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2 edition of Trace-element data for rock samples from the Bradfield Canal quadrangle, southeastern Alaska found in the catalog.

Trace-element data for rock samples from the Bradfield Canal quadrangle, southeastern Alaska

Trace-element data for rock samples from the Bradfield Canal quadrangle, southeastern Alaska

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Published by The Survey in [Reston, Va.?] .
Written in English

    Subjects:
  • Rocks -- Analysis.,
  • Geochemistry -- Alaska.

  • Edition Notes

    Statementby R.D. Koch ... [et al.] ; United States Department of the Interior, Geological Survey.
    SeriesOpen-file report -- 80-910 A., Open-file report (Geological Survey (U.S.)) -- 80-910 A.
    ContributionsGeological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18023677M

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Trace-element data for rock samples from the Bradfield Canal quadrangle, southeastern Alaska Download PDF EPUB FB2

Data from rock samples collected by U.S. Bureau of Mines engineers at selected prospects in the Bradfield Canal quadrangle are reported in Koch and others (). Analytical data from rock and stream-sediment samples collected in the Ketchikan and Prince Rupert quadrangles, south of the Bradfield CanalAuthor: R.D.

Koch, R.L. Elliott, R. O'Leary, D.A. Risoli. UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY RACE-ELEMENT DATA FOR ROCK SAMPLES FROM THE BRADFIELD CANAL QUADRANGLE, SOUTHEASTERN ALASKA R.

Koch, and R. Elliot. UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY TRACE-ELEMENT DATA FOR ROCK SAMPLES FROM THE BRADFIELD CANAL QUADRANGLE, SOUTHEASTERN ALASKA. Koch, and R. Elliott Middlefield Road Menlo Park, California : R.D.

Koch, R.L. Elliott, R. O'Leary, D.A. Risoli. Get this from a library. Trace-element data for rock samples from the Bradfield Canal quadrangle, southeastern Alaska. [Geological Survey (U.S.);].

sediment geochemical samples collected in the Ketchikan and Prince Rupert quadrangles and from the rock, stream-sediment, and heavy-mineral concentrate samples from the Bradfield Canal quadrangle are available on magnetic computer tapes (Koch, Van Trump, and McDanal, ; Koch, O'Leary, and Risoli, ).Cited by: 2.

Major and Trace-Element Data from Stream-Sediment and Rock Samples Collected in the Taylor Mountains ,Scale Quadrangle, Alaska. Open-File Report Liss, S.A., and Wiltse, M.A.,United States Geological Survey Alaska Mineral Resource Appraisal Program (AMRAP) geochemical data for Bradfield Canal Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Public Data File G, 6 p.

Maps on this and the accompanying sheets show the amounts of lead (Pb) detected in all geochemical samples collected in the Bradfield Canal quadrangle. Lead analyses for most samples were done by both the 6-step spectrographic and the atomic-absorption methods.

Map showing analyzed samples in parts of the Ketchikan, Bradfield Canal, and Prince Rupert quadrangles, southeastern Alaska. United States Geological Survey, Miscellaneous Field Studies Map MF Ne~sletter No. 35 page 2 Analytical methods of the two disciplines overlap.

Methods for determination of many of the less common elements, such as Se and Cdy have been developed and used widely in environmental research and deserve attention by exploration geochemists.

Major- and trace-element concentrations in rock samples collected in from the Taylor mountains ,scale quadrangle, Alaska.

rock geochemistry samples collected during the field season were analyzed using the ICP-AES/MS42, ICP-AES10, fire assay, and cold vapor atomic absorption methods. Info. ,scale quadrangle, Alaska Cathrall and other () reported 1 ppm Ag in a rock sample (sample southeastern Alaska book 75 RR ).

References: Cathrall and others, ; Proffett, ; Brosgé and others, ; Menzie and others, Alaska Resource Data File.

Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska. Open-File Report A. By: Richard D. Koch. Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska: Series title: Open-File Report: Series number: Chapter: A: DOI: /ofrA: Edition-Year Published: Major- and trace-element concentrations in rock samples collected in from the Taylor mountains ,scale quadrangle, Alaska Alaska.

Trace-element data for rock samples from the Bradfield Canal quadrangle Analysis of rock samples, with photos of sample localities.

Bradfield Canal, and Sitka quadrangles, southeastern Alaska. Trace-element data for stream-sediment heavy-mineral concentrate samples from the Bradfield Canal quadrangle, southeastern Alaska (Book).

Online Spatial Data Catalog Major- and trace-element concentrations in rock samples collected in from the Taylor mountains ,scale quadrangle, Alaska. Alaska Division of Geological & Geophysical Surveys (DGGS) personnel collected rock samples while mapping the bedrock geology along a mile-wide swath following the Alaska Highway between Delta Junction and the eastern edge of the Mount Hayes quadrangle near Dot Lake, Alaska.

Interpretive information that needs to be released immediately; maps and reports (and their supporting data) that need to be released as supporting documentation because they are referenced, discussed, or interpreted in another information product; preliminary findings (pending a final map or report); interim computer programs and user guides; bibliographies.

MP Mulliken, K.M., Schaefer, J.R., and Cameron, C.E.,Geospatial distribution of tephra fall in Alaska: a geodatabase compilation of published tephra fall occurrences from the Pleistocene to the present: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication46 p.

Geology of the North Bradfield River Iron Prospect, Southeastern Alaska: Usgs Bulletin D [Mackevett, E. M., Blake, M. C.] on *FREE* shipping on qualifying offers.

Geology of the North Bradfield River Iron Prospect, Southeastern Alaska: Usgs Bulletin DAuthor: M. Blake. The ,scale quadrangle in the Taylor Mountains (TA) ,scale quadrangle sample was collected in. A few samples in this data set were collected just outside the Taylor Mountains quadrangle boudary in the Lake Clark (LC) and Dillingham (DI) ,scale quadrangles.

