Preston Gold Mine (Bismuth; Chloride; Mother; Dr. Emma; Judge; Major), Silver Cliff Mining District, Custer County, Colorado, USAi
| Regional Level Types | |
|---|---|
| Preston Gold Mine (Bismuth; Chloride; Mother; Dr. Emma; Judge; Major) | Mine |
| Silver Cliff Mining District | Mining District |
| Custer County | County |
| Colorado | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 8' 60'' North , 105° 27' 0'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Silver Cliff | 591 (2017) | 1.7km |
| Westcliffe | 577 (2017) | 2.2km |
| Crestone | 139 (2017) | 27.7km |
| Rockvale | 498 (2017) | 34.9km |
| Coal Creek | 341 (2017) | 35.3km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Canon City Geology Club | Canon City, Colorado | 37km |
Mindat Locality ID:
112250
Long-form identifier:
mindat:1:2:112250:6
GUID (UUID V4):
414c2875-96e6-453a-a3dc-bac6f55168d3
REF:Deposit:: SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.
Deposit:: COLORADO DIVISION MINES, 1981, INSPECTION RECORDS
Commodities (Major) - Gold, Silver
Development Status: Past Producer
Structure: Concentric Faults And Fractures, Rosita Volcanic Center, Wet Mtns
Host Rock: Latite, Porphyry, Sedimentary Breccia, Trachyte
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
3 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 Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| β Muscovite var. Illite Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| β Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| β | Acanthite | 2.BA.35 | Ag2S |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| β | Muscovite var. Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| β | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | β Quartz | SiO2 |
| Al | Aluminium | |
| Al | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | β Quartz | SiO2 |
| S | Sulfur | |
| S | β Acanthite | Ag2S |
| K | Potassium | |
| K | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ag | Silver | |
| Ag | β Acanthite | Ag2S |
Other Regions, Features and Areas containing this locality
North America
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Great Plains DomainDomain
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