Velasco Area Mine (New Almaden - Velasco area), New Almaden, New Almaden Mining District, Santa Clara County, California, USAi
| Regional Level Types | |
|---|---|
| Velasco Area Mine (New Almaden - Velasco area) | Mine |
| 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' 45'' North , 121° 50' 24'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cambrian Park | 3,282 (2018) | 11.8km |
| Seven Trees | 1,788 (2018) | 11.9km |
| Lexington Hills | 2,421 (2011) | 11.9km |
| Communications Hill | 11,267 (2019) | 12.3km |
| Los Gatos | 30,705 (2017) | 13.0km |
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 | 28km |
| Peninsula Gem & Geology Society, Inc. | Los Altos, California | 33km |
| Sequoia Gem and Mineral Society | Redwood City, California | 49km |
A former Hg occurrence/mine located 1.7 km (1.1 miles) WNW of New Almaden, on county land (Almaden Quicksilver County Park). Discovered in 1864. MRDS database accuracy for this location is not stated.
Mineralization is hosted in sedimentary rocks & Late Cretaceous serpentinite. The ore body is irregular. Controls for ore emplacement included the domal structure and fracturing. Local alteration includes silica carbonate alteration of serpentine. Local rocks include rocks of the Franciscan Complex, unit 1 (Coast Ranges).
Local geologic structures include the crest of a domal structure.
Workings include unspecified surface and underground openings with a length of 3,048 meters.
Production data are found in: Bailey and Everhart (1964).
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: | 10103807 |
|---|
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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