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:
Elgin Mine Group, Peach-Elgin Copper Deposit, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA


mindat Locality ID: 36113
mindat URL: http://www.mindat.org/loc-36113.html

Tectonic Settings:

Total number of sublocalities beneath "Elgin Mine Group, Peach-Elgin Copper Deposit, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Dan Mine
Elgin Mine
General Mine

Latitude: 31°51'38"N
Longitude: 110°47'15"W
Decimal Degree (lat, lon): 31.860555555556,-110.7875
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 C Ca Cu Fe H Mg Mo O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneChalcopyriteMalachiteMolybdeniteNoneNot in a structural groupPyritePyroxeneSpinel

10 IMA Minerals at location:
Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)Cuprite  (*)
Diopside  (*)Magnetite  (*)Malachite  (*)Molybdenite  (*)Pyrite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bornite  (*)NoneCu5FeS411444115516
Chalcocite  (*)NoneCu2S11444115707
Chalcopyrite  (*)ChalcopyriteCuFeS2114441127198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11444113531
Cuprite  (*)Not in a structural groupCu2O11444112970
Diopside  (*)PyroxeneCaMgSi2O611444114135
Magnetite  (*)SpinelFe2+Fe3+2O4114441114899
Malachite  (*)MalachiteCu2(CO3)(OH)2114441112537
Molybdenite  (*)MolybdeniteMoS211444115800
Pyrite  (*)PyriteFeS2114441139462


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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