Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit typeSTREAM PLACER
Model119: Placer Au-PGE
Deposit sizeS
Ore controlPLACER: STREAM BEDS LODE: BEDDING PLANES, SHEAR ZONES, LOW-ANGLE THRUST FAULTS
Geology
StructureBROAD NORTHEAST-TRENDING ANTICLINAL FOLD, CUT BY MANY FAULTS. THE UCELLY (REVERSE) AND MCCOMBER (NORMAL) FAULTS, IN THE WESTERN PART OF DISTRICT, AND THE MURRAY PEAK IN THE EAST; THE DIP DISPLACEMENT IS SEVERAL THOUSAND FEET., DEFORMATION CONSISTS OF BROAD FOLDS THAT TREND GENERALLY TO THE NORTH WEST AND INTENSE DEFOMATION AROUND THE MAJOR FAULTS. SERIES OF NORTHWEST-TRENDING FAULTS ("LEWIS AND CLARK LINE"). THE OSBURN FAULT RUNS THROUGH THIS DISTRICT, WHERE THE ROCKS ON THE NORTH HAVE A DISPLACEMENT OF 12 MILES EASTWARD RELATIVE TO THE SOUTH SIDE.
Economic & production
Development statusPast Producer
First production1883
Discovery year1879
Identification
Deposit ID60001033
MRDS IDMP90024
RegionNA
Data scoreD
Coordinates47.61657, -115.91773
References
KOSCHMANN, A.H., AND BERGENDAHL, M.H., 1968, PRINCIPAL GOLD-PRODUCING DISTRICTS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 610, 283 P.SHENON, PHILIP J., 1938, GEOLOGY AND ORE DEPOSITS NEAR MURRAY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET NO. 47, 44 P.MINERAL AAND WATER RESOURCES OF IDAHO, 1964