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:
Loma Prieta Mine (Commercial Mine; Copper Glance Mine; Patented Claims MS 3425; Copper Hill Mine [?]; Copper Basin Group [in Part]), Copper Basin District, Sierra Prieta Mts, Yavapai Co., Arizona, USA

Oldest recorded age at locality: 74
Youngest recorded age at locality: 64

mindat Locality ID: 51336
mindat URL: http://www.mindat.org/loc-51336.html

Tectonic Settings:

Total number of sublocalities beneath "Loma Prieta Mine (Commercial Mine; Copper Glance Mine; Patented Claims MS 3425; Copper Hill Mine [?]; Copper Basin Group [in Part]), Copper Basin District, Sierra Prieta Mts, Yavapai Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 34°29'23"N
Longitude: 112°34'59"W
Decimal Degree (lat, lon): 34.489722222222,-112.58305555556

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 K Mg Mo O S Si 

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mg Mo O S Si 

Structural Groups for minerals in this locality: 
AllophaneAluniteCalciteChalcopyriteClayCopperCorundumFeldsparMalachiteMica
MolybdeniteNoneNot in a structural groupPyrite

18 IMA Minerals at location:
Azurite  (*)Bornite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)
Chrysocolla  (*)Copper  (*)Cuprite  (*)Dolomite  (*)Ferrimolybdite  (*)
Hematite  (*)Jarosite  (*)Malachite  (*)Molybdenite  (*)Muscovite  (*)
Orthoclase  (*)Pyrite  (*)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)2646405509
Bornite  (*)NoneCu5FeS4646405516
Calcite  (*)CalciteCa(CO3)7464027770
Chalcocite  (*)NoneCu2S646405707
Chalcopyrite  (*)ChalcopyriteCuFeS26464027198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O646403531
Copper  (*)CopperCu646403846
Cuprite  (*)Not in a structural groupCu2O646402970
Dolomite  (*)NoneCaMg(CO3)2746409895
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O64640345
Hematite  (*)CorundumFe2O36464014640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6746402228
Malachite  (*)MalachiteCu2(CO3)(OH)26464012537
Molybdenite  (*)MolybdeniteMoS2646405800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)27464017380
Orthoclase  (*)FeldsparK(AlSi3O8)746402349
Pyrite  (*)PyriteFeS26464039462
Tenorite  (*)NoneCuO646401101



5 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
EG94_211-000187474 Pb-Pb whole rock?CB11 Yes  46163Copper Basin District, Sierra Prieta Mts, Yavapai Co., Arizona, USACopper BasinBouse et al. (1999)10.2113/gsecongeo.94.2.211EG94_211 
EG94_211-000197474 Pb-Pb whole rock?CB23 Yes  46163Copper Basin District, Sierra Prieta Mts, Yavapai Co., Arizona, USACopper BasinBouse et al. (1999)10.2113/gsecongeo.94.2.211EG94_211 
EG94_211-000207272 Pb-Pb whole rock?CB31 Yes  46163Copper Basin District, Sierra Prieta Mts, Yavapai Co., Arizona, USACopper BasinBouse et al. (1999)10.2113/gsecongeo.94.2.211EG94_211 
EG94_211-000217272 Pb-Pb whole rock?CB41 Yes  46163Copper Basin District, Sierra Prieta Mts, Yavapai Co., Arizona, USACopper BasinBouse et al. (1999)10.2113/gsecongeo.94.2.211EG94_211 
PorphCu-00685646464     YesActinolite, Arsenopyrite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Cuprite, Epidote, Ferrimolybdite, Galena, Hematite, Marcasite, Molybdenite, Pyrite, Pyrrhotite, Sphalerite, Tenorite, Tremolite, TurquoiseCu46163Copper Basin District, Sierra Prieta Mts, Yavapai Co., Arizona, USACopper BasinSinger et al. (2008) USGSOFR2008_1155 


SampleSource LocalityReference URL


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