| Deposit ID | 10037110 |
|---|---|
| MRDS ID | M030418 |
| Record type | Site |
| Current site name | Gringo Mine |
| Alternate or previous names | Francis Group, Temporal Group |
| Related records | 10259124 |
| Geographic coordinates: | -110.7704, 31.5718 (WGS84) |
|---|---|
| Elevation | 1317 |
| Relative position | 2 1/4 MI NNW OF PATAGONIA; 1/2 MI NE OF FRESHO SPRINGS |
Political divisions (FIPS codes)
Santa Cruz(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Patagonia(quadrangle 1:24,000 scale)
Fort Huachuca(quadrangle 1:100,000 scale)
Nogales(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Santa Cruz(hydrologic unit)
Santa Cruz(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
ST(Federal land areas administered by ST)
| Country | State | County |
|---|---|---|
| United States | Arizona | Santa Cruz |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 021S | 015E | 36 | NE4 OF NE4 OF NW4 | Arizona |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Lead | Secondary |
| Copper | Secondary |
| Silver | Secondary |
| Zinc Critical | Tertiary |
| Molybdenum | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Silver | Ore |
| Wulfenite | Ore |
| Biotite | Gangue |
| Calcite | Gangue |
| Fluorite | Gangue |
| Hornblende | Gangue |
| Kaolin | Gangue |
| Magnetite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite | ||||
| Rock unit name | Middle Member Of Bathtub Formation (Andesite Flows);Gringo Gulch Volcanics , Dacite Porphyry | ||||
| Rock description | Middle Member Of Bathtub Formation (Andesite Flows);Gringo Gulch Volcanics , Dacite Porphyry | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| (1) | -110.7704, 31.5718 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | E-W Trending Quartz Fissure Veins; Andesite Is Cut By Steeply S-Dip Ping Sheeting Structures, Dipping About Parallel With Lode |
| Type of structure | Local |
| Structure description | Gold Is Uniformly Distributed In Vein But Generally Favors Footwal L And Is Only Rarely Found In Hanging Wall |
| Strike | E-W |
|---|---|
| Dip | 805 |
| Width | 6.1M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1893 |
| Discoverer | R.R. Richardson |
| Year of first production | 1907 |
| Year of last production | 1937 |
| District name | Ivanhoe District |
|---|
| Ownership category | National Forest |
|---|
| Year | 1937 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1890-1937 | ||||||||||||||||||||||||||||
| Material | ORE | ||||||||||||||||||||||||||||
| Accuracy | Estimate | ||||||||||||||||||||||||||||
| Description | Cp_Grade: ^6% Pb, 4% Cu, 12 Oz/T Ag | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Year | 1937 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1890-1937 | |||||||||||||||||||||
| Material | ORE | |||||||||||||||||||||
| Accuracy | Estimate | |||||||||||||||||||||
| Description | Cp_Grade: ^0.43 Oz/T Au, 0.5 Oz/T Ag | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Underground |
|---|---|
| Length | 914.4M |
| Overall depth | 76.2M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M030418 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040230209 |
KEITH, 1975, ABM BULL 191
SCHRADER, 1915, USGS BULL 582
DREWES, 1971, USGS MAP I-614
ABGMT FILE DATA, STANTON B. KEITH
USBM FILES, GRINGO MINE GROUP
ABGMT-USBM FILE DATA
ABGMT CLIPPINGS FILES, GRINGO GROUP
ADMR FILE DATA, GRINGO MINE
KEITH, 1975, P. 89
| Subject category | Comment text |
|---|---|
| Deposit | DEPOSITS CONTAINED MAINLY IN 2 VEINS THE GRINGO AND THE INDEPENDE NT WHICH EXTEND SEVERAL MILES; VEINS RANGE IN WIDTH FROM 5-20 FT; GRIN GO VEIN ACCOMPANIED IN PLACES ON FOOTWALL BY A 7 FT DIKE WHICH CARRIES ALMOST SAME AMOUNT OF GOLD AS VEIN AND SEEMS TO BE A METASOMATIC REPL ACEMENT DEPOSIT IN WALL ROCK; INDEPENDENT VEIN IS ABOUT PARALLEL TO AN D 600 FT N OF GRINGO VEIN; WIDENS TO 40 FT WHERE JOINED BY SPUR VEINS; PROPERTY EXTENDS 4500 FT ON VEIN |
| Deposit | THIS REPORT WAS TAKEN FROM RECORD M030418 OF JAN WILT IN MOLYBDENU M FILE, CONTACT PERSON T.G. THEODORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1983 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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