Bronsen Manganese claim, Quartzburg, Hornitos Mining District, West Belt, Mariposa County, California, USAi
| Regional Level Types | |
|---|---|
| Bronsen Manganese claim | Claim |
| Quartzburg | - not defined - |
| Hornitos Mining District | Mining District |
| West Belt | - not defined - |
| Mariposa County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
37° 33' 51'' North , 120° 11' 38'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Bear Valley | 125 (2011) | 6.6km |
| Coulterville | 201 (2011) | 16.3km |
| Catheys Valley | 825 (2011) | 16.9km |
| Greeley Hill | 915 (2011) | 20.8km |
| Mariposa | 2,173 (2017) | 21.9km |
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 |
|---|---|---|
| Mariposa Gem & Mineral Club | Mariposa, California | 22km |
A Mn occurrence/claim located in sec. 27, T4S, R16E, MDM, about 3.6 km (2.2 miles) NNE of Quartzburg, on the divide between Burns Creek and Cotton Creek, on private land. Discovered in 1917. Owned by Brownsen Estate Ranch (100.00%), California (1978). Operated by Alexander, California (1978). MRDS database accuracy for this location is not stated.
Mineralization is a lenticular shear zone deposit. The ore body strikes N35W and dips 75W at a thickness of 2 meters, a depth-to-top of 9 meters, a width of 20 meters and a length of 75 meters. Primary ore control was faulting. The ore zones are 3 parallel lenses, the largest of which averages 5 feet wide. Gangue is highly siliceous with stringers and bunches of limonite. Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
Workings include unspecified surface openings.
Assay data: Ore is 20% Mn; 0.065% P; 4% Fe, and 55% silica.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
1 valid mineral.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Limonite' |
| ⓘ 'Psilomelane' |
| ⓘ Rhodonite Formula: CaMn3Mn[Si5O15] |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| ⓘ | Rhodonite | 9.DK.05 | CaMn3Mn[Si5O15] |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Psilomelane' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
| Si | Silicon | |
| Si | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
| Ca | Calcium | |
| Ca | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
| Mn | Manganese | |
| Mn | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
Other Databases
| Link to USGS MRDS: | 10285623 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