Geochemistry of soils in the US from the RASS database. Geochemical data for soils collected by USGS personnel and analyzed by the USGS. These data were originally entered into the Rock Analysis Storage System (RASS), a database that is. Maps showing the distribution of anomalous amounts of selected elements found in more than 1, stream-sediment and more than 1, rock samples have been prepared form results of semiquantitative spectrographic analyses.

The samples were collected in the Eagle quadrangle, east-central Alaska, in the summers of,and Trace Element Data for Stream-Sediment Heavy-Mineral Concentrate Samples from the Bradfield Canal Quadrangle, Southeastern Alaska. U.S. Geol. Surv. Open File Rep. C,53 pp.

Analysis of stream-sediment and rock samples from parts of the Eagle quadrangle, east central Alaska Open-File Report By: Helen Laura Foster and M.E. Yount. Analytical Data of Stream-Sediment and Heavy-Mineral-Concentrate Samples Collected from the Buckstock Mountains and Surrounding Areas, Sleetmute Quadrangle, Southwest Alaska: Open-File Report A [Gray, J.

E., U.S. Department of the Interior, United, et al.] on *FREE* shipping on qualifying offers. Analytical Data of Stream-Sediment and Heavy-Mineral-Concentrate Samples Author: J. Gray. Analyses of samples and preliminary geologic summary of barite- silver-base metal deposits near Glacier Creek, Skagway B-4 quadrangle, southeastern Alaska Open-File Report Alaska Resource Data File, Baird Mountains Quadrangle: USGS Open-File Report [Anita Williams] on *FREE* shipping on qualifying offers.

The United States Geological Survey (USGS) is a scientific organization created inand is part of the U.S. government. Their scientists explore our environment and ecosystemsAuthor: Anita Williams.

Additional analytical data for samples collected in the Mount Hayes Quadrangle in the summers of and were published in a separate report (Solie and others, ). During the field seasons covered by this report, rock samples were collected for geochemical trace -element analysis, and rock samples were collected for.

,scale quadrangle, Alaska rock samples also contain anomalous tin, zinc, copper, and lead, as well as up to Alaska Resource Data File Page 42 east central Arctic Slope along the Dalton Highway, Yukon River to Prudhoe Bay, Alaska: Alaska Division of Geological and Geophysical Surveys Guidebook 7, 2 v., p., 2 sheets.

Alaska Resource Data File Page 3 white and gray quartz with enclosed cinnabar along a vertical N 30 E-striking fault zone. A composite sample of three, 3- to 6-inch-thick high grade lenses contained pounds of Hg per ton.

Arsenic, up to 18 percent or more, is present in all samples. Sample locality maps, analytical data, and statistical summary of analyses of rock samples from the Mount Katmai quadrangle and adjacent portions of the Naknek and Afognak quadrangles, Alaska. This record is maintained in the National Geologic Map Database (NGMDB).

The NGMDB is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information, developed according to standards defined by the cooperators, i.e., the USGS and the Association of American State Geologists (AASG).Publish Year: Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska.

United States Geological Survey, Open-file Report 8 1. Alaska Resource Data File ,scale quadrangle, western Alaska This and related reports are accessible through the USGS World Wide Web site rock fragments (Brooks and others, ). Sainsbury and others () show 1, feet of the drainage to have been placer mined.

This mine is near a regional fault contact be. Unnamed Prospect (ARDF - BC; near Cone Mountain), Petersburg Mining District, Wrangel City and Bourough, Alaska, USA: Location: This prospect is about mile south-southwest of Cone Mountain; it is at an elevation of about 3, feet near the northeast corner of T.

62 S., R. 88 E. The location is probably. Alaska Resource Data File ,scale quadrangle, southcentral Alaska This and related reports are accessible through the USGS World Wide Web site foot wide chip sample across all three zones contained % copper and 18 ppm silver (Nelson and others, ).

Other limonite-stained rock are exposed in this area. A prospectivity map for rare earth element (REE) mineralization at the Bokan Mountain peralkaline granite complex, Prince of Wales Island, southeastern Alaska, was calculated from high-resolution.

Preliminary geologic map of southeastern Alaska,Mineral Investigation Field Studies Map of the United States, MF [USGS.] on *FREE* shipping on qualifying offers. Preliminary geologic map of southeastern Alaska,Mineral Investigation Field Studies Map of the United StatesAuthor: USGS.

LUXDGREX: ALASKA WATER POWERS 35 THE ARMOUR ENGINEER 36 Along adjacent watersheds. the west- coast [Nov., and Dixon Entrance, because of the direct winds of the Pacific, the rainfall is high, ranging from inches a year at Ketchikan to 85 inches at Sitka.

In passing inland it decreases, and at Skagway is only 23 inches. The study area is underlain predominantly by granitoid rocks of the Sierra Nevada batholith.

Metamorphic rocks are present in roof pendants mainly in the southwest corner of the study area and consist of quartz-biotite schist, phyllite, quartzite, marble, calc [email protected]{osti_, title = {Tonalite and trondhjemite plutonism in the western Chugach Mountains, so.

Alaska: an example of near trench magmatism}, author = {Monteverde, D. and Pavlis, T.}, abstractNote = {In the northern Chugach Mountains of southern Alaska a suite of granitoid plutons were emplaced in a near-trench setting in mid-Early Cretaceous time.Paused You're listening to a sample of the Audible audio edition.

Learn more Flat Rock (Alabama) Quadrangle, USGS minute topo map Unknown Binding – Manufacturer: United States Geological Survey.