Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Santa Cruz offshore basin, Los Angeles County, California, USAi
Regional Level Types
Santa Cruz offshore basinBasin
Los Angeles CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
Area:
150 km2
Type:
Basin
Mindat Locality ID:
218441
Long-form identifier:
mindat:1:2:218441:1
GUID (UUID V4):
0


A submarine basin off the coast of Los Angeles County.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘOpal4.DA.10SiO2 · nH2O
Group 9 - Silicates
ⓘSepiolite9.EE.25Mg4(Si6O15)(OH)2 · 6H2O

List of minerals for each chemical element

HHydrogen
Hⓘ OpalSiO2 · nH2O
Hⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
OOxygen
Oⓘ OpalSiO2 · nH2O
Oⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
MgMagnesium
Mgⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
SiSilicon
Siⓘ OpalSiO2 · nH2O
Siⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.
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

Fleischer, P. (1972) Sepiolite associated with Miocene diatomite, Santa Cruz basin, California. American Mineralogist: 57: 903-913
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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