Free Coinage Mine, Lone Cone Mining District (Dunton Mining District), Dolores County, Colorado, USAi
| Regional Level Types | |
|---|---|
| Free Coinage Mine | Mine |
| Lone Cone Mining District (Dunton Mining District) | Mining District |
| Dolores County | County |
| Colorado | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 45' 48'' North , 108° 6' 10'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Rico | 255 (2017) | 10.1km |
| Ophir | 169 (2017) | 25.9km |
| Mountain Village | 1,395 (2017) | 28.6km |
| Telluride | 2,399 (2018) | 32.0km |
| Silverton | 637 (2011) | 38.9km |
Mindat Locality ID:
112418
Long-form identifier:
mindat:1:2:112418:0
GUID (UUID V4):
00a1a00b-4701-46dd-9e58-0bcc1295f49b
REF:Deposit:: BUSH, A.L., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE DOLORES PEAK QUADRANGLE, DOLORES AND SAN MIGUEL COUNTIES, COLORADO: USGS MAP GQ-536.
Deposit:: BASTIN, E.S., 1922, SILVER ENRICHMENT IN THE SAN JUAN MOUNTAINS, COLORADO: USGS BULL. 735
Commodities (Major) - Silver, Gold; (Minor) - Copper, Lead; (Trace) - Zinc
Deposit Type: Vein
Development Status: Occurrence
Deposit Model: 85: Polymetallic veins
Host Rock Unit: Cutler Formation, Dolores Formation
Structure: Rico Dome, Dunton Syncline, Emma Fault, San Juan Uplift, Paradox Basin
Host Rock: Sandstone, Shale, Siltstone
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
7 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| β Acanthite Formula: Ag2S |
| β Chalcopyrite Formula: CuFeS2 |
| β Galena Formula: PbS |
| β Polybasite Formula: [Ag6Sb2S7][Ag9CuS4] |
| β Pyrargyrite Formula: Ag3SbS3 |
| β Quartz Formula: SiO2 |
| β Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| β | Acanthite | 2.BA.35 | Ag2S |
| β | Sphalerite | 2.CB.05a | ZnS |
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Galena | 2.CD.10 | PbS |
| β | Pyrargyrite | 2.GA.05 | Ag3SbS3 |
| β | Polybasite | 2.GB.15 | [Ag6Sb2S7][Ag9CuS4] |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | β Quartz | SiO2 |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| S | Sulfur | |
| S | β Acanthite | Ag2S |
| S | β Chalcopyrite | CuFeS2 |
| S | β Galena | PbS |
| S | β Polybasite | [Ag6Sb2S7][Ag9CuS4] |
| S | β Pyrargyrite | Ag3SbS3 |
| S | β Sphalerite | ZnS |
| Fe | Iron | |
| Fe | β Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Cu | β Polybasite | [Ag6Sb2S7][Ag9CuS4] |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
| Ag | Silver | |
| Ag | β Acanthite | Ag2S |
| Ag | β Polybasite | [Ag6Sb2S7][Ag9CuS4] |
| Ag | β Pyrargyrite | Ag3SbS3 |
| Sb | Antimony | |
| Sb | β Polybasite | [Ag6Sb2S7][Ag9CuS4] |
| Sb | β Pyrargyrite | Ag3SbS3 |
| Pb | Lead | |
| Pb | β Galena | PbS |
Other Regions, Features and Areas containing this locality
North America
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Great Plains DomainDomain
USA
- Colorado PlateauPlateau
- San Juan MountainsMountain Range
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