Brainard occurrence (James Ranch occurrence), New Almaden, New Almaden Mining District, Santa Clara County, California, USAi
| Regional Level Types | |
|---|---|
| Brainard occurrence (James Ranch occurrence) | Occurrence |
| New Almaden | - not defined - |
| New Almaden Mining District | Mining District |
| Santa Clara County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 10' 41'' North , 121° 53' 8'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lexington Hills | 2,421 (2011) | 7.9km |
| Los Gatos | 30,705 (2017) | 9.6km |
| Cambrian Park | 3,282 (2018) | 9.6km |
| Monte Sereno | 3,556 (2017) | 11.5km |
| Communications Hill | 11,267 (2019) | 12.6km |
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 Clara Valley Gem & Mineral Society | San Jose, California | 18km |
| Santa Cruz Mineral and Gem Society | Santa Cruz, California | 26km |
| Peninsula Gem & Geology Society, Inc. | Los Altos, California | 31km |
| Sequoia Gem and Mineral Society | Redwood City, California | 46km |
A Hg occurrence located in the NW¼ sec. 5, T9S, R1E, MDM, about 5.4 km W of New Almaden, along the S canyon wall of Rincon Creek. Discovered prior to 1918. MRDS database stated accuracy for this location is 500 meters.
Mineralization is hosted at a serpentine-sandstone contact. The ore body is tabular. Controls for ore emplacement included a contact of serpentine and sandstone. Local rocks include Mesozoic volcanic rocks, unit 1 (Coast Ranges).
Local geologic structures include a serpentine-sandstone contact.
Production data are found in: Holmes, Jr., G.W. (1965).
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
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:
| ⓘ Cinnabar Formula: HgS |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| Unclassified | |||
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | Oxygen | |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | Silicon | |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| S | Sulfur | |
| S | ⓘ Cinnabar | HgS |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
Other Databases
| Link to USGS MRDS: | 10040738 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- California Coast RangesAccretionary Complex
- Franciscan DomainDomain
USA
- California
- Santa Cruz MountainsMountain Range
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