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:
Sheep Tanks District, Little Horn Mts, Yuma Co., Arizona, USA


mindat Locality ID: 33781
mindat URL: http://www.mindat.org/loc-33781.html

Tectonic Settings:

Total number of sublocalities beneath "Sheep Tanks District, Little Horn Mts, Yuma Co., Arizona, USA": 12
Total number of bottom-level sublocalities: 9

Number of Child Localities: 6
Child Localities:
Black Eagle Claim
Cementosa Wash
Davis Prospect
Hovatter Claims Group (Barbie Claim; Bomboy Claim; Hilltop Claim)
Kofa Game Range
Smyrna Claim

Latitude: 33°21'30"N
Longitude: 113°42'22"W
Decimal Degree (lat, lon): 33.358333333333,-113.70611111111

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: Ag Al Au Ba C Ca Cu Fe H K Mn O Pb S Si Zn 

Elements from minerals reported directly at this locality: H Mn O 

Structural Groups for minerals in this locality: 
AllophaneAragoniteBaryteCalciteClayCopperCoronaditeCorundumDiasporeMica
NoneQuartzRocksaltRutile

17 IMA Minerals at location:
Anglesite  (*)Aragonite  (*)Aurorite  (*)Baryte  (*)Calcite  (*)
Cerussite  (*)Chalcophanite  (*)Chrysocolla  (*)Galena  (*)Gold  (*)
Groutite  (*)Hematite  (*)Hollandite  (*)Muscovite  (*)Pyrolusite  (*)
Quartz  (*)Rhodochrosite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anglesite  (*)BarytePb(SO4)11494512734
Aragonite  (*)AragoniteCa(CO3)11494523250
Aurorite  (*)NoneMn2+Mn4+3O7·3H2O022
Baryte  (*)BaryteBa(SO4)2149449,14945111547
Calcite  (*)CalciteCa(CO3)8149442,149446,149447,149449,149450,149451,149452,14945327770
Cerussite  (*)AragonitePb(CO3)11494514979
Chalcophanite  (*)NoneZnMn4+3O7·3H2O1149452197
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11494493531
Galena  (*)RocksaltPbS114945124243
Gold  (*)CopperAu4149442,149445,149446,14944930554
Groutite  (*)DiasporeMn3+O(OH)072
Hematite  (*)CorundumFe2O3114944914640
Hollandite  (*)CoronaditeBa(Mn4+6Mn3+2)O162149450,149452243
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22149446,14944917380
Pyrolusite  (*)RutileMnO24149442,149447,149449,1494533106
Quartz  (*)QuartzSiO22149446,14944961156
Rhodochrosite  (*)CalciteMn(CO3)11494491711



No ages have been assigned to this locality yet.

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