| Deposit ID | 10039416 |
|---|---|
| MRDS ID | M050051 |
| Record type | Site |
| Current site name | Silver Spur Mine |
| Alternate or previous names | Old Frijole Mine |
| Related records | 10113205 |
| Geographic coordinates: | -110.76818, 31.8493 (WGS84) |
|---|---|
| Elevation | 1524 |
| Relative position | 28 MILES S. E. OF TUCSON. |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Helvetia(quadrangle 1:24,000 scale)
Fort Huachuca(quadrangle 1:100,000 scale)
Nogales(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Rillito(hydrologic unit)
Santa Cruz(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
Coronado National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Arizona | Pima |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 18S | 15E | 24 | Arizona |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Copper | Secondary |
| Lead | Secondary |
| Gold | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Copper | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Tetrahedrite | Ore |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||
| Rock unit name | Granodiorite-54 +-2my.;Aplite | ||||
| Rock description | Granodiorite-54 +-2my.;Aplite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| (1) | -110.76818, 31.8493 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N. |
| Type of structure | Local |
| Structure description | Thrust And Normal Faulting - Fracture Zones. |
| General form | TABULAR |
|---|---|
| Thickness | 0.1M |
| Depth to bottom | 18.29M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1877 |
| Year of first production | 1880 |
| Year of last production | 1963 |
| Production years | 1880-1889 |
| District name | Helvetia-Rosemont District |
|---|
| Ownership category | National Forest |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M050051 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040190408 |
SCHRADER, F.C., 1915 USGS BULL. 582
ARIZONA BUREAU OF MINES 1971 FIELDNOTES V. 1 NO 2
DREWES, H., 1971, USGS MAP I-613 (SAHUARITA QUAD)
KEITH,S.B.,1974,INDEX OF MINING PROPERTIES IN PIMA COUNTY,ARIZONA:ARIZONA BUREAU OF MINES BULLETIN 189,P.128.
1909 RECON F. C. SCHRADER, U.S.G.S. BULL. 582
1971 DIREXPL ANACONDA - POSSIBLE NEW PORPH CU.
1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613.
SCHRADER - 1915 - USGS BULL. 582
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: LATE 187? |
| Deposit | QUARTZ VEIN FOLLOWS FAULT. |
| Deposit | OLDEST PROPERTY IN THE DISTRICT. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1972 | Keith, William J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.