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:
White Horse Pass Area, Silver Reef Mountains Area, Chuichu Area, Tat Momoli Mts, Silver Reef District, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA


mindat Locality ID: 274748
mindat URL: http://www.mindat.org/loc-274748.html

Tectonic Settings:

Total number of sublocalities beneath "White Horse Pass Area, Silver Reef Mountains Area, Chuichu Area, Tat Momoli Mts, Silver Reef District, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Copper Standard Mine (Loss Brothers Claims)
Silver Reef Mine (Reef Mine; Cholla Mine; Silver Nugget Mine)

Latitude: 32°42'41"N
Longitude: 111°48'19"W
Decimal Degree (lat, lon): 32.711388888889,-111.80527777778
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 As C Ca Cl Cr Cu F H Mo O Pb S Si V Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneApatiteAragoniteCopperFluoriteFornaciteMiniumMurdochiteNone
PhenakitePlancheiteRocksaltScheelite

15 IMA Minerals at location:
Acanthite  (*)Cerussite  (*)Chrysocolla  (*)Fluorite  (*)Fornacite  (*)
Galena  (*)Mimetite  (*)Minium  (*)Murdochite  (*)Plancheite  (*)
Silver  (*)Vanadinite  (*)Wherryite  (*)Willemite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11462602793
Cerussite  (*)AragonitePb(CO3)11462604979
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O2146259,1462603531
Fluorite  (*)FluoriteCaF211462609617
Fornacite  (*)FornaciteCuPb2(CrO4)(AsO4)(OH)114626085
Galena  (*)RocksaltPbS114626024243
Mimetite  (*)ApatitePb5(AsO4)3Cl11462601107
Minium  (*)MiniumPb2+2Pb4+O41146260247
Murdochite  (*)MurdochiteCu12Pb2O15Cl2114626034
Plancheite  (*)PlancheiteCu8(Si4O11)2(OH)4·H2O114626074
Silver  (*)CopperAg11462605186
Vanadinite  (*)ApatitePb5(VO4)3Cl1146260605
Wherryite  (*)NonePb7Cu2(SO4)4(SiO4)2(OH)211462609
Willemite  (*)PhenakiteZn2SiO41146260303
Wulfenite  (*)ScheelitePbMoO411462601655


No ages have been assigned to this locality yet.
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