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1978 - Aeromagnetic map of Seward Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:10:52","indexId":"ofr781080","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-1080","title":"Aeromagnetic map of Seward Quadrangle, Alaska","language":"ENGLISH","doi":"10.3133/ofr781080","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1978, Aeromagnetic map of Seward Quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1080, 1 map, https://doi.org/10.3133/ofr781080.","productDescription":"1 map","costCenters":[],"links":[{"id":171537,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":79328,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1978/1080/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b00e4b07f02db698101","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":530487,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":10831,"text":"ofr78666 - 1978 - Stamukhi shoals of the Arctic - some observations from the Beaufort Sea","interactions":[],"lastModifiedDate":"2023-11-21T22:06:24.865212","indexId":"ofr78666","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-666","title":"Stamukhi shoals of the Arctic - some observations from the Beaufort Sea","docAbstract":"A number of linear shoals, representing pronounced topographic anomalies on the surface of the Arctic shelf, have been studied in the Prudhoe Bay area. These shoals have been referred to in several previous studies. Based on seismic reflection records, Reimnitz et al., (1972a), stated that the shoals are constructional features younger than the post-Wisconsin transgression. Large chunks of grounded ice have frequently been seen on the linear shoals of the inner shelf. These ice chunks form barriers parallel to the shore (Reimnitz, et al. 1972b). Reimnitz and Barnes (1974) considered the lack of gravel concentrations on the shoals to be evidence that the stream of pack ice drifting past northern Alaska carries very little gravel today. Lewellen (1977) referred to the linear shoals as submerged barrier islands, while Reimnitz, et al., (1977b) pointed out that, although similar in shape to barrier islands, the linear shoals are very different in composition and do not appear to represent drowned harrier islands. They show that the shoals localize the formation of major shear and pressure events in the ice, which in turn cause the formation of linear belts of deformed and grounded ice. Today the shoals appear to be migrating under the influence of ice-bottom interaction, and indeed may have formed in response to ice-bottom interaction within the \"stamukhi zone\". The shoals migrate rather slowly and retain their shapes over periods of 25 years, yet control the location and stabilize the outer edge of the floating fast ice zone, and provide shelter for the inner shelf and coast. Reimnitz et al. (1977b) surmised that similar artificial structures might be used to modify the ice environment on the arctic shelf.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr78666","usgsCitation":"Reimnitz, E., and Maurer, D.K., 1978, Stamukhi shoals of the Arctic - some observations from the Beaufort Sea: U.S. Geological Survey Open-File Report 78-666, 17 p., https://doi.org/10.3133/ofr78666.","productDescription":"17 p.","costCenters":[],"links":[{"id":422793,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0666/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":145700,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0666/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Beaufort Sea","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -158.62776526776008,\n 72.48635444013865\n ],\n [\n -158.62776526776008,\n 69.63447837595365\n ],\n [\n -141.011122578925,\n 69.63447837595365\n ],\n [\n -141.011122578925,\n 72.48635444013865\n ],\n [\n -158.62776526776008,\n 72.48635444013865\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e1e4b07f02db5e4864","contributors":{"authors":[{"text":"Reimnitz, Erk","contributorId":17963,"corporation":false,"usgs":true,"family":"Reimnitz","given":"Erk","email":"","affiliations":[],"preferred":false,"id":162043,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Maurer, Douglas K. dkmaurer@usgs.gov","contributorId":2308,"corporation":false,"usgs":true,"family":"Maurer","given":"Douglas","email":"dkmaurer@usgs.gov","middleInitial":"K.","affiliations":[],"preferred":true,"id":162042,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":10832,"text":"ofr78593 - 1978 - Storm surges in the Alaskan Beaufort Sea","interactions":[],"lastModifiedDate":"2012-02-02T00:06:40","indexId":"ofr78593","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-593","title":"Storm surges in the Alaskan Beaufort Sea","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr78593","usgsCitation":"Reimnitz, E., and Maurer, D.K., 1978, Storm surges in the Alaskan Beaufort Sea: U.S. Geological Survey Open-File Report 78-593, 26 p., [12] p. of ill. :ill., maps ;28 cm.; (28 p. - PGS), https://doi.org/10.3133/ofr78593.","productDescription":"26 p., [12] p. of ill. :ill., maps ;28 cm.; (28 p. - PGS)","costCenters":[],"links":[{"id":145701,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0593/report-thumb.jpg"},{"id":38631,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0593/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b28e4b07f02db6b1701","contributors":{"authors":[{"text":"Reimnitz, Erk","contributorId":17963,"corporation":false,"usgs":true,"family":"Reimnitz","given":"Erk","email":"","affiliations":[],"preferred":false,"id":162045,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Maurer, Douglas