexplosion crater, Western Australia","interactions":[],"lastModifiedDate":"2012-03-12T17:19:07","indexId":"70012357","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Goat paddock cryptoexplosion crater, Western Australia","docAbstract":"Goat Paddock, a crater slightly over 5 km in diameter (18??20??? S, 126??40???E), lies at the north edge of the King Leopold Range/Mueller Range junction in the Kimberley district, Western Australia (Fig. 1). It was noted as a geological anomaly in 1964 during regional mapping by the Bureau of Mineral Resources, Geology and Geophysics and the Geological Survey of Western Australia. The possibility of its being a meteorite impact crater has been discussed1, although this suggestion was subsequently ignored2. Two holes were drilled by a mining corporation in 1972 to test whether kimberlite underlay the structure. Here we report the findings of five days of reconnaissance in August 1979 which established that Goat Paddock is a cryptoexplosion crater containing shocked rocks and an unusually well exposed set of structural features. ?? 1980 Nature Publishing Group.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Nature","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1038/286704a0","issn":"00280836","usgsCitation":"Harms, J., Milton, D., Ferguson, J., Gilbert, D., Harris, W., and Goleby, B., 1980, Goat paddock cryptoexplosion crater, Western Australia: Nature, v. 286, no. 5774, p. 704-706, https://doi.org/10.1038/286704a0.","startPage":"704","endPage":"706","numberOfPages":"3","costCenters":[],"links":[{"id":205180,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1038/286704a0"},{"id":222010,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"286","issue":"5774","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a2976e4b0c8380cd5a983","contributors":{"authors":[{"text":"Harms, J.E.","contributorId":45054,"corporation":false,"usgs":true,"family":"Harms","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":363357,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Milton, D.J.","contributorId":44121,"corporation":false,"usgs":true,"family":"Milton","given":"D.J.","email":"","affiliations":[],"preferred":false,"id":363356,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ferguson, J.","contributorId":31907,"corporation":false,"usgs":true,"family":"Ferguson","given":"J.","email":"","affiliations":[],"preferred":false,"id":363355,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gilbert, D.J.","contributorId":67657,"corporation":false,"usgs":true,"family":"Gilbert","given":"D.J.","email":"","affiliations":[],"preferred":false,"id":363358,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Harris, W.K.","contributorId":25294,"corporation":false,"usgs":true,"family":"Harris","given":"W.K.","email":"","affiliations":[],"preferred":false,"id":363354,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Goleby, B.","contributorId":99293,"corporation":false,"usgs":true,"family":"Goleby","given":"B.","email":"","affiliations":[],"preferred":false,"id":363359,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70012358,"text":"70012358 - 1980 - Deep-sea spherules from Pacific clay: Mass distribution and influx rate","interactions":[],"lastModifiedDate":"2024-03-14T15:58:46.207394","indexId":"70012358","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Deep-sea spherules from Pacific clay: Mass distribution and influx rate","docAbstract":"<p><span>From 411 kg of Pacific clay, 22 mg of stony spherules and 50 mg of iron spherules larger than 150 μm were concentrated. The extraterrestrial origin of these particles was evaluated with the aid of both optical and electron microscopy as well as atomic absorption elemental analysis. The integral number (</span><i>N</i><span>) of stony particles from this sediment in the mass (M) range 20–300 μg is given by&nbsp;</span><i>N</i><span>( &gt;</span><i>M</i><span>(</span><i>g</i><span>)) = 5.13 × 10</span><sup>−6</sup><span>&nbsp;×&nbsp;</span><i>M</i><sup>−1.65</sup><span>. The world-wide influx rate of stony particles in the mass range which survive atmospheric heating and ocean sediment storage is calculated to be 90 tons/yr. The relative contributions of ablation debris vs fused interplanetary dust to the influx of stony spherules is discussed, but as yet the question remains unanswered.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/0016-7037(80)90204-5","issn":"00167037","usgsCitation":"Murrell, M., Davis, P., Nishiizumi, K., and Millard, H.T., 1980, Deep-sea spherules from Pacific clay: Mass distribution and influx rate: Geochimica et Cosmochimica Acta, v. 44, no. 12, p. 2067-2074, https://doi.org/10.1016/0016-7037(80)90204-5.","productDescription":"8 p.","startPage":"2067","endPage":"2074","numberOfPages":"8","costCenters":[],"links":[{"id":222011,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fe30e4b0c8380cd4eba2","contributors":{"authors":[{"text":"Murrell, M.T.","contributorId":104629,"corporation":false,"usgs":true,"family":"Murrell","given":"M.T.","email":"","affiliations":[],"preferred":false,"id":363363,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Davis, P.A. Jr.","contributorId":20903,"corporation":false,"usgs":true,"family":"Davis","given":"P.A.