Laguna Dam placers & prospects (Laguna placers), Laguna Mining District (Las Flores Mining District), Laguna Mts (San Pablo Mts), Yuma County, Arizona, USAi
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Latitude & Longitude (WGS84):
32° 48' 53'' North , 114° 29' 14'' West
Latitude & Longitude (decimal):
Type:
Group of Prospects
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Buckshot | 153 (2017) | 8.3km |
| El Prado Estates | 504 (2017) | 12.5km |
| Winterhaven | 394 (2011) | 16.1km |
| Yuma | 94,139 (2017) | 16.2km |
| Fortuna Foothills | 26,265 (2011) | 18.8km |
Mindat Locality ID:
33532
Long-form identifier:
mindat:1:2:33532:5
GUID (UUID V4):
682f1c4a-85ee-458a-a59b-496015de847e
A former Au-Ag placer mining area located in the southern ½ sec. 14, and the northern ½ sec. 23, T7S, R22W, at the East end of Laguna Dam, NW slope of the Laguna Mountains, and about 10 miles NE of Yuma, and extends into the bed of the Colorado River.
Mineralization is coarse placer gold and nuggets occurring in gulches draining from the NW slope of the Laguna Mountains; in pot holes on benches above the Colorado River; and in the Colorado River, where a dam was constructed. The gold originated from local quartz veins in Mesozoic schist and granitic gneiss near river margins. Masses of black schist and coarse, granitic gneiss rise steeply for 250 feet above the Colorado River Erosion of certain quartz veins in these rocks has given rise to coarse, rusty placer gold.
In 1907, during the construction of Laguna Dam, placer nuggets and a small gold-quartz vein were found at the river margin of these mountains. Considerable placer prospecting has been done in several of the gulches of this area and certain pot holes, up to 100 feet above the river, were found to carry rather coarse gold.
Workings include placer operations and prospecting since the 1860's to the 1940's, with an estimated and reported production of several thousand oz. gold, with minor silver.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au Description: As coarse, rusty placer gold and nuggets in gulches, pot holes and in the Colorado River. References: |
Gallery:
Other Databases
| Link to USGS MRDS: | 10027192 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
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References
