Description
Rapid River, Curve Creek, Camp Creek By C. L. Sainsbury. Lost River Valley, Tin Creek By C. L. Sainsbury And Thomas E. Smith
Commodities
PrimaryFluorine-Fluorite, Beryllium, Tin
SecondaryTungsten, Zinc, Copper, Molybdenum, Lead
TertiarySilver
Commodity typeB
Deposit
Deposit sizeY
WorkingsUnknown
Orebody formTABULAR
Ore controlThrust Faults, Dike Walls - Rapid River Thrust Fault Forms The Upper Boundary Of Many Deposits. Ore Is Deposited Along The Walls Of Lamprophyre Dikes.
Materials
Ore mineralsBertrandite, Beryl, Cassiterite, Chrysoberyl, Euclase, Fluorite, Galena, Helvite, Sphalerite, Stannite, Wolframite
Geology
Host rockLimestone,Granite · Limestones, Argillaceous Limestone, Dolomitized Limestone
Associated rockRhyolite,Granite · Lamprophyre And Rhyolitic Dikes;Granite Stocks
StructureMint River And Rapid River Thrust Faults, Normal Faults - 3 Sets. 1st Set Strikes N 65 - 85 Deg E And Dip Almost Vertically. 2nd Set Strikes N 20 - 60 Deg W. A Third Set Strikes Almost North. Lamprophyre Dikes Intrude The First Set.
Economic & production
Development statusProducer
First production1913
Discovery year1900
Identification
Deposit ID10069392
MRDS IDW006903
Alternate namesLost River Mine Area
RegionNA
Data scoreB
Coordinates65.41593, -167.17007
References
SAINSBURY, C.L., 1964, GEOLOGY OF LOST RIVER MINE AREA, ALASKA: USGS BULL. 1129, 80 P.SAINSBURY, C.L., 1969, GEOLOGY AND ORE DEPOSITS OF THE CENTRAL YORK MOUNTAINS, WESTERN SEWARD PENINSULA, ALASKA: USGS BULL. 1287, 101 P.1901 GEOLMAP COLLIER, A.J. AND HESS, F.L. (BULL. 733)1940 GEOLMAP MERTIE, J.B. JR, COATS, R.R. (BULL. 1129)1960 GEOLMAP SAINSBURY, C.L. (BULL. 1287)1964 DIREXPL U.S. BU MINESSAINSBURY, C.L., 1969, USGS BULL. 1287.SAINSBURY, C.L., 1969, USGS BULL. 1287. {{ HODGE, B.L., 1973, INDUSTRIAL MINERALS, 5/73, P. 13.