San Geronimo, Marin Co., California, USAi
| Regional Level Types | |
|---|---|
| San Geronimo | - not defined - |
| Marin Co. | County |
| California | State |
| USA | Country |
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Key
Latitude & Longitude (WGS84):
38° 0' 47'' North , 122° 39' 46'' West
Latitude & Longitude (decimal):
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| San Geronimo | 446 (2011) | 0.1km |
| Woodacre | 1,348 (2011) | 1.5km |
| Lagunitas-Forest Knolls | 1,819 (2011) | 2.5km |
| Sleepy Hollow | 2,384 (2011) | 6.9km |
| Fairfax | 7,626 (2017) | 7.1km |
A populated place located along the Sir Francis Drake Boulevard (highway).
Select Mineral List Type
Standard Detailed Gallery Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.Mineral List
Mineral list contains entries from the region specified including sub-localities2 valid minerals.
Detailed Mineral List:
| β Chromite Formula: Fe2+Cr3+2O4 Description: Found as float. Reference: Watts, Wm. L. (1893), Alameda, Colusa, Del Norte, Fresno, Glenn, Humboldt, Marin, Mendocino, Merced, Placer, Sacramento, Santa Clara, San Joaquin, Sonoma, Stanislaus, Sutter, Kern, Lake, Contra Costa, Tehama, Tulare Counties California Mining Bureau. Report 11: 253; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 140. |
| β 'Psilomelane' Formula: Mn, O Reference: Bradley, W.W., et al (1918), Manganese and chromium in California: California Mining Bureau. Bulletin 76: 39; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 298. |
| β Quartz Formula: SiO2 Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10030796. |
| β Quartz var. Jasper Colour: Red Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10030796. |
| β 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10030796. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| β | Quartz | 4.DA.05 | SiO2 |
| β | var. Jasper | 4.DA.05 | SiO2 |
| Unclassified Minerals, Rocks, etc. | |||
| β | 'Psilomelane' | - | Mn, O |
| β | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
List of minerals arranged by Dana 8th Edition classification
| Group 7 - MULTIPLE OXIDES | |||
|---|---|---|---|
| AB2X4 | |||
| β | Chromite | 7.2.3.3 | Fe2+Cr3+2O4 |
| Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | |||
| Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | |||
| β | Quartz | 75.1.3.1 | SiO2 |
| Unclassified Minerals, Mixtures, etc. | |||
| β | 'Psilomelane' | - | Mn, O |
| β | Quartz var. Jasper | - | SiO2 |
| β | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| O | Oxygen | |
| O | β Psilomelane | Mn, O |
| O | β Chromite | Fe2+Cr23+O4 |
| O | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| O | β Quartz | SiO2 |
| Mg | Magnesium | |
| Mg | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| Al | Aluminium | |
| Al | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| Si | Silicon | |
| Si | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| Si | β Quartz | SiO2 |
| Cr | Chromium | |
| Cr | β Chromite | Fe2+Cr23+O4 |
| Mn | Manganese | |
| Mn | β Psilomelane | Mn, O |
| Mn | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| Fe | Iron | |
| Fe | β Chromite | Fe2+Cr23+O4 |
| Fe | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| Ni | Nickel | |
| Ni | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
| Zn | Zinc | |
| Zn | β Serpentine Subgroup | D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn |
Localities in this Region
- California
- Marin Co.
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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