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Salton Sea Geothermal field, Salton Sea, Imperial County, California, USAi
Regional Level Types
Salton Sea Geothermal field- not defined -
Salton SeaSaline Lake
Imperial CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
33° North , 115° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~31km
GRN:
N23W69
Köppen climate type:
BWh : Hot deserts climate
Mindat Locality ID:
218237
Long-form identifier:
mindat:1:2:218237:0
GUID (UUID V4):
0


Occurrences located in discharge pipes from the exploited Salton Sea geothermal field.

Mineralization is sulphide and sulfosalt deposition in geothermal well discharge pipes.

The sedimentary units within the Salton Sea geothermal field have been heated from depth due to prolonged rifting in the trough and associated silica-rich magmatism. This heating yields hot, advecting brine and progressive metamorphic grade rocks. For example, in the State 2-14 drill core, these metamorphic grades include a chlorite-calcite zone from ~610- to 2,480-m depth (corresponding to ~180°–325°C), a biotite zone from ~2,480- to 3,000-m depth (corresponding to ~325°–350°C), and a clinopyroxene zone from ~3,000- to 3,180-m depth (corresponding to temperatures >~350°C), where the names of each zone correspond to the first appearance of the characteristic minerals for that grade.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘArsenopyrite
Formula:FeAsS
ⓘChalcocite
Formula:Cu2S
ⓘChalcopyrite
Formula:CuFeS2
ⓘPyrite
Formula:FeS2
ⓘStromeyerite
Formula:AgCuS
ⓘ'Tetrahedrite Subgroup'
Formula:Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘStromeyerite2.BA.40AgCuS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S

List of minerals for each chemical element

SSulfur
SⓘArsenopyriteFeAsS
SⓘChalcopyriteCuFeS2
SⓘChalcociteCu2S
SⓘPyriteFeS2
SⓘStromeyeriteAgCuS
SⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
FeIron
FeⓘArsenopyriteFeAsS
FeⓘChalcopyriteCuFeS2
FeⓘPyriteFeS2
CuCopper
CuⓘChalcopyriteCuFeS2
CuⓘChalcociteCu2S
CuⓘStromeyeriteAgCuS
CuⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
AsArsenic
AsⓘArsenopyriteFeAsS
AgSilver
AgⓘStromeyeriteAgCuS
SbAntimony
SbⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate
Pacific PlateTectonic Plate

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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

Skinner, Brian J., White, Donald E., Rose, Harry J., Mays, Robert E. (1967) Sulfides associated with the Salton Sea geothermal brine.Economic Geology, 62 (3) 316-330doi:10.2113/gsecongeo.62.3.316
Pemberton, H. Earl (1983)Minerals of California. Van Nostrand Reinhold Company Inc.
[1]Humphreys, J.; Brounce, M.; McKibben, M. A.; Dobson, P.; Planavsky, N.; Kalderon-Asael, B. (2025) Characterization of Li in the Salton Sea Geothermal Field.Economic Geology, 120 (5). 1071-1088doi:10.5382/econgeo.5161
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