Cobalt—Styles of Deposits and the Search for Primary Deposits

Cobalt--Styles of Deposits and the Search for Primary Deposits

By Murray W. Hitzman, Arthur A. Bookstrom, John F. Slack, and Michael L. Zientek

Open-File Report 2017?1155

U.S. Department of the Interior U.S. Geological Survey

U.S. Department of the Interior RYAN K. ZINKE, Secretary U.S. Geological Survey William H. Werkheiser, Deputy Director exercising the authority of the Director

U.S. Geological Survey, Reston, Virginia: 2017

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Suggested citation: Hitzman, M.W., Bookstrom, A.A., Slack, J.F., and Zientek, M.L., 2017, Cobalt--Styles of deposits and the search for primary deposits: U.S. Geological Survey Open-File Report 2017?1155, 47 p., .

ISSN 2331-1258 (online)

Contents

Slide Presentation ......................................................................................................................................... 1 Abstract ......................................................................................................................................................... 2 References Cited ......................................................................................................................................... 44

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Conversion Factors

International System of Units to U.S. customary units Multiply

centimeter (cm) millimeter (mm) meter (m) kilometer (km) meter (m)

gram (g) metric ton (t) metric ton (t)

By Length

0.3937 0.03937 3.281 0.6214 1.094 Mass

0.03527 1.102 0.9842

inch (in.) inch (in.) foot (ft) mile (mi) yard (yd)

To obtain

ounce, avoirdupois (oz) ton, short [2,000 lb] ton, long [2,240 lb]

Temperature in degrees Celsius (?C) may be converted to degrees Fahrenheit (?F) as ?F = (1.8 ? ?C) + 32.

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Abbreviations

Ag As Au Bi bn bt C CACB CCB Cl Co cob Congo (Kinshasa) cp cpy cr Cr Cu EEZ Fe hm IOCG Ma Mg mgt Mn MnS MVT Ni Os Pb PGE ppm py q Re REE saf to U VMS ZCB Zn

silver arsenic gold bismuth bornite biotite carbon Central African Copperbelt Congo Copperbelt chlorine cobalt cobaltite Democratic Republic of the Congo chalcopyrite (appears in this form on page 22 only; elsewhere, cpy) chalcopyrite carrollite chromite copper exclusive economic zone iron hematite iron oxide-copper-gold mega-annum magnesium magnetite manganese alabandite Mississippi Valley-type nickel osmium lead platinum-group element part per million pyrite quartz rhenium rare-earth element safflorite toumaline uranium volcanogenic massive sulfide Zambian Copperbelt zinc

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