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Tuesday, July 28, 2020 | History

3 edition of Maps of anomalous trace metals in rocks and stream-sediment pebbles of the Wiseman 1 found in the catalog.

Maps of anomalous trace metals in rocks and stream-sediment pebbles of the Wiseman 1

John B. Cathrall

Maps of anomalous trace metals in rocks and stream-sediment pebbles of the Wiseman 1

by John B. Cathrall

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  • 25 Currently reading

Published by U.S. Dept. of the Interior, Geological Survey in [Reston, Va.?] .
Written in English

    Subjects:
  • Trace elements -- Analysis -- Maps.,
  • Sediments (Geology) -- Alaska -- Brooks Range.

  • Edition Notes

    Statementby John B. Cathrall, John T. Dillon, and Barbara Chazin.
    GenreMaps.
    SeriesOpen-file report -- 84-161-B., Open-file report (Geological Survey (U.S.)) -- 84-161-B.
    ContributionsDillon, John T., Chazin, Barbara., Geological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15337971M

      The OGS completed a Figure 1. Location map of the Elliot Lake–Sault Ste. Marie survey area. 2 regional stream sediment survey in , which identified kimberlite, base and precious metal indicator minerals within bulk (>10 kg) samples of modern alluvium (Reid ). Preliminary digital classification map of limonitic rocks, The Tetons 7 1/2' quadrangle, Utah, , Open-File Report Stream sediment sampling within the John Muir Wilderness, California, , Open-File Report Assessment of river quality as related to the distribution and transport of trace metals and organic substances.

    Rhenium and other trace elements in molybdenite from the Christmas Mine area, Gila County, Arizona, , Open-File Report Map showing stream-sediment samples in the West Chicagof-Yakobi Wilderness Study Area, Sitka quadrangle, southeastern Alaska, , Open-File Report M Sample location map and analytical data for rock. 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.

    Geological Survey (U.S.): Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Sacatar Meadows Wilderness Study Area (CA), Tulare County, California / ([Denver, CO]: U.S. Geological Survey, ), also by . A second framework paper provides a map, rock descriptions, and chemical compositions of volcanic rocks in a newly recognized, ing stream-sediment geochemical anomalies to their source (Duttweiler, ). 5. pulps from this data set were also analyzed for trace elements by X-ray fluorescence (XRF) to confirm suspected interference.


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Maps of anomalous trace metals in rocks and stream-sediment pebbles of the Wiseman 1 by John B. Cathrall Download PDF EPUB FB2

Maps of anomalous trace metals in rocks and stream-sediment pebbles of the Wiseman 1° x 3° quadrangle, Brooks Range, Alaska Author: John B Cathrall. Maps of anomalous trace metals in rocks and stream-sediment pebbles of the Wiseman 1 degree by 3 degrees Quadrangle, Brooks Range, Alaska,Open-File Report B Bibliography of U.S.

Geological Survey reports on coal drilling and geophysical logging projects, and related reports on geologic uses, Powder River Basin, Montana and Wyoming. mf e / trmap of anomalous rock samples and histograms of trace metals in the rocks of the survey pass quadrangle, brooks range, alaska, $ 10 mf f / mineral deposit map of the survey pass quadrangle, brooks range, alaska, $ 10 mf h / interpretation of lansat imagery of the survey pass quadrangle, brooks range, alaska, $ The trace metals included in this investigation are: vanadium, chromium, molybdenum, cobalt, nickel, copper, zinc, cadmium, lead and arsenic.

identification of sites with anomalous metal. 1. Introduction. Among the surface materials important for studying secondary geochemical halos, stream-sediments have a significant place in small-scale and medium-scale investigations (Levinson, ).Geochemical surveys using multi-element analysis on stream sediments are widely used to describe the geochemical characteristics of a watershed, to identify areas with anomalous Cited by: 3.

To recognize anomalous patterns in stream sediment geochemical data that are closely associated with mineralization, 18 geochemical elements were used to construct 17 balances by means of the CoBA.

The variety of alternative sample types from stream sediment that has been found useful for exploration ranges from the collection of mineralized pebbles (Erickson et al., ) or pebbles coated with Fe and Mn oxides (Carpenter et al., ; Hale et al., ) to the isolation and analysis of a single mineral phase such as R.T.