K. dkmaurer@usgs.gov","contributorId":2308,"corporation":false,"usgs":true,"family":"Maurer","given":"Douglas","email":"dkmaurer@usgs.gov","middleInitial":"K.","affiliations":[],"preferred":true,"id":162044,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":8253,"text":"ofr78699 - 1978 - Reconnaissance geochemical sampling in the Melozitna Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:06:12","indexId":"ofr78699","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-699","title":"Reconnaissance geochemical sampling in the Melozitna Quadrangle, Alaska","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr78699","usgsCitation":"Chapman, R.M., and Patton, W.W., 1978, Reconnaissance geochemical sampling in the Melozitna Quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-699, i, 24 leaves :fold. map ;28 cm.; (26 p., 1 sheet, scale 1:250,000 - PGS), https://doi.org/10.3133/ofr78699.","productDescription":"i, 24 leaves :fold. map ;28 cm.; (26 p., 1 sheet, scale 1:250,000 - PGS)","costCenters":[],"links":[{"id":142083,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0699/report-thumb.jpg"},{"id":35869,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1978/0699/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":35870,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0699/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"250000","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a73e4b07f02db643cdb","contributors":{"authors":[{"text":"Chapman, Robert Mills","contributorId":88348,"corporation":false,"usgs":true,"family":"Chapman","given":"Robert","email":"","middleInitial":"Mills","affiliations":[],"preferred":false,"id":157429,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Patton, William Wallace","contributorId":77129,"corporation":false,"usgs":true,"family":"Patton","given":"William","email":"","middleInitial":"Wallace","affiliations":[],"preferred":false,"id":157428,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":11085,"text":"ofr78498 - 1978 - Surface water records of Cook Inlet basin, Alaska, through September 1975","interactions":[],"lastModifiedDate":"2024-10-31T18:45:49.289645","indexId":"ofr78498","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-498","title":"Surface water records of Cook Inlet basin, Alaska, through September 1975","docAbstract":"This report summarizes records of streamflow and water temperature collected prior to October 1, 1975, in the Cook Inlet Basin of south-central Alaska. Streamflow records for gaging stations are tabulated as monthly and annual summaries and annual extremes. For those gaging stations at which continuous or daily water temperature records have been collected, monthly summaries of water temperature extremes are shown. For other gaging stations periodic water temperatures are published. Discharge at crest-stage partial-record stations and at miscellaneous sites is tabulated. Results of seepage investigations are presented for 4 streams.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr78498","usgsCitation":"Scully, D.R., Leveen, L.S., and George, R.S., 1978, Surface water records of Cook Inlet basin, Alaska, through September 1975: U.S. Geological Survey Open-File Report 78-498, iv, 120 p., https://doi.org/10.3133/ofr78498.","productDescription":"iv, 120 p.","costCenters":[],"links":[{"id":143263,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0498/report-thumb.jpg"},{"id":365235,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0498/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":463506,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_14748.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"Cook Inlet Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -150.45669082352336,\n 58.95850053118079\n ],\n [\n -147.14392743498342,\n 61.091124637252165\n ],\n [\n -145.95782177719806,\n 62.485140061556535\n ],\n [\n -148.0283040910025,\n 63.50619534496738\n ],\n [\n -153.21104970024135,\n 62.79106658341152\n ],\n [\n -154.7963594349904,\n 58.8152848983309\n ],\n [\n -156.3309085168604,\n 57.17835483575462\n ],\n [\n -152.58425594549692,\n 58.58904768158885\n ],\n [\n -150.45669082352336,\n 58.95850053118079\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afbe4b07f02db69624f","contributors":{"authors":[{"text":"Scully, David R.","contributorId":6857,"corporation":false,"usgs":true,"family":"Scully","given":"David","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":162505,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Leveen, Larry S.","contributorId":81911,"corporation":false,"usgs":true,"family":"Leveen","given":"Larry","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":162506,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"George, Raymond S.","contributorId":102081,"corporation":false,"usgs":true,"family":"George","given":"Raymond","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":162507,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":11439,"text":"ofr7826 - 1978 - Contact-metasomatic magnetite deposit, Medfra Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-09-08T17:39:06.707771","indexId":"ofr7826","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-26","title":"Contact-metasomatic magnetite deposit, Medfra Quadrangle, Alaska","docAbstract":"A small contact-metasomatic magnetite deposit was discovered in the Medfra quadrangle, Alaska, in 1976. It occurs at the contact between a Cretaceous or early Tertiary quartz monzonite stock and Paleozoic limestone and dolomite. The ore is a magnetite-clinohumite-hematite rock that contains up to 60 volume percent magnetite and 76 weight percent total iron expressed as FeO. Computer modelling of data derived from a ground-level magnetometer survey yielded an estimate of the shape and volume of the deposit. The volume is grossly estimated at 11,6003m .
