| Deposit ID | 10039395 |
|---|---|
| MRDS ID | M050022 |
| Record type | Site |
| Current site name | Little Fanny Group |
| Alternate or previous names | Alvera Extension, Last Chance, Alvera |
| Related records | 10186017 |
| Geographic coordinates: | -110.10094, 32.05818 (WGS84) |
|---|---|
| Elevation | 1463 |
| Relative position | 3 1/2 MILES SW OF JOHNSON. ABT. 11 MI. NE FROM BENSON, ARIZ. 1 MI. SW OF PRIMOS MINE. |
Political divisions (FIPS codes)
Cochise(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dragoon(quadrangle 1:24,000 scale)
Tucson(quadrangle 1:100,000 scale)
Tucson(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper San Pedro(hydrologic unit)
San Pedro-Willcox(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Arizona | Cochise |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 016S | 022E | 09,03 | Arizona |
| Commodity | Importance |
|---|---|
| Tungsten Critical | Primary |
| Fluorine-Fluorite Critical | Primary |
| Quartz | Tertiary |
| Beryllium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Galena | Ore |
| Huebnerite | Ore |
| Pyrite | Ore |
| Beryl | Gangue |
| Quartz | Gangue |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||
| Rock unit name | Texas Canyon | ||||
| Rock description | Texas Canyon | ||||
| |||||
| (1) | -110.10094, 32.05818 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Tertiary Block Faulting Trending Nnw. ; Reg.Trends: Late Cretaceous Or Early Tertiary N To Nw Trending Folds And Thrust Faults Overriding To Ne. |
| Type of structure | Local |
| Structure description | Normal Faulting. |
| General form | VEINS |
|---|---|
| Strike | N 45 E |
| Dip | 70 SE. |
| Thickness | 0.76M |
| Length | 60.96M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1898 |
| Discoverer | Asa Walker |
| District name | Cochise District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Dragoon Mining Corp. , Coronado Copper And Zinc Co. |
| First year | 1973 |
| Type | Owner |
|---|---|
| Owner | Joseph Robles |
| Home office | Tombstone, Az. |
| First year | 1964 |
| Type of workings | Surface/Underground |
|---|---|
| Length | 487.68M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M050022 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040030036 |
COOPER, J.R., AND SILVER, L.T., 1964, U.S. GEOL SURVEY PROF. PAPER 416.
ARIZ. B. OF M. BULL. 148.
LIVINGSTON, MAUGER, BENNETT, AND LAUGHLIN, 1967, JGR, V. 72, P. 1361-1375.
PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.
1964 GEOLMAP U.S. GEOLOGICAL SURVEY COOPER AND SILVER, PROF. PAPER 416
CIMRI
COOPER AND SILVER, 1964
| Subject category | Comment text |
|---|---|
| Deposit | NUMEROUS SMALL VEINS SOMETIMES CONSTITUTING LODES. MINOR VEIN SYSTEMS. (A) STRIKE N 15E DIP 40 TO 60 E. (B) STRIKE N 65 E DIP 80 S. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1972 | Bergquist, Joel R. | U.S. Geological Survey | |
| Updater | 01-DEC-1992 | Orris, Greta J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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