Petaluma-Point Reyes Road Mn occurrence, Novato, Marin County, California, USAi
| Regional Level Types | |
|---|---|
| Petaluma-Point Reyes Road Mn occurrence | Occurrence |
| Novato | City |
| Marin County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 10' 5'' North , 122° 40' 19'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Petaluma | 60,438 (2017) | 7.8km |
| Novato | 55,530 (2017) | 11.2km |
| Penngrove | 2,522 (2011) | 14.6km |
| Black Point-Green Point | 1,306 (2011) | 15.1km |
| Point Reyes Station | 848 (2011) | 16.1km |
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 |
|---|---|---|
| Santa Rosa Mineral And Gem Society, Inc. | Santa Rosa, California | 30km |
| Vallejo Gem & Mineral Society | Vallejo, California | 37km |
| San Francisco Gem and Mineral Society, Inc. | San Francisco, California | 49km |
A Mn occurrence located in the center sec. 30, T4N, R7W, MDM, along Petaluma-Point Reyes Road, 11.1 km (7.0 miles) NW of Novato (1 mile S of Union School). Discovered in 1918. Operated by Respini and Morelli. MRDS database stated accuracy for this location is 1,000 meters.
Ore body is a massive bed of Mn ore traced 40 feet on surface and is at least 3 feet thick. The black ore has iron-stained spherules of silica. The silica content is probably 20 to 35%. Local rocks include Franciscan schist.
Not developed.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
Detailed Mineral List:
| ⓘ 'Manganese Oxides' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Manganese Oxides' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10030800 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- California Coast RangesAccretionary Complex
- Franciscan DomainDomain
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