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7826","usgsCitation":"Throckmorton, M., and Patton, W.W., 1978, Contact-metasomatic magnetite deposit, Medfra Quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-26, i, 13 p., https://doi.org/10.3133/ofr7826.","productDescription":"i, 13 p.","costCenters":[],"links":[{"id":420668,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0026/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":145018,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0026/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Medfra Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -156,63 ], [ -156,64 ], [ -153,64 ], [ -153,63 ], [ -156,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b12e4b07f02db6a28a4","contributors":{"authors":[{"text":"Throckmorton, M.L.","contributorId":97914,"corporation":false,"usgs":true,"family":"Throckmorton","given":"M.L.","email":"","affiliations":[],"preferred":false,"id":163143,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Patton, William Wallace","contributorId":77129,"corporation":false,"usgs":true,"family":"Patton","given":"William","email":"","middleInitial":"Wallace","affiliations":[],"preferred":false,"id":163142,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":11452,"text":"ofr78693 - 1978 - Ice-gouged microrelief on the floor of the eastern Chukchi Sea, Alaska: a reconnaissance survey","interactions":[],"lastModifiedDate":"2012-02-02T00:06:34","indexId":"ofr78693","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-693","title":"Ice-gouged microrelief on the floor of the eastern Chukchi Sea, Alaska: a reconnaissance survey","docAbstract":"Side-scan sonar and bathymetric records obtained from 1,800 km of trackline from the eastern Chukchi Sea continental shelf, between water depths of 20 and 70 m show the ubiquitous presence of furrow-like linear depressions produced by gouging of the sea bed by ice keels. These sea bed micro-features are regionally widespread but are not uniformly distributed. Furthermore, the microrelief, texture, and lithologic structure of sea bed sediments have been significantly modified by the disruptive processes associated with ice gouge formation. \r\n\r\nAn analysis of some 10,.200 individual gouges shows that the density of ice gouges increases with increasing latitude, increasing slope gradients, and decreasing water depth. Across the northern half of the shelf few trackline segments are free of ice gouges; in the southern portion numerous segments contain no ice gouges. However, ice gouges extend at least as far south as Cape Prince of Wales Shoal. Densities of over 200 gouges per km of trackline are not uncommon in water depths less than 30 m ,but no values higher than 50 km are encountered in water deeper than 50 m. No ice gouges have been observed in water depths exceeding 58 m. Saturation ice gouge densities (greater than 300/Pan) occur along the eastern side 6f Barrow Sea Valley and the northeast flank of Hanna Shoal. \r\n\r\nMaximum gouge incision depths per km of trackline are greatest in water 36 to 50 m deep . A maximum incision depth of 4.5 m occurs in the 35-40 m water depth interval. Individual ice gouge events wider than 100 m, most produced by multi-keeled ice fragments, are found between 31 and 45 m depths. The dominant azimuth of gouge furrows shows no preferred orientation on the Chukchi Sea shelf; only locally does bathmetric control of the trend of gouges appear. \r\n\r\nThe occurrence of current-produced bedforms within individual ice gouges suggests an interaction between slow-moving grounded or gouging ice keels and swift currents. In other cases, current-produced bedforms, interpreted as being in equilibrium with existing flow regimes, lie adjacent to ice gouges, suggesting contemporary ice gouging to water depths of at least 43 m.","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr78693","usgsCitation":"Toimil, L.J., 1978, Ice-gouged microrelief on the floor of the eastern Chukchi Sea, Alaska: a reconnaissance survey: U.S. Geological Survey Open-File Report 78-693, 44, [68] leaves :ill., maps ;28 cm.; (113 p. - PGS), https://doi.org/10.3133/ofr78693.","productDescription":"44, [68] leaves :ill., maps ;28 cm.; (113 p. - PGS)","costCenters":[],"links":[{"id":144818,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0693/report-thumb.jpg"},{"id":39316,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0693/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb725","contributors":{"authors":[{"text":"Toimil, Lawrence