Colorado Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Colorado Gulch | Gulch |
| Empire Ranch area | Area |
| Greaterville placer deposits | Group of Deposits |
| Greaterville | - not defined - |
| Greaterville Mining District | Mining District |
| Pima County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
31° 46' 30'' North , 110° 43' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Sonoita | 818 (2015) | 12.0km |
| Corona de Tucson | 5,675 (2011) | 21.9km |
| Elgin | 161 (2011) | 22.2km |
| Patagonia | 890 (2017) | 26.4km |
| East Sahuarita | 1,622 (2006) | 27.3km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Huachuca Mineral and Gem Club | Sierra Vista, Arizona | 46km |
Mindat Locality ID:
35782
Long-form identifier:
mindat:1:2:35782:2
GUID (UUID V4):
be0a9fe4-592e-4119-97d2-a3c09712c866
‡Ref.: Hill, J.M. (1910), Notes on the placer deposits of Greaterville, Arizona, USGS Bull. 430: 11-22.
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 164.
Wilson, E.D. (1927), Arizona Gold Placers, 2nd. ed. (revised), University of Arizona Bull. 124: 38.
Arizona Bureau of Mines Bull. 135 (1933), Arizona Gold Placers & Placering: 58.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 121 (Table 4).
Arizona Bureau of Mines File Data.
A Au-Ag placer deposit located in Colorado Gulch, a short branch of Empire Gulch, half a mile north ofLos Pozos Gulch, eastern foot of the Santa Rita Mountains. Owned at times, or in part, or in places by the Stetson Co.; the El Oro Mining Co.; and the Greaterville Dredge Gold Mining Co.
Mineralization is mostly coarse flake and nugget gold with minor combined silver and some attached galena in medium-sized gravel along recent and older buried channels and terraces close to the mountain front. Spome gold was found at shallow depths through a distance of 2,000 feet in the upper part of its course, nearly to its head.
Major operations were undertaken from 1875 to the early 1900's and small and sporadic since then. Estimated production for the entire area is some 30,000 oz. of gold, or more, with about 6,000 oz. of silver.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au Description: Placer gold. Coarse flakes & nuggets of placer gold in gravels along 2,000 feet - upper part of course nearly to head. References: |
Gallery:
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
- Mazatzal DomainDomain
USA
- Arizona
- Santa Rita MountainsMountain Range
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