Commodities
PrimaryGarnet
SecondaryGold
TertiaryPlatinum, Arsenic, Zinc, Lead, Copper
Commodity typeB
Deposit
Deposit typeStream Placer
Model119: Placer Au-PGE
Deposit sizeS
Orebody formSTREAM SEDIMENT DEPOSITS
Ore controlStream Hydraulics
Materials
Ore mineralsCorundum, Gold, Sperrylite
GangueBiotite, Bronzite, Cordierite, Monazite, Pyrite, Rhodolite, Rutile
Other materialsGarnet
Geology
Host rockGravel · Coweeta Group;Tallulah Falls Formation
Tectonic settingAppalachian Blue Ridge Province
Economic & production
Development statusPast Producer
Discovery year1894
Identification
Deposit ID10038133
MRDS IDM045419
Alternate namesMason Branch
RegionNA
Data scoreB
Coordinates35.25872, -83.37821
References
HIDDEN, W.E., AND PRATT, J.H., 1898, ON THE ASSOCIATED MINERALS OF RHODOLITE: AMERICAN JOURNAL OF SCIENCE, 4TH SERIES, V. 6, P. 463-468.KEMP, J.F., 1902, THE GEOLOGIC RELATIONS AND DISTRIBUTION OF PLATINUM AND ASSOCIATED METALS: U.S. GEOLOGICAL SURVEY BULLETIN 193, P. 34, 59.COOK, R.B., AND BURNELL, J.R., 1990, A GEOCHEMICAL INVESTIGATION OF THE MASON MOUNTAIN SPERRYLITE OCCURRENCE, MACON COUNTY, NORTH CAROLINA, IN COOK, R.B., ED., PROCEEDINGS OF THE SYMPOSIUM ON THE ECONOMIC MINERAL DEPOSITS OF THE SOUTHEAST: METALLIC ORE DEPOSITS: GEORGIA GEOLOGIC SURVEY BULLETIN 117, P. 163-176.NORTH CAROLINA GEOLOGICAL SURVEY, FILE DATA.