J.","contributorId":53806,"corporation":false,"usgs":true,"family":"Toimil","given":"Lawrence","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":163160,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":11779,"text":"ofr78675 - 1978 - Reconnaissance engineering geology of the Petersburg area, southeastern Alaska, with emphasis on geologic hazards","interactions":[],"lastModifiedDate":"2012-02-02T00:06:34","indexId":"ofr78675","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-675","title":"Reconnaissance engineering geology of the Petersburg area, southeastern Alaska, with emphasis on geologic hazards","docAbstract":"A program to study the engineering geology of most larger Alaska coastal communities and to evaluate their earthquake and other geologic hazards was started following the 1964 Alaska earthquake; this report about the Petersburg area is a product of that program. Field-study methods were of a reconnaissance nature, and thus, interpretations in the report are tentative. Landscape of the northern end of Mitkof Island on which Petersburg is situated is characterized by a gently sloping, muskeg-covered terrain, with altitudes mostly less than 30 m. In contrast, much of the rest of the island is composed of mountainous terrain with many steep valleys.\r\n\r\nDuring the Pleistocene Epoch, the Petersburg area presumably was covered by ice several times; glaciers deeply eroded many valleys on Mitkof Island and adjacent areas. The last major deglaciation probably was largely completed by 12,000 years ago. Delayed rebound of the earth's crust, after the melting of large amounts of ice, permitted extensive inundation of land in the Petersburg area. Subsequently, emergence has elevated marine deposits to a present-day altitude of at least 65 m and probably to 75 m. \r\n\r\nBedrock in the Petersburg map area is composed of relatively hard metamorphic rocks, chiefly phyllite and probably some graywacke. Rocks are of Middle(?) Jurassic to Early Cretaceous age. Five types of surficial geologic material of Quaternary age were recognized: (1) mixed deposits consisting of diamicton, silt-clay, and sand or sandy pebble gravel, (2) alluvial deposits, (3) shore and delta deposits, (4) organic deposits, and (5) artificial fill. Geologic structure in southeastern Alaska is complex because several cycles of tectonic deformation since at least early Paelozoic time have affected different parts of the region. The latest of the major tectonic events in southeastern Alaska occurred in Tertiary time, with some minor activity continuing into the Quaternary Period. Along the outer coast of southeastern Alaska, active strike-slip movement is occurring along the Chichagof-Baranof and Queen Charlotte faults. A segment of the prominent Coast-Range lineament, part of which may be a fault, lies 18 km northeast of Petersburg.\r\n\r\nMany earthquakes occur along the outer coast of southeastern Alaska. Most of these shocks are associated with movements along the Chichagof-Baranof, Queen Charlotte, and Transition faults. A few small earthquakes occur in the region between the outer coast and the southern part of the Coast Mountains. 0nly a few earthquakes have been recorded as felt at Petersburg; these shocks and others possibly felt in the Petersburg region are tabulated. Among the recorded earthquakes the highest intensity (about V-VI) as the magnitude 7.1 earthquake of October 24, 1927, that occurred probably along the Chichagof-Baranof fault, and about 225 km northwest of Petersburg; damage was reported as minor. Other large earthquakes along the Chichagof-Baranof fault that affected or probably affected the Petersburg area in a minor way occurred on August 22, 1949 (magnitude 8.1) and on July 30, 1972 (magnitude 7.25). \r\n\r\nFrom a consideration of the tectonics and earthquake history of the region, earthquakes similar to the 1927, 1949, and 1972 shocks are expected to recur on segments of the Chichagof-Baranof or Queen Charlotte faults. The closest of these fault segments is about 170 km southwest from Petersburg. The likelihood of destructive earthquakes being generated along faults closer to Petersburg is unknown.\r\n\r\nA very generalized discussion of possible geologic effects that could occur in the area during a postulated, theoretically reasonable worst case earthquake of magnitude 8 occurring along the outer coast about 170 km southwest from Petersburg notes that ground shaking probably would be strongest on organic deposits and least on bedrock and on firm, compact diamicton. Among other effects that could happen are: (1) liquefaction of some of the few delta and alluvial","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr78675","usgsCitation":"Yehle, L.A., 1978, Reconnaissance engineering geology of the Petersburg area, southeastern Alaska, with emphasis on geologic hazards: U.S. Geological Survey Open-File Report 78-675, iv, 92 p. :maps (2 fold. in envelope) ; scales 1:9,600 and 1:250,000 ;28 cm., https://doi.org/10.3133/ofr78675.","productDescription":"iv, 92 p. :maps (2 fold. in envelope) ; scales 1:9,600 and 1:250,000 ;28 cm.","costCenters":[],"links":[{"id":144999,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0675/report-thumb.jpg"},{"id":39665,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1978/0675/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":39666,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0675/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"9600","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a74e4b07f02db6442c8","contributors":{"authors":[{"text":"Yehle, Lynn