Commodities
PrimaryTin
SecondaryCopper, Uranium, Zinc, Lead
TertiaryGold, Silver, Antimony, Tungsten
Commodity typeM
Deposit
Deposit sizeN
Ore controlGranite/Limestone Contact
Materials
Ore mineralsCassiterite, Chalcocite, Chalcopyrite, Cinnabar, Galena, Malachite, Scheelite, Sphalerite, Stannite, Stibnite
Geology
Host rockSchist,Limestone · Ear Mountain Stock;;;
Tectonic settingIntermediate Depth Sn-Granite System
AlterationCalc-Silicate Alteration: Early Pyroxene-Plag.-Scapolite Hornfels, Later Stage Fine Grained Skarn With Subequal Pyroxene-Idocrase-Garnet, Cross-Cut By Coarse-Grained Tourmaline-Garnet-Quartz-Sulfide Adjacent To Tourmaline And Fluorite-Bearing Granite.
Economic & production
Development statusOccurrence
Discovery year1904
Identification
Deposit ID10094095
MRDS IDA016024
Alternate namesWinfield Shaft, Patented Claims: Surprise, Chloride Fraction, Granite
RegionNA
Data scoreB
Coordinates65.94291, -166.20902
References
USGS BULLETIN 358, P. 9, 25-32.USGS BULLETIN 733, P. 103-111.USGS BULLETIN 1024-C, P. 65-70, 86-92.USBM RI 5493, P. 2-3, 8, 11, 13, 17, 19, 21, 33-52.USGS CIRCULAR 479, P. 14-15.USGS OFR 77-796-B, P. 7, LOC. 49, 52.GSA ABSTRACTS WITH PROGRAMS, V. 19, NO. 6, P. 374.GSA ABSTRACTS WITH PROGRAMS, V. 19, NO. 6, P. 368.USGS BULLETIN 1786 (IN PRESS), LOC. SP4.GSA BULLETIN, V. 94, NO. 6, P. 769-774.BAG-MF-426-14