Description
Hans Halverson
Commodities
PrimaryMercury
SecondaryAntimony
Commodity typeM
Deposit
Deposit sizeM
WorkingsSurface/Underground
Orebody formPINCH AND SWELL, OTHER: PRISMATIC
Ore controlOre Localized In Dike-Fault Intersections Plunging 40 Degrees S
Materials
Ore mineralsCinnabar, Stibnite
GangueOrpiment, Quartz, Realgar
Geology
Host rockSiltstone · Kuskokwim Group;Kuskokwim Group;;;
StructureDeposit On Sw Limb Of Sleetmute Anticline., Bedding Strikes N 10 Degrees-60 Degrees W, Dips 45 Degrees-60 Degrees Sw; Dikes Strike N 50 Degrees-75 Degrees E, Dip 40 Degrees-65 Degrees Se
AlterationDikes Altered To Silica-Carbonate Rock By Hydrothermal Alteration.
Economic & production
Development statusPast Producer
First production1933
Last production1971
Discovery year1933
Identification
Deposit ID10101003
MRDS IDA013443
Alternate names9 Unpatented Claims: Kusko No. 1-5, Red Devil Nos. 1-4
RegionNA
Data scoreB
Coordinates61.76022, -157.31646
References
USGS B 1142-G (1963)USGS OF 76-606, P. 47-50 (1976)USBM OFR 9-85, P. 166-171, MAP NO. 28 (1985)USBM RI 4065, P. 9-18 (1947)USGS MF-368, LOC. 11 (1972)USGS P 268, P. 108-110, PLATE 4 (1955)ADGGS ALASKA MINES & GEOLOGY, JAN. 1982, VOL. 31, NO. 1, P. 1-4BAG-B-1142-G-PL-2USBM OFR 9-85, P. 169