A. yehle@usgs.gov","contributorId":3794,"corporation":false,"usgs":true,"family":"Yehle","given":"Lynn","email":"yehle@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":163718,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":6437,"text":"pp1068 - 1978 - Effects of permafrost on stream channel behavior in Arctic Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:05:55","indexId":"pp1068","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1068","title":"Effects of permafrost on stream channel behavior in Arctic Alaska","docAbstract":"Sites with drainage areas ranging from 88 to 12,200 sq km were monitored on five streams in northern Alaska during the breakup in 1976 to determine (1) the effects of frozen bed and bank material on channel behavior, and (2) the importance of the annual breakup flood in forming the channels of arctic streams. The thawing and concomitant erosion of channels varied with changes in bed-material size, channel pattern, drainage area, and climate. The response of channels to breakup flooding ranged from total permafrost control of channel processes, including both bed scour and lateral erosion, to only brief restriction of channel behavior early in the rise of the flooding. The watershed characteristic that appears to explain much of this variation is size of drainage area. (Woodard-USGS)","language":"ENGLISH","publisher":"Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,","doi":"10.3133/pp1068","usgsCitation":"Scott, K.M., 1978, Effects of permafrost on stream channel behavior in Arctic Alaska: U.S. Geological Survey Professional Paper 1068, 19 p., https://doi.org/10.3133/pp1068.","productDescription":"19 p.","costCenters":[],"links":[{"id":123262,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1068/report-thumb.jpg"},{"id":33846,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1068/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a29e4b07f02db611aaf","contributors":{"authors":[{"text":"Scott, Kevin M.","contributorId":88331,"corporation":false,"usgs":true,"family":"Scott","given":"Kevin","email":"","middleInitial":"M.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":false,"id":152721,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":4284,"text":"cir778 - 1978 - The Energy Lands Program of the U.S. Geological Survey, fiscal year 1976","interactions":[],"lastModifiedDate":"2012-02-02T00:05:26","indexId":"cir778","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"778","title":"The Energy Lands Program of the U.S. Geological Survey, fiscal year 1976","docAbstract":"The Energy Lands Program of the U.S. Geological Survey comprises several projects that conduct basic and interpretive earth-science investigations into the environmental aspects of energy-resource recovery, transmission, and conversion. More than half the coal reserves of the United States occur west of the Mississippi River; therefore, the program concentrates mostly on coal-producing regions in the Western interior. Additional studies involve the oil-shale region in Colorado, Wyoming, and Utah, and coal-related work in Alaska and Appalachia. The work is done both by USGS personnel and under USGS grants and contracts through the Energy Lands Program to universities, State Geological Surveys, and private individuals. Maps and reports characterizing many aspects of environmental earth science are being prepared for areas of Alaska, Montana, North Dakota, Wyoming, Utah, Colorado, New Mexico, Arizona, Oklahoma, Kansas, and Texas. Types of studies underway include bedrock, surficial, and interpretive geology; engineering geology, geochemistry of surface materials and plants; climatic conditions as they influence rehabilitation potential of mined lands; and feasibility of surface vs. underground mining. The purpose common to all investigations in the Energy Lands Program is to provide timely earth-science information for use by managers, policy-makers, engineers, scientists, planners, and others, in order to contribute to an environmentally sound, orderly, and safe development of the energy resources of the Nation.","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/cir778","usgsCitation":"Maberry, J.O., 1978, The Energy Lands Program of the U.S. Geological Survey, fiscal year 1976: U.S. Geological Survey Circular 778, vi, 42 p. :ill., maps ;26 cm., https://doi.org/10.3133/cir778.","productDescription":"vi, 42 p. :ill., maps ;26 cm.","costCenters":[],"links":[{"id":124625,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/circ/1978/0778/report-thumb.jpg"},{"id":31395,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1978/0778/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac9e4b07f02db67c8ea","contributors":{"authors":[{"text":"Maberry, John O. (compiler)","contributorId":83103,"corporation":false,"usgs":true,"family":"Maberry","given":"John","suffix":"(compiler)","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":148721,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":20271,"text":"ofr78959 - 1978 - Hydrologic information for land-use planning, Fairbanks vicinity, Alaska","interactions":[],"lastModifiedDate":"2021-12-17T22:40:18.314429","indexId":"ofr78959","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-959","title":"Hydrologic