Langley Hill Quarry and mill, Sky Londa, San Mateo County, California, USAi
Regional Level Types | |
---|---|
Langley Hill Quarry and mill | - not defined - |
Sky Londa | - not defined - |
San Mateo County | County |
California | State |
USA | Country |
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Latitude & Longitude (WGS84):
37° 22' 4'' North , 122° 13' 54'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Portola Valley | 4,594 (2017) | 1.8km |
Ladera | 1,426 (2011) | 4.6km |
La Honda | 928 (2011) | 6.6km |
Woodside | 5,561 (2017) | 7.2km |
West Menlo Park | 3,659 (2011) | 7.7km |
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 |
---|---|---|
Peninsula Gem & Geology Society, Inc. | Los Altos, California | 11km |
Sequoia Gem and Mineral Society | Redwood City, California | 13km |
Santa Clara Valley Gem & Mineral Society | San Jose, California | 30km |
Mineral & Gem Society of Castro Valley | Hayward, California | 36km |
Santa Cruz Mineral and Gem Society | Santa Cruz, California | 47km |
Mindat Locality ID:
92070
Long-form identifier:
mindat:1:2:92070:7
GUID (UUID V4):
c6df089f-be26-4d01-8334-6f32518c70a7
A crushed stone/traprock quarry located in sec. 7, T4S, R3W, MDM, 3.2 km (2.0 miles) ESE of Sky Londa, 4.1 km (2.5m miles) N of Langley Hill and 1.8 km (6,100 feet) S of Portola Valley (on the opposite side of the San Andreas Fault), on private land. Owned & operated by Dempsey, Michael and Pat. MRDS database stated accuracy for this location is 100 meters.
Local rocks include Miocene marine rocks.
Workings include unspecified surface openings.
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.
Detailed Mineral List:
ⓘ Analcime Formula: Na(AlSi2O6) · H2O Description: Glassy crystals in amygdules of basaltic rock. References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 9 - Silicates | |||
---|---|---|---|
ⓘ | Analcime | 9.GB.05 | Na(AlSi2O6) · H2O |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Analcime | Na(AlSi2O6) · H2O |
O | Oxygen | |
O | ⓘ Analcime | Na(AlSi2O6) · H2O |
Na | Sodium | |
Na | ⓘ Analcime | Na(AlSi2O6) · H2O |
Al | Aluminium | |
Al | ⓘ Analcime | Na(AlSi2O6) · H2O |
Si | Silicon | |
Si | ⓘ Analcime | Na(AlSi2O6) · H2O |
Other Databases
Link to USGS MRDS: | 10111035 |
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Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America Plate
Pacific PlateTectonic Plate
USA
- California
- Santa Cruz MountainsMountain Range
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