| Deposit ID | 10097847 |
|---|---|
| MRDS ID | D009280 |
| MAS/MILS ID | 0080830080 |
| Record type | Site |
| Current site name | Missouri Girl Mine |
| Alternate or previous names | Missouri Girl Deposit |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -108.17954, 37.5789 (WGS84) |
| Elevation | 2499 |
| Location accuracy | 500(meters) |
| Relative position | 27 MILES N38W FROM DURANGO |
Political divisions (FIPS codes)
Montezuma(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Wallace Ranch(quadrangle 1:24,000 scale)
Dove Creek(quadrangle 1:100,000 scale)
Cortez(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Dolores(hydrologic unit)
Upper Colorado-Dolores(hydrologic accounting unit)
Upper Colorado-Dolores(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
San Juan National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Montezuma |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 038N | 012W | 04 | Colorado |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Malachite | Ore |
| Calcite | Gangue |
| Limonite | Gangue |
| Pyrite | Gangue |
| Result | UNSORTED ORE REPORTED TO CONTAIN 4-5% CU |
|---|---|
| Result | SORTED ORE CONTAINED 25-30% CU |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Monzonite | ||||||||
| Rock unit name | Monzonite Porphyry | ||||||||
| Rock description | Monzonite Porphyry | ||||||||
| |||||||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | Dolores Formation, Near Base Of Formation |
| Rock description | Dolores Formation, Near Base Of Formation |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Ore Body (1) | -108.17954, 37.5789 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Uplift (San Juan Mountains), La Plata Mountains Dome |
| Type of structure | Local |
| Structure description | Small Ne-Trending Fault About 0.5 Mile To Northwest; Parallel Faults, Fractures |
| General form | VEINLETS, LENTICULAR MASSES, DISSEMINATED |
|---|---|
| Strike | N30W |
| Dip | S 2-7 W |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1909 |
| Year of first production | 1909 |
| District name | Bear Creek District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
| Type | Unknown |
|---|---|
| Owner | T.L. Jackson, C.L. Snyder, C.F. Eggers |
| Year | 1953 |
| Type of workings | Unknown |
|---|---|
| Area | 0.053HA |
| Length | 60.96M |
| Overall length | 36.58M |
| Overall width | 15.24M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D009280 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080830080 | |
| USGS | Mineral Resources Data System | MRDS | DC03873 | Deleted record 10239503 cites CRIB# in references. |
GODDARD, E.N., 1949, COPPER DEPOSITS OF THE BEAR CREEK DISTRICT, IN ECKEL, E.B., 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 70-72, 150-152.
| Subject category | Comment text |
|---|---|
| Deposit | DEPOSIT WITHIN 40 FT OF BORDER OF MONZONITE PORPHYRY DIKE, CONCENTRATED IN FRACTURED COALY SEAMS IN SANDSTONE |
| Deposit | Merged and deleted record 10239503, derived from MAS 0080830080, listed "Green Frog" as a previous name. A.B. Wilson was unable to confirm this information. It is not mentioned in PP-219. Same record listed holdings as a located claim. |
| Deposit | MAY HAVE BEEN 2 SOURCES FOR GOLD. IT HAS BEEN DESCRIBED AS LIGHT YELLOW AND DULL YELLOW. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-82 | Collins, Donna B. | Colorado Geological Survey | |
| Editor | 23-JUL-08 | Wilson, Anna B. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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