information for land-use planning, Fairbanks vicinity, Alaska","docAbstract":"The flood plain on the Chena and Tanana Rivers near Fairbanks, Alaska, has abundant water in rivers and in an unconfined alluvial aquifer. The principal source of ground water is the Tanana River, from which ground water flows northwesterly to the Chena River. Transmissivity of the aquifer commonly exceed 100 ,000 sq ft. The shallow water table (less than 15 ft below land surface), high hydraulic conductivity of the sediments and cold soil give the flood plain a high susceptibility to pollution by onsite sewerage systems. The Environmental Protection Agency recommended maximum concentrations for drinking water may be exceeded in surface water for manganese and bacteria and in ground water for iron, manganese, and bacteria. Residents of the uplands obtain water principally from a widely-distributed fractured schist aquifer. The aquifer is recharged by local infiltration of precipitation and is drained by springs on the lower slopes and by ground-water flow to alluvial aquifers of the valleys. The annual base flow from basins in the uplands ranged from 3,000 to 100,000 gallons per acre; the smallest base flows occur in basins nearest the city of Fairbanks. The thick silt cover and great depth to the water table give much of the uplands a low susceptibility to pollution by onsite sewage disposal. Ground water is locally high in nitrate, arsenic, iron , and manganese. (Woodard-USGS)","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr78959","usgsCitation":"Nelson, G.L., 1978, Hydrologic information for land-use planning, Fairbanks vicinity, Alaska: U.S. Geological Survey Open-File Report 78-959, vi, 47 p., https://doi.org/10.3133/ofr78959.","productDescription":"vi, 47 p.","costCenters":[],"links":[{"id":152287,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":94448,"rank":800,"type":{"id":15,"text":"Index Page"},"url":"https://dggs.alaska.gov/pubs/id/11192"},{"id":393068,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_14970.htm"}],"country":"United States","state":"Alaska","city":"Fairbanks","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -148.326416015625,\n 64.73429692356085\n ],\n [\n -147.3211669921875,\n 64.73429692356085\n ],\n [\n -147.3211669921875,\n 65.00026079026213\n ],\n [\n -148.326416015625,\n 65.00026079026213\n ],\n [\n -148.326416015625,\n 64.73429692356085\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a1ae4b07f02db606a25","contributors":{"authors":[{"text":"Nelson, Gordon L.","contributorId":55443,"corporation":false,"usgs":true,"family":"Nelson","given":"Gordon","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":182362,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":18503,"text":"ofr78869 - 1978 - Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Craig Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2024-03-25T18:54:55.311896","indexId":"ofr78869","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1978","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":"78-869","title":"Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Craig Quadrangle, Alaska","docAbstract":"These summaries of references are designed to aid in library research on metallic and nonmetallic (other than mineral fuels and construction materials) mineral occurrences in the Craig quadrangle, Alaska. All references to reports of the Geological Survey, to most reports of the U.S. Bureau of Mines, and to most reports of the State of Alaska Division of Geological and Geophysical Surveys and its predecessor State and Territorial agencies released before May 1, 1978, are summarized. Certain, mainly statistical, reports such as the annual Minerals Yearbook of the U.S. Bureau of Mines and the biennial and annual reports of the State of Alaska Division of Geological and Geophysical Surveys and its predecessor State and Territorial agencies are not included.
This report is divided into three parts: a section made up of summaries of references arranged alphabetically by occurrence name; a section that lists synonyms for names in the first section, claim names, and the names of operators and owners of mines and prospects; and a section that lists, by author, all references summarized in the first section.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr78869","usgsCitation":"Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Craig Quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-869, 261 p., https://doi.org/10.3133/ofr78869.","productDescription":"261 p.","costCenters":[],"links":[{"id":427033,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1978/0869/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":151575,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1978/0869/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Craig Quadrangle","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -134.667,\n 55\n ],\n [\n -132,\n 55\n ],\n [\n -132,\n 56\n ],\n [\n -134.667,\n 56\n ],\n [\n -134.667,\n 55\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db699008","contributors":{"authors":[{"text":"Cobb, Edward Huntington","contributorId":25916,"corporation":false,"usgs":true,"family":"Cobb","given":"Edward","email":"","middleInitial":"Huntington","affiliations":[],"preferred":false,"id":179245,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}