Metallic mineral deposits of southeastern Alaska

Berg, Henry C.; Decker, John; Abramson, Beth S.

doi:10.3133/ofr81122

Cited by 3 publications

(1 citation statement)

References 62 publications

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“…d) Purington (1905) gives volumes moved by man days for a variety of methods and areas in Alaska, including sluice and drift mining. 5. Some volumes were estimated from deposit length, width, and depth.…”

Section: Tota 1 Reported Gold Production For the Central Brooks Rangementioning

confidence: 99%

Geologic and grade-volume data on 330 gold placer deposits

Orris¹,

Bliss²

1985

Open-File Report

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Section: Tota 1 Reported Gold Production For the Central Brooks Rangementioning

confidence: 99%

Geologic and grade-volume data on 330 gold placer deposits

Orris¹,

Bliss²

1985

Open-File Report

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Significant metalliferous lode deposits and placer districts of Alaska

Nokleberg¹,

Bundtzen²,

Berg³

et al. 1987

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Metallogeny and major mineral deposits of Alaska

Nokleberg¹,

Bundtzen²,

Berg³

et al. 1988

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This report is a preliminary version of a chapter for the volume on Alaskan geology for the Decade of North American Geology (DNAG) by the Geological Society of America. This report is based on recent unpublished data on metalliferous mineral deposits of Alaska, and on recent and older published articles and summaries of Alaskan mineral deposits and regional geology. The unpublished data were contributed by mineral deposit and regional geologists in private industry, universities, the U.S. Geological Survey, the Alaska Division of Geological and Geophysical Surveys, the U.S. Bureau of Mines, and the authors. Data were also obtained for classification of metalliferous mineral deposits from mineral deposit geologists in the U.S. Geological Survey. The 54 contributors who gave freely of their data, with affiliations at the time of contribution, are: PREVIOUS STUDIES Since 1964, several statewide and regional summaries of Alaskan metalliferous lode and placer deposits have been published by the U.S. Geological Survey (USGS), and the Alaska Division of Geological and Geophysical Surveys (ADGGS). In 1964, the USGS published a map of placer gold occurrences in Alaska (Cobb, 1964); subsequently, they published a statewide summary of metalliferous lode deposits (Berg and Cobb, 1967) and a summary of Alaskan placer deposits (Cobb, 1973). In 1976 and 1977, the USGS published a series of regional tables, maps, and references for metalliferous deposits. These regional reports cover the Brooks Range (Grybeck, 1977), the Seward Peninsula (Hudson and others, 1977), central Alaska (Eberleln and others, 1977), and southern Alaska (MacKevett and Holloway, 1977a, b). In 1981, the USGS published a report on all known mines, prospects, deposits, and occurrences in southeastern Alaska (Berg and others, 1981), and in 1982 a series of regional mineral-terrane maps of Alaska, prepared by C.C. Hawley and Associates, showing the location, size, and type of major metalliferous mineral deposits, was published by the Arctic Environmental Information and Data Center (AEIDC, 1982). In 1981 and 1984, the USGS published reports summarizing the regional geology, metallogenesis, and mineral resources of southeastern Alaska (Berg and others, 1981; Berg, 1984). In recent years, a yearly listing of Alaskan lode and placer deposits has been published by the Alaska Division of Geological and Geophysical Surveys; the listing for 1985 is by Bundtzen and others (1986). CLASSIFICATION OF MINERAL DEPOSITS Metalliferous deposits discussed in this report are classified into 29 lode deposit and 4 placer deposit models or types, listed below and described in Appendix 1. For simplicity, some types are grouped under one heading. This classification was derived mainly from the mineral-deposit models developed by Erickson (1982), Cox (1983a, b), Cox and Singer (1986), and other works listed in Appendix 1. Of the 29 types of lode and placer deposits, four were newly formulated for this study: metamorphosed sulfide, Cu-Ag quartz vein, and felsic-plutonic U lode deposit...

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Metallic mineral deposits of southeastern Alaska

Cited by 3 publications

References 62 publications

Geologic and grade-volume data on 330 gold placer deposits

Geologic and grade-volume data on 330 gold placer deposits

Significant metalliferous lode deposits and placer districts of Alaska

Metallogeny and major mineral deposits of Alaska

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