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":363360,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nishiizumi, K.","contributorId":55945,"corporation":false,"usgs":true,"family":"Nishiizumi","given":"K.","affiliations":[],"preferred":false,"id":363361,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Millard, Hugh T. Jr.","contributorId":67502,"corporation":false,"usgs":true,"family":"Millard","given":"Hugh","suffix":"Jr.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":363362,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70012364,"text":"70012364 - 1980 - Growth rates of manganese nodules in Oneida Lake, New York","interactions":[],"lastModifiedDate":"2023-12-13T12:25:29.680633","indexId":"70012364","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Growth rates of manganese nodules in Oneida Lake, New York","docAbstract":"<div id=\"abstracts\" class=\"Abstracts u-font-serif text-s\"><div id=\"ab1\" class=\"abstract author\" lang=\"en\"><div id=\"aep-abstract-sec-id8\"><p><sup>226</sup>Ra is used to document the growth histories of six manganese nodules from Oneida Lake, New York. Detailed sectioning and analysis reveal that there are discontinuous gradients in<sup>226</sup>Ra content in these samples. These gradients result from periods of rapid growth (&gt;1 mm/100 years) separated by periods of no growth of erosion. Although the<sup>226</sup>Ra “age” of the nodules approximates the age of Oneida Lake, the nodules are not sediment-covered because they occur only in areas of the lake where fine-grained sediments are not accumulating.</p></div></div></div>","language":"English","publisher":"Elsevier","doi":"10.1016/0012-821X(80)90005-9","issn":"0012821X","usgsCitation":"Moore, W., Dean, W., Krishnaswami, S., and Borole, D., 1980, Growth rates of manganese nodules in Oneida Lake, New York: Earth and Planetary Science Letters, v. 46, no. 2, p. 191-200, https://doi.org/10.1016/0012-821X(80)90005-9.","productDescription":"10 p.","startPage":"191","endPage":"200","numberOfPages":"10","costCenters":[],"links":[{"id":222135,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New York","otherGeospatial":"Oneida Lake","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -76.22571860621142,\n              43.326711910461796\n            ],\n            [\n              -76.22571860621142,\n              43.09951463139819\n            ],\n            [\n              -75.63795005152384,\n              43.09951463139819\n            ],\n            [\n              -75.63795005152384,\n              43.326711910461796\n            ],\n            [\n              -76.22571860621142,\n              43.326711910461796\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"46","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a2e04e4b0c8380cd5c22a","contributors":{"authors":[{"text":"Moore, W.S.","contributorId":90875,"corporation":false,"usgs":true,"family":"Moore","given":"W.S.","email":"","affiliations":[],"preferred":false,"id":363380,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dean, W.E.","contributorId":97099,"corporation":false,"usgs":true,"family":"Dean","given":"W.E.","email":"","affiliations":[],"preferred":false,"id":363381,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Krishnaswami, S.","contributorId":101386,"corporation":false,"usgs":true,"family":"Krishnaswami","given":"S.","email":"","affiliations":[],"preferred":false,"id":363382,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Borole, D.V.","contributorId":33451,"corporation":false,"usgs":true,"family":"Borole","given":"D.V.","email":"","affiliations":[],"preferred":false,"id":363379,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70012367,"text":"70012367 - 1980 - High-sensitivity aeromagnetic survey of the U.S. Atlantic continental margin","interactions":[],"lastModifiedDate":"2024-04-18T16:39:43.662966","indexId":"70012367","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1808,"text":"Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"High-sensitivity aeromagnetic survey of the U.S. Atlantic continental margin","docAbstract":"<p><span>The U.S. Geological Survey contracted a high-sensitivity, digital aeromagnetic survey that was flown over the U.S. Atlantic continental margin over a period of 15 months between 1974 and 1976. The 185,000 km of profile data have a relative accuracy approaching a few tenths of a nanotesla, which allowed compilation into maps at a scale of 1:250,000, with a contour interval of 2 nT. Automatic data processing using the Werner method allowed calculations of apparent depth to sources of the magnetic anomalies on all of the profiles, assuming a dike or interface as a source. Comparison of the computed depths to magnetic basement with multichannel seismic profiles across the survey area helped to reduce ambiguities in magnetic depth estimates and enabled interpolation of basement structures between seismic profiles. The resulting map showing depth to basement of the Atlantic continental margin is compatible with available multichannel seismic data, and we consider it a reasonable representation of the base of the sedimentary column.