| Deposit ID | 10027224 |
|---|---|
| MRDS ID | M002541 |
| Record type | Site |
| Current site name | Mcmahan Prospect |
| Geographic coordinates: | -114.1041, 32.54537 (WGS84) |
|---|---|
| Elevation | 189 |
| Relative position | 3/4 MILE NORTH OF THE DOUBLE EAGLE SHAFT. |
Political divisions (FIPS codes)
Yuma(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Wellton SE(quadrangle 1:24,000 scale)
Yuma(quadrangle 1:100,000 scale)
El Centro(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Gila(hydrologic unit)
Lower Gila(hydrologic accounting unit)
Lower Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
USAF(Federal land areas administered by USAF)
| Country | State | County |
|---|---|---|
| United States | Arizona | Yuma |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 010S | 018W | 22 | Arizona |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Lead | Tertiary |
| Iron | Tertiary |
| Molybdenum | Tertiary |
| Materials | Type of material |
|---|---|
| Iron | Ore |
| Wulfenite | Ore |
| Calcite | Gangue |
| Quartz | Gangue |
| Sericite | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | -114.1041, 32.54537 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | In This Immediate Vicinity, The Gneiss Has Been Faulted Sufficiently To Show Considerable Variation In Strike And Dip . Fault Zone Striking Se, 2-3 Ft Wide |
| General form | IRREGULAR |
|---|---|
| Width | 0.3M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | La Posa District |
|---|
| Ownership category | Federal |
|---|
| Type of workings | Underground |
|---|---|
| Overall depth | 18.29M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M002541 |
WILSON, E.D., 1933, GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 134, P. 175.
ABGMT FILE DATA
WALLABY ENTERPRISES, TUCSON, AZ, MINING DISTRICT DATA BASE FILE.
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | AU, AG, AND CU IN QUARTZ VEINS NEAR APLITIC DIKES. MINERALIZATION ASSOCIATED WITH TWO-MICA GRANITE INTRUSIONS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1972 | Gere, W. | U.S. Geological Survey | |
| Updater | 01-NOV-1979 | Hall, R.K. (Creasey, S.C.) | 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.