Kofa gold placers (S.H. placers), Kofa Mining District, Yuma County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Kofa gold placers (S.H. placers) | Group of Placers |
| Kofa Mining District | Mining District |
| Yuma County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
33° 16' 37'' North , 113° 57' 56'' West
Latitude & Longitude (decimal):
Type:
Group of Placers
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| La Paz Valley | 699 (2011) | 42.1km |
| Brenda | 676 (2011) | 44.8km |
| Quartzsite | 3,626 (2017) | 49.5km |
| Vicksburg | 597 (2011) | 55.6km |
| Dateland | 416 (2011) | 66.5km |
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 |
|---|---|---|
| Quartzsite Roadrunners Gem & Mineral Club | Quartzsite, Arizona | 50km |
A former Au-Ag placering area located in secs. 7 & 8, T.2S., R.16W. and secs. 1, 2, 11 & 13, T.2S., R.17W. The placer area is in a westward-trending wash just north of the King of Arizona Mine, ½ mile N of the Kofa Mine & NW of Kofa, 56 miles NE of Yuma.
Mineralization is relatively coarse placer gold in washes, a few feet to 70 feet above bedrock over an area of approximately 60 acres, within boulder and erosional fragment alluvium derived from weathering of gold veins in metamorphosed sediments. The gold is coarse and occurs near bedrock.
Workings are mostly small dry washing operations and several shallow pits. Total production may have been about 2,500 oz. gold with some silver, mostly extracted prior to 1900.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au Description: As relatively coarse placer gold. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10102457 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
USA
- Arizona
- Kofa National Wildlife RefugeWildlife Refuge
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