The Silver Blossom Prospect is a manganese mine located in Harney county, Oregon.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Primary Mineral: Manganese
Lat, Long: 43.8975, -119.01167
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Silver Blossom Prospect MRDS details
Site NamePrimary: Silver Blossom Prospect
Land StatusAdministrative Organization: Malheur Natioal Forest
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Deposit Size: S
PhysiographyGeneral Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Harney Section
Mineral Deposit Model
Description: North-South Trending Rhyolite Dikes.
|Comment: CENTER N 1/2|
|Comment: LOCATION CUTS, ONE LARGE OPEN CUT. OLD TUNNEL CAVED 30 FT. BELOW CUTS.|
|Comment: RIMROCK OF PORPHYRITIC ANDESITE (HARNEY SERIES?) OVERLIES GREEN AND YELLOW TUFFS (CLARNO?). ; GEOL.DESC: BENCH CAPPINGS OF RIVER GRAVELS.|
|Comment: EXPOSURES ARE VERY SPOTTED, WITH ONLY SMALL PATCHES VISIBLE.|
|Comment: SECONDARY MINERALIZATION; CONSISTS OF CONCENTRATION OF MANGANESE AS SILICEOUS BOTRYOIDAL OXIDE DEPOSITS.|
Reference Category: Deposit
Reference: LIBBEY, F.W., ETAL., 1942 , MANGANESE IN OREGON: ODGMI BULL 17 , P. 61