Rio Hondo Mine, Goldstone, Goldstone Mining District, San Bernardino County, California, USAi
| Regional Level Types | |
|---|---|
| Rio Hondo Mine | Mine |
| Goldstone | - not defined - |
| Goldstone Mining District | Mining District |
| San Bernardino County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
35° 14' 13'' North , 116° 49' 26'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Fort Irwin | 8,845 (2011) | 13.0km |
| Barstow | 23,692 (2017) | 41.7km |
| Barstow Heights | 24,202 (2006) | 46.0km |
| Lenwood | 3,543 (2011) | 47.5km |
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 |
|---|---|---|
| Mojave Desert Gem & Mineral Society | Barstow, California | 42km |
A former lode Au occurrence/mine located in sec. 12, T13N, R1E, SBM, 10.5 km (6.5 miles) SE of Goldstone (12.5 miles NE of Lane Mountain). The property is comprised of 6 claims. MRDS database stated accuracy for this location is 10 meters. Tucker and Sampson (1943) place this mine in sec. 33, T14N, R2E, SBM. The location was taken from Wright (1953) by the USGS MRDS database staff.
Mineralization is hosted in limestone and schist. The ore body strikes N50W and dips 80N at a thickness of 1.52 meters. Granitic rock intrudes metasediments at depth. Several small, discontinuous veins cut the complexly folded metasedimentary units. The main vein is several hundred feet long and 2 to 5 feet thick. The gold is partly free and partly in auriferous pyrite. Associated rocks include granite. Local rocks include Paleozoic marine rocks, undivided, unit 2 (Northern Mojave Desert and Southeastern Sierra Nevada).
Workings include surface and underground openings with an overall depth of 27.43 meters and comprised of 2 shafts at 72 and 90 feet deep, and 50 feet apart, plus an open cut and 2 short adits. Remnants of an amalgamation mill are present.
Analytical data results: Assays ranged from $7-$15 (period values) Au/ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au Description: Occurs partly as free gold. |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrite var. Gold-bearing Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrite var. Gold-bearing Pyrite | 2.EB.05a | FeS2 |
| ⓘ | 2.EB.05a | FeS2 | |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10035704 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060710174
