| Deposit ID | 10400188 |
|---|---|
| Record type | Site |
| Current site name | Elkhorn (Swan) |
| Geographic coordinates: | -111.95087, 46.2499 (WGS84) |
|---|
Political divisions (FIPS codes)
Jefferson(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Tacoma Park(quadrangle 1:24,000 scale)
Townsend(quadrangle 1:100,000 scale)
White Sulphur Springs(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Boulder(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Beaverhead-Deerlodge National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Jefferson |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Model code | 64 |
|---|---|
| USGS model code | 18f |
| Deposit model name | Skarn Au |
| Mark3 model number | 82 |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Porphyry |
| Rock type qualifier | Quartz Porphyr |
| (1) | -111.95087, 46.2499 |
|---|
| Commodity type | Metallic |
|---|---|
| Significant | Yes |
| Discovery year | 1980 |
| District name | Elkhorn |
|---|
| Type | In-situ |
|---|---|
| Estimate year | 1997 |
| Total resources | 10884000mt ore |
| Type | In-situ |
|---|---|
| Name | Au |
| Estimate year | 1997 |
| Total resources | 37mt ore |
AMH 1999 entry for Mountain-West Resources
| Subject category | Comment text |
|---|---|
| General | Record of production from 1870's through the late 1950's is incomplete. Substantial production of gold, silver, copper, lead and zinc removed from quartz-tourmaline pipe-like ore bodies at limestone-quartz porphyry contact zone. |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.