| Deposit ID | 10251538 |
|---|---|
| MAS/MILS ID | 0461030109 |
| Record type | Site |
| Current site name | Cochrane Mine |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -103.73247, 44.09996 (WGS84) |
| Elevation | 1829 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Pennington(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Rochford(quadrangle 1:24,000 scale)
Rapid City(quadrangle 1:100,000 scale)
Rapid City(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Rapid(hydrologic unit)
Cheyenne(hydrologic accounting unit)
Cheyenne(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Black Hills National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | South Dakota | Pennington |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Tertiary |
| Trench (1) | Metabasalt |
|---|
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Type of mineral rights | Unknown |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Naneco Minerals |
| Interest | 100 |
| Home office | Canada |
| Year | 1997 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0461030109 |
USBM, STAFF, REG V., IC7688, 1954, P108.
THE MINING RECORD, VOL 107, N 47, NOV., 20, 1996, P6.
THE MINING RECORD, VOL 108, #4, JAN., 22, 1997, P3.
NANECO MINERALS LTD. NEWS RELEASE, 9-22-97.
| Subject category | Comment text |
|---|---|
| Deposit | COULD BE THE COCHRANE EXPLORATION PROPERTY AS DESCRIDED IN THE NOV., 20, 1996 THE MINING RECORD ARTICAL, P6. 11-96: PHASE-ONE DRILLING ENCOUNTERED SIGNIFICANT AU MINERAL- IZATION. IN ALL OF THE MINERALIZED ZONES FREE GOLD IS PRESENT. 9-97: NANECO COMPLETED 12 CORE HOLES WHICH HAVE RESULTED IN AN INCREASE IN THE GEOLOGIC RESOURCE: THE CURRENT 270,000 OZ AU RESOURCE ESTIMATE CONSISTS OF 68,000 OZ OF DRILL INDICATED AND 200,000 OZ OF INFERRED RESOURCES GRADING 6.3 G/MT. THE DEPOSIT IS OPEN IN ALL DIRECTIONS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 09-OCT-97 | Buckingham, David A. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.