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Orestimba Mining District, Diablo Range, Stanislaus Co., California, USAi
Regional Level Types
Orestimba Mining DistrictMining District
Diablo RangeMountain Range
Stanislaus Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
37° North , 121° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~5km
Locality type:


A Hg mining area located along the Santa Clara-Stanislaus County line and Orestimba Creek.

Regions containing this locality

Pacific OceanOcean
North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

4 valid minerals.

Detailed Mineral List:

Alumohydrocalcite
Formula: CaAl2(CO3)2(OH)4 · 4H2O
Reference: Dunning, G. E. (2000): Chromian dawsonite and chromian alumohydrocalcite from Orestimba Creek, Stanislaus County, California. Mineralogical Record 31, 333-338.
Alumohydrocalcite var: Chromian Alumohydrocalcite
Formula: Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
Reference: Dunning, G. E. (2000): Chromian dawsonite and chromian alumohydrocalcite from Orestimba Creek, Stanislaus County, California. Mineralogical Record 31, 333-338.
Cinnabar
Formula: HgS
Dawsonite
Formula: NaAlCO3(OH)2
Reference: Dunning, G. E. (2000): Chromian dawsonite and chromian alumohydrocalcite from Orestimba Creek, Stanislaus County, California. Mineralogical Record 31, 333-338.
Dawsonite var: Chromian Dawsonite
Formula: Na(Al,Cr)CO3(OH)2
Reference: Dunning, G. E. (2000): Chromian dawsonite and chromian alumohydrocalcite from Orestimba Creek, Stanislaus County, California. Mineralogical Record 31, 333-338.
Magnesite
Formula: MgCO3

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Group 5 - Nitrates and Carbonates
Alumohydrocalcite5.DB.05CaAl2(CO3)2(OH)4 · 4H2O
var: Chromian Alumohydrocalcite5.DB.05Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
Dawsonite5.BB.10NaAlCO3(OH)2
var: Chromian Dawsonite5.BB.10Na(Al,Cr)CO3(OH)2
Magnesite5.AB.05MgCO3

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Dawsonite16a.3.8.1NaAlCO3(OH)2
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Alumohydrocalcite16b.2.3.1CaAl2(CO3)2(OH)4 · 4H2O
Unclassified Minerals, Mixtures, etc.
var: Chromian Alumohydrocalcite-Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
Dawsonite
var: Chromian Dawsonite
-Na(Al,Cr)CO3(OH)2

List of minerals for each chemical element

HHydrogen
H Dawsonite (var: Chromian Dawsonite)Na(Al,Cr)CO3(OH)2
H Alumohydrocalcite (var: Chromian Alumohydrocalcite)Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
H DawsoniteNaAlCO3(OH)2
H AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
CCarbon
C Dawsonite (var: Chromian Dawsonite)Na(Al,Cr)CO3(OH)2
C Alumohydrocalcite (var: Chromian Alumohydrocalcite)Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
C MagnesiteMgCO3
C DawsoniteNaAlCO3(OH)2
C AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
OOxygen
O Dawsonite (var: Chromian Dawsonite)Na(Al,Cr)CO3(OH)2
O Alumohydrocalcite (var: Chromian Alumohydrocalcite)Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
O MagnesiteMgCO3
O DawsoniteNaAlCO3(OH)2
O AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
NaSodium
Na Dawsonite (var: Chromian Dawsonite)Na(Al,Cr)CO3(OH)2
Na DawsoniteNaAlCO3(OH)2
MgMagnesium
Mg MagnesiteMgCO3
AlAluminium
Al Dawsonite (var: Chromian Dawsonite)Na(Al,Cr)CO3(OH)2
Al Alumohydrocalcite (var: Chromian Alumohydrocalcite)Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
Al DawsoniteNaAlCO3(OH)2
Al AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
SSulfur
S CinnabarHgS
CaCalcium
Ca Alumohydrocalcite (var: Chromian Alumohydrocalcite)Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
Ca AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
CrChromium
Cr Dawsonite (var: Chromian Dawsonite)Na(Al,Cr)CO3(OH)2
Cr Alumohydrocalcite (var: Chromian Alumohydrocalcite)Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
HgMercury
Hg CinnabarHgS

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10040865, 10040866.

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