Mine detail: Mary Margaret

Previously called 'Coxcomb'

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Location

Lat / long: 62.16334, -154.8759

Resource(M)

Primary: Mercury
Ore: Cinnabar, Stibiconite, Stibnite
Gangue: Calcite, Quartz

Production

Operation type: Unknown
Development status: Prospect

Geology

Host type:Limestone
Alteration processes:Oxidation of stibnite mineralization to stibiconite.

References

MRDSA015039
DEP10002602
Reference{Deposit:: Sainsbury, C.L. and MacKevett, E.M., Jr., 1965, Quicksilver deposits of southwestern Alaska: U.S. Geological Survey Bulletin 1187, 89 p.}{Deposit:: Maloney, R.P., 1967, Investigations of the White Mountain mercury deposit, Kuskokwim River basin, Alaska: U.S. Bureau of Mines Report of Investigations 6892, 94 pages.}{Deposit:: Gilbert, W.G., 1981, Preliminary geologic map of the Cheeneetnuk River area, Alaska: Alaska Division of Geological and Geophysical Surveys Open-File Report 153, 19 pages, 2 sheets, 1:63,360 scale.}{Deposit:: Blodgett, R.B., and Gilbert, W.G., 1983, The Cheeneetnuk Limestone, a new Early(?) to Middle Devonian formation in the McGrath A-4 and A-5 quadrangles, west-central Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 85, 6 pages, one sheet, 1:63,360 scale.}{Deposit:: Bundtzen, T.K., Harris, E.E., and Gilbert, W.G., 1997, Geologic Map of the eastern McGrath quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigations 97-14, 34 pages, one sheet, scale 1:125,000.}
ReporterT.K. Bundtzen