</span></p>","language":"English","publisher":"Society of Exploration Geophysicists","doi":"10.1190/1.1441068","issn":"00168033","usgsCitation":"Behrendt, J.C., and Klitgord, K.D., 1980, High-sensitivity aeromagnetic survey of the U.S. Atlantic continental margin: Geophysics, v. 45, no. 12, p. 1813-1846, https://doi.org/10.1190/1.1441068.","productDescription":"34 p.","startPage":"1813","endPage":"1846","numberOfPages":"34","costCenters":[],"links":[{"id":222196,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"45","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a313de4b0c8380cd5dd61","contributors":{"authors":[{"text":"Behrendt, John C. jbehrendt@usgs.gov","contributorId":25945,"corporation":false,"usgs":true,"family":"Behrendt","given":"John","email":"jbehrendt@usgs.gov","middleInitial":"C.","affiliations":[{"id":213,"text":"Crustal Imaging and Characterization Team","active":false,"usgs":true},{"id":218,"text":"Denver Federal Center","active":false,"usgs":true}],"preferred":false,"id":363388,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Klitgord, Kim D.","contributorId":82307,"corporation":false,"usgs":true,"family":"Klitgord","given":"Kim","email":"","middleInitial":"D.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":363389,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70012368,"text":"70012368 - 1980 - Clarification of the Hashin-Shtrikman bounds on the effective elastic moduli of polycrystals with hexagonal, trigonal, and tetragonal symmetries","interactions":[],"lastModifiedDate":"2012-03-12T17:19:03","indexId":"70012368","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2171,"text":"Journal of Applied Physics","active":true,"publicationSubtype":{"id":10}},"title":"Clarification of the Hashin-Shtrikman bounds on the effective elastic moduli of polycrystals with hexagonal, trigonal, and tetragonal symmetries","docAbstract":"Bounds on the effective elastic moduli of randomly oriented aggregates of hexagonal, trigonal, and tetragonal crystals are derived using the variational principles of Hashin and Shtrikman. The bounds are considerably narrower than the widely used Voigt and Reuss bounds. The Voigt-Reuss-Hill average lies within the Hashin-Shtrikman bounds in nearly all cases. Previous bounds of Peselnick and Meister are shown to be special cases of the present results.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Applied Physics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1063/1.327804","issn":"00214922","usgsCitation":"Watt, J., and Peselnick, L., 1980, Clarification of the Hashin-Shtrikman bounds on the effective elastic moduli of polycrystals with hexagonal, trigonal, and tetragonal symmetries: Journal of Applied Physics, v. 51, no. 3, p. 1525-1531, https://doi.org/10.1063/1.327804.","startPage":"1525","endPage":"1531","numberOfPages":"7","costCenters":[],"links":[{"id":205209,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1063/1.327804"},{"id":222197,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"51","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f614e4b0c8380cd4c5a1","contributors":{"authors":[{"text":"Watt, J.P.","contributorId":42355,"corporation":false,"usgs":true,"family":"Watt","given":"J.P.","email":"","affiliations":[],"preferred":false,"id":363390,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Peselnick, L.","contributorId":66825,"corporation":false,"usgs":true,"family":"Peselnick","given":"L.","affiliations":[],"preferred":false,"id":363391,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":8641,"text":"ofr8070 - 1980 - Hydrogeologic data for Eureka Springs landfill and adjacent area, north-central Hillsborough County, Florida, 1969-73","interactions":[],"lastModifiedDate":"2022-06-06T18:25:45.900054","indexId":"ofr8070","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"80-70","title":"Hydrogeologic data for Eureka Springs landfill and adjacent area, north-central Hillsborough County, Florida, 1969-73","docAbstract":"Well location and construction data are summarized for 218 wells in the Eureka Springs landfill and adjacent areas in north-central Hillsborough County, FL. Most of the data are for 88 wells within the immediate vicinity of the landfill. Water-quality data are presented for 93 of the wells and 13 surface-water sites. Also presented are water-level data for the surficial and Floridan aquifers for 162 of the wells and lithologic logs for 43 of the wells. (USGS)","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr8070","collaboration":"Prepared in cooperation with Hillsborough County and the City of Tampa, Florida","usgsCitation":"Duerr, A.D., and Stewart, J.W., 1980, Hydrogeologic data for Eureka Springs landfill and adjacent area, north-central Hillsborough County, Florida, 1969-73: U.S. Geological Survey Open-File Report 80-70, iii, 83 p., https://doi.org/10.3133/ofr8070.","productDescription":"iii, 83 p.","costCenters":[],"links":[{"id":401770,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1980/0070/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":400308,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_75185.htm","linkFileType":{"id":5,"text":"html"}},{"id":144107,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1980/0070/report-thumb.jpg"}],"country":"United States","state":"Florida","county":"Hillsborough County","otherGeospatial":"Eureka Springs landfill","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -82.4,\n              27.9333\n            ],\n            [\n              -82.25,\n              27.9333\n            ],\n            [\n              -82.25,\n              28.0833\n            ],\n            [\n              -82.4,\n              28.0833\n            ],\n            [\n              -82.4,\n              27.9333\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a50e4b07f02db628a9d","contributors":{"authors":[{"text":"Duerr, A. D.","contributorId":29821,"corporation":false,"usgs":true,"family":"Duerr","given":"A.