Pescadero Beach Mine, Pescadero, San Mateo County, California, USAi
| Regional Level Types | |
|---|---|
| Pescadero Beach Mine | Mine |
| Pescadero | Census-designated Place |
| San Mateo County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 15' 38'' North , 122° 24' 46'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Pescadero | 643 (2011) | 2.8km |
| Loma Mar | 113 (2011) | 9.3km |
| La Honda | 928 (2011) | 13.9km |
| Portola Valley | 4,594 (2017) | 20.9km |
| Half Moon Bay | 12,657 (2017) | 22.6km |
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 |
|---|---|---|
| Sequoia Gem and Mineral Society | Redwood City, California | 29km |
| Peninsula Gem & Geology Society, Inc. | Los Altos, California | 30km |
| Santa Cruz Mineral and Gem Society | Santa Cruz, California | 46km |
| Santa Clara Valley Gem & Mineral Society | San Jose, California | 47km |
A former gemstone occurrence/mine located 2.9 km (1.8 miles) WNW of Pescadero proper, on the Pescadero beach (strand), on state owned land.
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
3 valid minerals.
Detailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| ⓘ Melanophlogite Formula: 46SiO2 · 6(N2,CO2) · 2(CH4,N2) Description: Chalcedony pseudomorph after melanophlogite. Found in a float sample from the beach (washed ashore from an underwater formation (?)in 1960. |
| ⓘ Quartz Formula: SiO2 Description: Occurs in hollow geodes with liquid and moving bubbles in beach gravels. References: |
| ⓘ Quartz var. Chalcedony Formula: SiO2 Description: Occurs in hollow geodes with liquid and moving bubbles in beach gravels. References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| ⓘ | Melanophlogite | 4.DA.25 | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Unclassified | |||
| ⓘ | 'Hornblende Root Name Group' | - | ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Melanophlogite | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| H | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Melanophlogite | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| N | Nitrogen | |
| N | ⓘ Melanophlogite | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Melanophlogite | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| F | Fluorine | |
| F | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Al | Aluminium | |
| Al | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Melanophlogite | 46SiO2 · 6(N2,CO2) · 2(CH4,N2) |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Cl | Chlorine | |
| Cl | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Other Regions, Features and Areas containing this locality
North America Plate
- California Coast RangesAccretionary Complex
- Northern California Borderland BasinsBasin
- Salinia DomainDomain
Pacific OceanOcean
Pacific PlateTectonic Plate
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