Ottesen and EK. Pebble West zone (waters, sediments, and soils). At Pebble West, the four low pH ponds (−) with associated high metal and sulfate contents reflect an undisturbed naturally acidic and. A total of samples from a subset of stream sediment geochemical data (from thescale Varzaghan sheet) have been collected during a regional geochemical survey by the Geological Survey of Iran ().

The stream sediment samples were of minus mesh-size fraction with sample density of ~1 sample per 2 km 2. The samples were. In this chapter, geochemical exploration methods refer to the use of chemical properties of naturally occurring substances (including rocks, glacial debris, soils, stream sediments, waters, vegetation, and air) to find economic deposits of metals, minerals, and hydrocarbons.

1 Geochemical exploration methods are mainly based on observations of. As concentrações de Mn nos sedimentos de corrente variaram de 0,1 a -1, apresentando uma concentração média de -1 (Tabela 1), 2,6 vezes maior que a média da crosta. Altered and mineralized rock samples confirm local bedrock sources of anomalous metals.

Rocks from within and in the vicinity of the Orange Hill and Bond Creek deposits contain high Cu, Mo, and Au concentrations (median concentrations of ppm, 18 ppm, and 13 ppb, respectively), consistent with chalcopyrite and molybdenite observed in hand. 1. Introduction. Although soil geochemical surveys have been successfully used in exploration for a variety of mineral deposits, including porphyry copper and volcanogenic massive sulfide deposits (Fletcher et al.,Levinson,Salminen, ), less attention has been given to the detailed geochemical soil surveys employing composite geochemical halos associated with carbonate.

Major- and trace-element analyses of 29 Anglesey carbonates are presented, with analyses of trace elements in detrital fractions of 12 selected carbonate of Geology & Mineral.

The largest area of gold-anomalous soils extends at least 2, feet by 3, feet; limited rock sampling yielded assays of up to opt gold. East of Shepherd Creek, multiple gold-anomalous stream sediment and rock samples indicate further possible gold mineralization associated with intrusive rocks.

image All images latest This Just In Flickr Commons Occupy Wall Street Flickr Cover Art USGS Maps. Metropolitan Museum. Top Full text of "Petrology Of The Igneous Rocks" See other formats. FIGURE 1. Index map of Alaska showing location of Wiseman and Chandalar quadrangles and of areas of figures 2, 4, and 9 2.

Map showing stream-sediment sample localities and generalized geologic map 3. Map showing gold in stream-sediment, rock, and soil samples from Wiseman-Chandalar region of rock, soil, glacial debris, stream sediment, water, or plants. The chemical property most commonly measured is the content of a key “trace” element.

The purpose is to discover zones in the soils or rocks that contain comparatively high concentrations of particular elements that will guide the prospector to a.

The composition, structure and formation features of the exogenous anomalous geochemical fields (AGFs) identified by lithochemical stream sediments (LSSs) are considered using the examples of the Dukat gold–silver ore-forming system and the deposit with the same name.

The research was carried out in the Balygychan–Sugoy trough (Magadan region, north–east of Russia). GPR Burns, L.E., Graham, G.R.C., Barefoot, J.D., SIAL Geosciences, Inc., and On-line Exploration Services, Inc.,Koyukuk electromagnetic and magnetic.

Detra, D. E. Motooka, J. M., and Cathrall, J. S.,Supplemental analytical results and sample locality map of stream-sediment and heavy-mineral-concentrate samples from the Craig study area, Dixon Entrance, Ketchikan, and Prince Rupert quadrangles, Alaska: U.S.

Geological Survey Open-File Report A, 16 p., 1 sheet, scale ,The importance of ichnology to the fields to genetic stratigraphy, paleontology, and sedimentology stems largely from the following characteristics displayed by trace fossils: (1) their long temporal ranges which, although a disadvantage in high-resolution biostratigraphy, greatly facilitates paleoecological comparisons of rocks that differ in age; (2) narrow facies ranges for many ichnogenera.image All images latest This Just In Flickr Commons Occupy Wall Street Flickr Cover Art USGS Maps.

Metropolitan Museum. Top NASA Images Solar System Collection Ames Research Center. Brooklyn Museum. Full text of "Geology and gold mineralization of the Nolan area in the Brooks Range, Alaska".