The Gold Basin District is a gold and silver mine located in Gunnison county, Colorado at an elevation of 8,701 feet.
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.
Mine Info
Elevation: 8,701 Feet (2,652 Meters)
Commodity: Gold, Silver
Lat, Long: 38.44083, -106.89389
Map: View on Google Maps
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Gold Basin District MRDS details
Site Name
Primary: Gold Basin District
Secondary: Patented Claim: Belle Flora
Secondary: Ms 1984
Secondary: Gold Basin area
Commodity
Primary: Gold
Primary: Silver
Secondary: Copper
Secondary: Zinc
Secondary: Lead
Location
State: Colorado
County: Gunnison
District: Gold Basin District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1886
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Gunnison Uplift, San Juan Volcanic Field, West Elk Centers
Type: L
Description: Gunnison Gold Belt, Iris Syncline, Unnamed Anticline, Gold Basin Stock
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Ordovician
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Galena
Gangue: Quartz
Gangue: Sericite
Gangue: Tourmaline
Gangue: Fluorite
Gangue: Calcite
Gangue: Biotite
Comments
Comment (Location): DISTRICT CONSISTS APPARENTLY OF ONLY ONE PATENTED CLAIM LYING ON HILLSIDE NE OF GOLD BASIN CREEK JUST BELOW DIVIDE BETWEEN STUBBS GULCH AND GOLD BASIN CREEK. PROSPECTS LIE IN S2 SE SEC. 06, NE SEC. 07, AND W2 NW AND SW SE SEC. 08. CLAIM ACCESSIBLE VIA ROAD UP GOLD BASIN CREEK DUE SOUTH FROM GUNNISON. ELEV AND LAT-LONG GIVEN ARE FOR PROSPECTS ON BELLE FLORA CLAIM ON LINE BETWEEN SECS. 07 AND 08. ; INFO FROM LAND.ST :1976
Comment (Commodity): METALS AND MINERALS LISTED ABOVE NOT DEFINITELY KNOWN IN THIS DISTRICT BUT ARE BASED ON PROBABLE SIMILARITY WITH THOSE IN GREEN MOUNTAIN DISTRICT.
Comment (Deposit): DISTRICT LIES DUE WEST OF GREEN MOUNTAIN DISTRICT. COUNTRY ROCK CONSISTS OF METASEDIMENTARY ROCKS (SCHIST, GNEISS, AND MIGMATITE) CONTAINING LAYERS, LENSES, AND OCCASIONALLY THICK SILLS AND DIKES OF AMPHIBOLITE (METAMORPHOSED GABBRO, BASALT, OR ANDESITE). SEQUENCE IS INTRUDED BY GOLD BASIN QUARTZ DIORITE STOCK, AND QUARTZ VEINS PROBABLY RELATED TO STOCK CUT DIORITE AND METASEDIMENTS. TREND OF STOCK LIES ALONG NNW-PLUNGING ANTICLINE. EAST-WEST-TRENDING CAMBRO-ORDOVICIAN DIABASE DIKE CUTS ACROSS QUARTZ DIORITE, METASEDIMENTS, AND AXIS OF ANTICLINE. NO DESCRIPTION OF TYPE OF MINERALIZATION HERE IS AVAILABLE, BUT IT IS BELIEVED TO BE POSTMETAMORPHIC, EPIGENETIC VEIN SIMILAR TO THOSE IN GREEN MOUNTAIN DISTRICT TO EAST. THERE, VEINS CONSIST OF QUARTZ-PYRITE+/-SERICITE+/-TOURMALINE+/-CALCITE+/-FLUORITE. DEPOSITS ARE SPATIALLY AND PROBABLY GENETICALLY RELATED TO GOLD BASIN STOCK.
Comment (Workings): SEVERAL SHAFTS OF UNKNOWN DEPTH; AT LEAST ONE TUNNEL DRIVEN GENERALLY NE, EXTENT UNKNOWN; SURFACE PROSPECTS.
Comment (Deposit): BECAUSE DISTRICT COMPRISES ONLY ONE PATENTED CLAIM, FOR WHICH NO DETAILED DESCRIPTION IS AVAILABLE AND FROM WHICH NO PRODUCTION WAS RECORDED, NO INDIVIDUAL RECORD WAS PREPARED. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): HEDLUND, D.C., AND OLSON, J.C., 1974, GEOLOGIC MAP OF THE IRIS NW QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1134.
Reference (Deposit): OLSON, J.C., 1976, GEOLOGIC MAP OF THE IRIS QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1286.
Reference (Deposit): HEDLUND, D.C., AND OLSON, J.C., 1981, PRECAMBRIAN GEOLOGY ALONG PARTS OF THE GUNNISON UPLIFT OF SOUTHWESTERN COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 267-272.
Reference (Deposit): DROBECK, P.A., 1979, GEOLOGY AND TRACE ELEMENT GEOCHEMISTRY OF A PART OF THE GUNNISON GOLD BELT, COLORADO: COLORADO SCHOOL OF MINES M.SC. THESIS T-2251.
Reference (Deposit): DROBECK, P.A., 1981, PROTEROZOIC SYNGENETIC MASSIVE SULFIDE DEPOSITS IN THE GUNNISON GOLD BELT, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 279-286.
Reference (Deposit): AFIFI, A.M., 1981, STRATIGRAPHY, PETROLOGY, AND STRUCTURE OF PRECAMBRIAN METAVOLCANIC ROCKS IN THE IRIS DISTRICT, GUNNISON AND SAGUACHE COUNTIES, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 287-292.
Reference (Deposit): BLM MINERAL SURVEY MS 1984
Colorado Mining Photos
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