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Roaring River Dredge Mine (Roaring River; Roaring River Gold Dredging Co.), Gas Point, Shasta County, California, USAi
| Regional Level Types | |
|---|---|
| Roaring River Dredge Mine (Roaring River; Roaring River Gold Dredging Co.) | Mine |
| Gas Point | Point |
| Shasta County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
40° 23' 41'' North , 122° 31' 31'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Anderson | 10,217 (2017) | 20.1km |
| Cottonwood | 3,316 (2011) | 20.7km |
| Shasta | 1,771 (2011) | 22.9km |
| Redding | 91,582 (2017) | 24.1km |
| Keswick | 451 (2011) | 25.8km |
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 |
|---|---|---|
| Shasta Gem & Mineral Society | Redding, California | 24km |
A former placer Au-PGE (Pt-Ir-Os) deposit/dredge mine located in secs. 2-5, 9 & 10, T29N, R6W, and in secs. 33-35, T30N, R6W, MDM, 2.4 km (7,900 feet) SSE of Gas Point, on the Roaring River and Cottonwood Creek (confluence area) (On Roaring River near Gas Point and Cottonwood Creek. Tailings also along Middle and North Forks Cottonwood Creek and Crow Creek. Location given [in the MRDS database] is at the junction of Middle and North Forks of Cottonwood Creek, which is near the mouth of Roaring River). Operator was Roaring River Gold Dredging Co. (1938). Operations extended into Tehama County. MRDS database stated accuracy for this location is 1,000 meters.
NOTE: Relevent data extracted from MRDS database file #10213365, which is more complete and accurate. MRDS file #10213365 has inaccurate location descriptors and is listed for the sake of comprehensiveness.
Mineralization is a stream placer deposit (Deposit model code 119; USGS model code 39a; BC deposit profile C01. C02; deposit model name: Placer Au-PGE), hosted in gravel. The ore body is a stream sediment deposit with a depth to bottom of 3.05 meters, a width of 243.84 meters and a length of 3,218.6 meters. Controls for ore emplacement involved stream hydraulics. Local rocks include Plio-Pleistocene and Pliocene loosely consolidated deposits.
Workings comprised surface dredge operations.
Production data: A small by-product of Pt was reported.
Analytical data results: Pt:Au = 1:25 on average. 30% Ir.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au Description: Placer material. |
| ⓘ Native Platinum Formula: Pt Description: Carries about 30% Ir. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Platinum | 1.AF.10 | Pt |
List of minerals for each chemical element
| Pt | Platinum | |
|---|---|---|
| Pt | ⓘ Native Platinum | Pt |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10213365 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- California Central ValleyAccretionary Complex
- Great Valley BasinBasin
- Sacramento BasinBasin
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060890278
