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Interstate highway 80 - highway 4 intersection area, Hercules, Contra Costa County, California, USAi
Regional Level Types
Interstate highway 80 - highway 4 intersection areaOccurrence
HerculesCity
Contra Costa CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° 0' 54'' North , 122° 16' 8'' West
Latitude & Longitude (decimal):
38.01505,-122.26896
GeoHash:
G#: 9qc038qmw
GRN:
N26W69
Type:
Occurrence
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Hercules25,314 (2017)1.7km
Rodeo8,679 (2011)2.0km
Pinole19,269 (2017)2.9km
Bayview1,754 (2011)4.5km
Tara Hills5,126 (2011)4.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Vallejo Gem & Mineral SocietyVallejo, California10km
Northern California Geological SocietyOrinda, California17km
Contra Costa Mineral & Gem SocietyConcord, California21km
San Francisco Gem and Mineral Society, Inc.San Francisco, California30km
Antioch Lapidary ClubAntioch, California41km
Mindat Locality ID:
217700
Long-form identifier:
mindat:1:2:217700:0
GUID (UUID V4):
0


A zeolite occurrence located around the highways intersection.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


Detailed Mineral List:

ⓘ 'Clinoptilolite Subgroup'
Formula: (Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Description: Authigenic. A common constituent of Miocene Brones Sandstone. An early alteration product of volcanic glass.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Unclassified
ⓘ'Clinoptilolite Subgroup'-(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O

List of minerals for each chemical element

HHydrogen
Hⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
OOxygen
Oⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
NaSodium
Naⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
AlAluminium
Alⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
SiSilicon
Siⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
KPotassium
Kⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
CaCalcium
Caⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Murata, K.J. and Whiteley, K.R. (1973) Zeolites in the Miocene Briones sandstone and related formations of the central Coast Ranges, California. USGS Journal of Resources: 1: 256-257
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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