| Deposit ID | 10070464 |
|---|---|
| MRDS ID | W013408 |
| Record type | Site |
| Current site name | Easton-Pacific Mine |
| Alternate or previous names | Virginia City |
| Geographic coordinates: | -111.96058, 45.23157 (WGS84) |
|---|---|
| Elevation | 2240 |
| Relative position | FOUR MILES SSW OF VIRGINIA CITY |
Political divisions (FIPS codes)
Madison(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Cirque Lake(quadrangle 1:24,000 scale)
Ennis(quadrangle 1:100,000 scale)
Bozeman(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Ruby(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Madison |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 007S | 003W | 15 | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Tetrahedrite | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Host | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Monzonite | ||||||
| Rock type qualifier | QUARTZ - MONZONITE APLITE | ||||||
| Rock unit name | Cherry Creek Series, Gneiss | ||||||
| Rock description | Cherry Creek Series, Gneiss | ||||||
| |||||||
| (1) | -111.96058, 45.23157 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Aplite Intrusion |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | Yes |
| Year of first production | 1902 |
| District name | Virginia City-Browns Gulch District |
|---|
| Type | Operator |
|---|---|
| Owner | Scheitlin, E. |
| Home office | Virginia City, Mt 59755 |
| Type | Owner |
|---|---|
| Owner | Easton - Pacific And Riverside Mining Co. |
| Year | 1976 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1871-1976 | |||||||||||||||||||||
| Material | ore | |||||||||||||||||||||
| Ore mined | 113000mt | |||||||||||||||||||||
| Accuracy | Accurate | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1997 | |||||||||||||||||||||
| Total resources | 1361000mt ore | |||||||||||||||||||||
| Remarks | Resource occurs in the vicinity of Pacific Pit, is based on drillhole data and estimated to range between 1 M and 2 M short tons. A speculative resource of 100M st at 0.025 to 0.08 opt Au has been cited in some literature on the site. | |||||||||||||||||||||
| ||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W013408 | |
| USGS | Mineral Resources Data System | MRDS | W013408 | Deposit ID 10124473 (Easton-Pacific Mine) |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300570122 | Deposit ID 10124473 (Easton-Pacific Mine) |
TANSLEY ET. AL., 1933, GEO. RECON. TOBACCO ROOT MTS., MADISON CO., MT., MT BUREAU OF MINES & GEOLOGY MEMOIR 9.
LORAIN, 1937, GOLD LODE MINING IN THE TOBACCO ROOT MTS., MADISON CO. MT., U. S. BUREAU OF MINES INF. CIRC. 6972.
LAWSON, 1974, DIRECTORY OF MINING ENTERPRISES FOR 1974, MT BUREAU OF MINES & GEOLOGY BULL. 95.
LORAIN, 1937, U. S. B. M. INF. CIRC. 6972.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1976 | Mlynarczyk, Meg S.; Krohn, D. | U.S. Geological Survey | |
| Updater | 01-FEB-1980 | Doyle, Brien (Wells, John) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.