| Deposit ID | 10069893 |
|---|---|
| MRDS ID | W007654 |
| Record type | Site |
| Current site name | Afterthought Mine |
| Geographic coordinates: | -116.69817, 42.99768 (WGS84) |
|---|---|
| Elevation | 2219 |
| Relative position | 2 MILES SE OF SILVER CITY, ABOUT 2/3 OF A MILE SE OF WAR EAGLE MT |
Political divisions (FIPS codes)
Owyhee(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Cinnabar Mountain(quadrangle 1:24,000 scale)
Triangle(quadrangle 1:100,000 scale)
Jordan Valley(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Snake-Succor(hydrologic unit)
Middle Snake-Boise(hydrologic accounting unit)
Middle Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management ID)
Bureau of Land Management ID BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Idaho | Owyhee |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 005S | 003W | 09 | Idaho |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Quartz | Gangue |
| Result | ORE AVERAGES .14 OZ AU, 17.0 OZ AG TON ON 4TH LEVEL |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| Rock unit name | Silver City Granodiorite;Mio-Plio | ||||
| Rock description | Silver City Granodiorite;Mio-Plio | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| (1) | -116.69817, 42.99768 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Brecciation, Fault, And Gouge |
| General form | IRREGULAR |
|---|---|
| Dip | 85 DEG E |
| Length | 73.15M |
| Width | 1.83M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1900 |
| Discoverer | Delamar Mines Company |
| District name | French District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Lee Mines Inc. ( 1970 ) |
| Type of workings | Surface/Underground |
|---|---|
| Length | 609.6M |
| Overall depth | 143.26M |
| Overall length | 30.48M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W007654 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | JV__10 | http://www.idahogeology.org/ |
ASHER, R. R., 1968, GEOLOGY AND MINERAL RESOURCES OF A PORTION OF THE SILVER CITY REGION, OWYHEE CO. ID.: ID. BUREAU OF MINES AND GEOLOGY PAMPH 138, 106 P.
SALMAN, D.S.A., 1972, GEOLOGY OF TRIANGLE QUAD. AREA, OWYHEE COUNTY IDAHO: MOSCOW IDAHO, UNIV. OF IDAHO, M. S. THESIS, 65 P.
WALKER, W., 1965, GEOLOGY OF A PART OF THE OWYHEE MOUNTAIN SOUTH OF SILVER CITY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, MS THESIS, 69 P.
1900 DIREXPL DELAMAR COMP 1900
1920 E. J. ORFORD (1920 - 1930)
1950 GEOLMAP MORD ELLO L. LEE (1950) { 1968 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 138
SALMAN, D.S.A., 1972, UNIV. OF IDAHO, M. S. THESIS, 65 P.
| Subject category | Comment text |
|---|---|
| Deposit | VEIN PROBABLY S EXTENSION OF THE ORD FINO-GOLDEN CHARIOT VEIN |
| Deposit | WORK WAS BEGUN ON DEWATERING THE SHAFT IN 1964 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1975 | Benjamin, David A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.