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Porphyry from
Boulder Group (Boulder Ridge Mining Company; Cobalt Gold Mines Inc.), Quartzburg Mining District (Comer Mining District), Grant County, Oregon, USA


Classification
Type:Porphyry
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Porphyry data
Locality Data:Click here to view Boulder Group (Boulder Ridge Mining Company; Cobalt Gold Mines Inc.), Quartzburg Mining District (Comer Mining District), Grant County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:1054866
Long-form Identifier:1:3:1054866:0
GUID (UUID V4):0
Nearest other occurrences of Porphyry
22.2km (13.8 miles) ⓘPorphyry Mill Claims, Susanville Mining District (Comer Mining District), Grant County, Oregon, USA
44.0km (27.4 miles) ⓘPioneer Prospect (Alkali Springs; Hereford Antimony Prospect), Upper Burnt River Mining District, Baker County, Oregon, USA
72.6km (45.1 miles) ⓘMammoth Group (Black Eagle Mine), Malheur Mining District (Mormon Basin Mining District), Malheur County, Oregon, USA
79.2km (49.2 miles) ⓘSilver Blossom Prospect, Silvies, Harney County, Oregon, USA
86.1km (53.5 miles) ⓘIndiana Mine, Rye Valley Mining District (Mormon Basin Mining District), Baker County, Oregon, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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