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":158073,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stewart, Joseph William","contributorId":48185,"corporation":false,"usgs":true,"family":"Stewart","given":"Joseph","email":"","middleInitial":"William","affiliations":[],"preferred":false,"id":158074,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70168567,"text":"70168567 - 1980 - Continuous monitoring of Mount St. Helens Volcano","interactions":[],"lastModifiedDate":"2016-08-29T10:24:35","indexId":"70168567","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1435,"text":"Earthquake Information Bulletin (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Continuous monitoring of Mount St. Helens Volcano","docAbstract":"<p>Day by day monitoring of the Mount St. Helens Volcano. These are four scenarios, very different scenarios, that can occur in a average week at Mount St. Helens. Ranging from eruptions of gas and to steam to eruptions of ash and pyroclastic flows to even calm days. This example of monitoring illustrates the differences from day to day volcanic activities at Mount St. Helens.&nbsp;</p>","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Spall, H., 1980, Continuous monitoring of Mount St. Helens Volcano: Earthquake Information Bulletin (USGS), v. 12, no. 6, p. 220-227.","productDescription":"8 p.","startPage":"220","endPage":"227","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318188,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Mt. St. Helens","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -122.25997924804688,\n              46.24540080200015\n            ],\n            [\n              -122.08694458007812,\n              46.244451065485094\n            ],\n            [\n              -122.0745849609375,\n              46.1237008771406\n            ],\n            [\n              -122.25448608398436,\n              46.1360733177497\n            ],\n            [\n              -122.25997924804688,\n              46.24540080200015\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"12","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56c84ac4e4b0b3c9ae381019","contributors":{"authors":[{"text":"Spall, H.","contributorId":99290,"corporation":false,"usgs":true,"family":"Spall","given":"H.","affiliations":[],"preferred":false,"id":620935,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70168885,"text":"70168885 - 1980 - Earthquakes, January-February, 1980","interactions":[],"lastModifiedDate":"2016-03-06T15:59:34","indexId":"70168885","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1435,"text":"Earthquake Information Bulletin (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Earthquakes, January-February, 1980","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Person, W., 1980, Earthquakes, January-February, 1980: Earthquake Information Bulletin (USGS), v. 12, no. 5, p. 200-202.","productDescription":"3 p.","startPage":"200","endPage":"202","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":318633,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"12","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56dd62b9e4b015c306fa4b34","contributors":{"authors":[{"text":"Person, W. J.","contributorId":91472,"corporation":false,"usgs":true,"family":"Person","given":"W. J.","affiliations":[],"preferred":false,"id":622039,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70164345,"text":"70164345 - 1980 - Lifeline earthquake engineering; an interview with C. Martin Duke","interactions":[],"lastModifiedDate":"2016-02-05T16:57:26","indexId":"70164345","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1435,"text":"Earthquake Information Bulletin (USGS)","active":true,"publicationSubtype":{"id":10}},"title":"Lifeline earthquake engineering; an interview with C. Martin Duke","language":"English","publisher":"U.S Geological Survey","usgsCitation":"Tugend, T., 1980, Lifeline earthquake engineering; an interview with C. Martin Duke: Earthquake Information Bulletin (USGS), v. 12, no. 3, p. 104-107.","productDescription":"4 p.","startPage":"104","endPage":"107","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":316420,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"12","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56b08fe1e4b010e2af2a5de3","contributors":{"authors":[{"text":"Tugend, T.","contributorId":156261,"corporation":false,"usgs":false,"family":"Tugend","given":"T.","email":"","affiliations":[],"preferred":false,"id":597083,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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