Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Tom Reed Vein, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA


mindat Locality ID: 36971
mindat URL: http://www.mindat.org/loc-36971.html

Tectonic Settings:

Total number of sublocalities beneath "Tom Reed Vein, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA": 11
Total number of bottom-level sublocalities: 8

Number of Child Localities: 7
Child Localities:
Ben Harrison Oreshoot
Big Jim-Aztec Oreshoot
Black Eagle Oreshoot
Olla Oatman Shaft
Pasadena Claim (Pasadena Prospect; Pasadena Boy Mine; Crown City Mines Company Mine)
Tip Top Oreshoot
Tom Reed Mine (Blue Ridge Mine; Ben Harrison Mine; Big Jim Aztec Mine; Blue Ridge Gold Mines; Red Cloud Mine)

Latitude: 35°8'56"N
Longitude: 114°23'18"W
Decimal Degree (lat, lon): 35.148888888889,-114.38833333333

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Au C Ca Cu F Fe H Mg Mn Mo O Pb S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleCalciteChalcopyriteClayCopperCorundumFluoriteGypsumKaoliniteMinium
NonePyriteRutileScheelite

12 IMA Minerals at location:
Actinolite  (*)Calcite  (*)Chalcopyrite  (*)Fluorite  (*)Gold  (*)
Gypsum  (*)Hematite  (*)Kaolinite  (*)Minium  (*)Pyrite  (*)
Pyrolusite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)211418543419
Calcite  (*)CalciteCa(CO3)3141854,141856,14186027770
Chalcopyrite  (*)ChalcopyriteCuFeS2114185427198
Fluorite  (*)FluoriteCaF22141853,1418609617
Gold  (*)CopperAu4141853,141854,141856,14186030554
Gypsum  (*)GypsumCa(SO4)·2H2O2141854,1418606890
Hematite  (*)CorundumFe2O3114186014640
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411418605591
Minium  (*)MiniumPb2+2Pb4+O41141854247
Pyrite  (*)PyriteFeS2114186039462
Pyrolusite  (*)RutileMnO211418603106
Wulfenite  (*)ScheelitePbMoO411418541655



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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