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:
Imperial National Wildlife Refuge, Silver District, Trigo Mts, La Paz Co., Arizona, USA


mindat Locality ID: 274895
mindat URL: http://www.mindat.org/loc-274895.html

Tectonic Settings:

Total number of sublocalities beneath "Imperial National Wildlife Refuge, Silver District, Trigo Mts, La Paz Co., Arizona, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Picacho Copper Mine
Riverview Mine (Riverview Claims; Eureka Mine; Bonanza Mine; Old Selby Mine; Old Selby Bonanza Mine)
Segar Lease (Seger Lease)
Trigo Placers (Colorado River Placers)

Latitude: 33°2'26"N
Longitude: 114°35'59"W
Decimal Degree (lat, lon): 33.040555555556,-114.59972222222

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: Au C Ca Cu F Fe H O Pb S Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AragoniteCalciteChalcopyriteCopperFluoriteMalachiteNoneNot in a structural groupPyriteRocksalt
Sphalerite

12 IMA Minerals at location:
Azurite  (*)Calcite  (*)Cerussite  (*)Chalcopyrite  (*)Fluorite  (*)
Galena  (*)Gold  (*)Malachite  (*)Pyrite  (*)Smithsonite  (*)
Sphalerite  (*)Tenorite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211406685509
Calcite  (*)CalciteCa(CO3)2140669,14067027770
Cerussite  (*)AragonitePb(CO3)11406694979
Chalcopyrite  (*)ChalcopyriteCuFeS2114066827198
Fluorite  (*)FluoriteCaF211406709617
Galena  (*)RocksaltPbS114066924243
Gold  (*)CopperAu114067130554
Malachite  (*)MalachiteCu2(CO3)(OH)2114066812537
Pyrite  (*)PyriteFeS2114066939462
Smithsonite  (*)CalciteZn(CO3)11406692473
Sphalerite  (*)SphaleriteZnS114066921482
Tenorite  (*)NoneCuO11406681101



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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