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Groveland, Big Oak Flat Mining District, East Belt, Tuolumne County, California, USAi
Regional Level Types
Groveland- not defined -
Big Oak Flat Mining DistrictMining District
East Belt- not defined -
Tuolumne CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
37° 50' 18'' North , 120° 13' 58'' West
Latitude & Longitude (decimal):
37.83833,-120.23278
GRN:
N26W68
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Groveland601 (2011)0.0km
Greeley Hill915 (2011)13.8km
Tuolumne City1,779 (2011)13.8km
Coulterville201 (2011)14.5km
Soulsbyville2,215 (2011)16.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Calaveras Gem & Mineral SocietyAngels Camp, California37km
Mariposa Gem & Mineral ClubMariposa, California46km
Mindat Locality ID:
97814
Long-form identifier:
mindat:1:2:97814:8
GUID (UUID V4):
0


A populated place.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

8 valid minerals.

Rock Types Recorded

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

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Covellite
Formula: CuS
ⓘ Native Gold
Formula: Au
Localities: Reported from at least 12 localities in this region.
Description: Placer material.
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ 'Psilomelane'
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
ⓘ Rhodonite
Formula: CaMn3Mn[Si5O15]
ⓘ Spessartine
Formula: Mn2+3Al2(SiO4)3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘCovellite2.CA.05aCuS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘPyrolusite4.DB.05Mn4+O2
Group 9 - Silicates
ⓘSpessartine9.AD.25Mn2+3Al2(SiO4)3
ⓘRhodonite9.DK.05CaMn3Mn[Si5O15]
Unclassified
ⓘ'Psilomelane'-

List of minerals for each chemical element

HHydrogen
Hⓘ OpalSiO2 · nH2O
OOxygen
Oⓘ OpalSiO2 · nH2O
Oⓘ PyrolusiteMn4+O2
Oⓘ QuartzSiO2
Oⓘ RhodoniteCaMn3Mn[Si5O15]
Oⓘ SpessartineMn32+Al2(SiO4)3
AlAluminium
Alⓘ SpessartineMn32+Al2(SiO4)3
SiSilicon
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ RhodoniteCaMn3Mn[Si5O15]
Siⓘ SpessartineMn32+Al2(SiO4)3
SSulfur
Sⓘ CovelliteCuS
Sⓘ PyriteFeS2
CaCalcium
Caⓘ RhodoniteCaMn3Mn[Si5O15]
MnManganese
Mnⓘ PyrolusiteMn4+O2
Mnⓘ RhodoniteCaMn3Mn[Si5O15]
Mnⓘ SpessartineMn32+Al2(SiO4)3
FeIron
Feⓘ PyriteFeS2
CuCopper
Cuⓘ CovelliteCuS
AuGold
Auⓘ Native GoldAu

Localities in this Region

USA
USA

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.
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