Joses Ranch prospect, Mountain Ranch, Mountain Ranch Mining District, East Belt, Calaveras County, California, USAi
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Latitude & Longitude (WGS84):
38° 13' 55'' North , 120° 33' 50'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mountain Ranch | 1,628 (2011) | 2.1km |
| San Andreas | 2,783 (2011) | 10.9km |
| Fort Jones | 643 (2006) | 12.9km |
| Rail Road Flat | 475 (2015) | 13.1km |
| Murphys | 2,213 (2015) | 13.8km |
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 |
|---|---|---|
| Calaveras Gem & Mineral Society | Angels Camp, California | 18km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 27km |
A Mn occurrence located in the N½ (probable) sec. 5, T4N, R13E, MDM, 2.1 km (1.3 miles) W of Mountain Ranch (1.2 miles by road NW of Mountain Ranch; on crest and W flank of a low ridge). MRDS database stated accuracy for this location is 500 meters.
The ore body strikes N35-55W and dips 60-75NE. A belt of metachert, 20 feet wide and several hundred feet long, strikes N35-55W and dips 60-75NE. It is gray when fresh, but is stained reddish brown by iron oxide, and is enclosed in gray sericite and quartz-sericite schist. Crusts and layers of iron oxide, and small quantities of manganese oxide occur along fractures penetrating the metachert. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Local geologic structures include the metachert belt which is greatly contorted.
Workings include surface openings. An open cut 45 feet lonhg and 3 feet wide by 4 feet deep, runs N25E into the hill but does not extend below the soil.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Manganese Oxides' |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Manganese Oxides' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Other Databases
| Link to USGS MRDS: | 10095079 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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