Farmer Mine, Nogales Mining District (Gold Hill Mining District), Santa Cruz County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Farmer Mine | Mine |
| Nogales Mining District (Gold Hill Mining District) | Mining District |
| Santa Cruz County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
31° 23' 43'' North , 110° 55' 36'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Beyerville | 177 (2011) | 4.6km |
| Nogales | 20,252 (2017) | 6.1km |
| Rio Rico | 18,962 (2011) | 9.7km |
| Nogales | 212,533 (2018) | 9.7km |
| Kino Springs | 136 (2011) | 11.6km |
Mindat Locality ID:
187016
Long-form identifier:
mindat:1:2:187016:2
GUID (UUID V4):
81950f0e-3752-4a73-905d-d3e4d464f53d
Ref.: U.S. Bureau of Mines card file.
U.S. Bureau of Mines file data-cluster #30 - Farmer.
USGS Nogales Quadrangle topo map.
Simons, F.S. (1974) Geologic map and sections of the Nogales and Lochiel quadrangles, Santa Cruz County, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-762, 9 p., 1 sheet, scale 1:48,000.
U.S. Bureau of Mines field notes AU21.
MRDS database Dep. ID file #10026828, MRDS ID #M000446; and, Dep. ID #10137530, MAS ID #0040230189.
A former small Au-Pb-Cu mine located in the E½E½SE¼ sec. 29, T23S, R14E, 6 miles N of Nogales, on private land. Operated by Farmer and Wolfe.
Mineralization is a tabular ore body in lensing veins in an irregular shear zone hosted in quartz monzonite. Cash veins in a deeply eroded batholith. The ore is in irrgular pockets and impregnations. Ore concentration was secondary enrichment. Local structures include pyritized lamprophyric dikes, numerous NW-trending aplite dikes and a major fault trending N-S. An assoxciated rock unit is plutonic igneous rock. There is no evidence for enrichment at depth.
There are no production figures. This mine has produced gold. 2 samples assayed .10% Cu, 0.90% Cu, 1.02% Pb and 0.02% Au, 0.10% Cu, 0.14% Pb.
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10026828 |
|---|
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North America
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
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