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:
Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA

Oldest recorded age at locality: 62
Youngest recorded age at locality: 56

mindat Locality ID: 49290
mindat URL: http://www.mindat.org/loc-49290.html

Tectonic Settings:

Total number of sublocalities beneath "Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA": 54
Total number of bottom-level sublocalities: 40

Number of Child Localities: 21
Child Localities:
Copper World Mine (Helvetia Mine; Black Horse Shaft; Brunswick Mine; Little Dave Mine; Owasco Mine)
Curtice Mine
Del Rio Mine
Eclipse Mine Group
Exile And King Claims (King-Exile Group; King-Exile Mine Group; Exile King Mine; King In Exile Mine)
Frijole Claim Group
Gunsight Pass
Heavy Weight Hill
Helvetia Wash
Henrietta Prospect
Isle Royal Mine Group
King Mine
Leader Hill
Monument Mountain
Morning Star Mine
Old Dick Mine (American Mine)
Ridley Mine (Graveyard Mine)
Sycamore Canyon
Tiptop Mountain
Unnamed Be Occurrence (1)
Wisconsin Mine

Latitude: 31°51'3"N
Longitude: 110°46'44"W
Decimal Degree (lat, lon): 31.850833333333,-110.77888888889

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 C Ca Cl Cu F Fe H K Mg Mo Na O P Pb S Sb Si U W Zn 

Elements from minerals reported directly at this locality: Ca Cu H O S Si 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAluniteAmorphousAmphiboleAndalusiteAragoniteBaryteBrochantiteCalcite
ChalcanthiteChalcopyriteClayClinozoisiteCopperCorundumCovelliteDiasporeEpidoteFeldspar
FluoriteGarnetGypsumKaoliniteLepidocrociteMalachiteMicaMolybdeniteNoneNot in a structural group
PlancheitePyritePyroxeneQuartzRocksaltScheeliteSphaleriteSpinelTetrahedriteWollastonite

58 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Albite  (*)Andradite  (*)Anglesite  (*)
Anthophyllite  (*)Antlerite  (*)Aurichalcite  (*)Azurite  (*)Bornite  (*)
Brochantite  (*)Calcite  (*)Cerussite  (*)Chalcanthite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chlorargyrite  (*)Chrysocolla  (*)Copper  (*)Covellite  (*)
Cuprite  (*)Cuprotungstite  (*)Diopside  (*)Djurleite  (*)Epidote  (*)
Fluorite  (*)Galena  (*)Goethite  (*)Gold  (*)Gypsum  (*)
Hematite  (*)Hemimorphite  (*)Jarosite  (*)Kaolinite  (*)Kinoite  (*)
Lepidocrocite  (*)Libethenite  (*)Magnetite  (*)Malachite  (*)Molybdenite  (*)
Muscovite  (*)Opal  (*)Orthoclase  (*)Osarizawaite  (*)Plancheite  (*)
Powellite  (*)Pyrite  (*)Quartz  (*)Rosasite  (*)Scheelite  (*)
Smithsonite  (*)Sphalerite  (*)Tenorite  (*)Tetrahedrite-(Zn)  (*)Tremolite  (*)
Uraninite  (*)Wollastonite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S62562144358,1443592793
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2625611443523419
Albite  (*)FeldsparNa(AlSi3O8)625611443418803
Andradite  (*)GarnetCa3Fe3+2(SiO4)3625611443471534
Anglesite  (*)BarytePb(SO4)625611443472734
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)262561144358718
Antlerite  (*)Not in a structural groupCu2+3(SO4)(OH)462561144339246
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)662563144335,144339,144352919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2625612144328,144331,144335,144337,144339,144341,144346,144352,144354,144370,144373,1443795509
Bornite  (*)NoneCu5FeS462564144335,144341,144349,1443795516
Brochantite  (*)BrochantiteCu4(SO4)(OH)6625611443521633
Calcite  (*)CalciteCa(CO3)62565144331,144341,144347,144352,14436027770
Cerussite  (*)AragonitePb(CO3)625611443584979
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O62563144328,144352,144354925
Chalcocite  (*)NoneCu2S625611144328,144331,144332,144333,144334,144338,144345,144346,144349,144361,1443795707
Chalcopyrite  (*)ChalcopyriteCuFeS2625619144328,144331,144335,144337,144338,144341,144343,144344,144346,144349,144351,144352,144354,144355,144360,144361,144362,144377,14437927198
Chlorargyrite  (*)RocksaltAgCl62562144358,1443591382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O62565144331,144352,144370,144373,1443793531
Copper  (*)CopperCu62562144352,1443703846
Covellite  (*)CovelliteCuS625611443414165
Cuprite  (*)Not in a structural groupCu2O62565144335,144337,144352,144354,1443792970
Cuprotungstite  (*)NoneCu2+3(WO4)2(OH)262562144328,14435267
Diopside  (*)PyroxeneCaMgSi2O662562144335,1443794135
Djurleite  (*)NoneCu31S1662560300
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)62565144335,144349,144352,144360,1443708173
Fluorite  (*)FluoriteCaF2625611443529617
Galena  (*)RocksaltPbS62569144331,144333,144334,144337,144338,144352,144355,144358,14435924243
Goethite  (*)DiasporeFeO(OH)625611443527437
Gold  (*)CopperAu62562144358,14435930554
Gypsum  (*)GypsumCa(SO4)·2H2O625611443526890
Hematite  (*)CorundumFe2O362564144331,144352,144377,14437914640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O625611443521689
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6625611443312228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4625611443315591
Kinoite  (*)NoneCa2Cu2Si3O10·2H2O6256017
Lepidocrocite  (*)LepidocrociteFe3+O(OH)62561144352581
Libethenite  (*)AndalusiteCu2(PO4)(OH)62562144331,144339234
Magnetite  (*)SpinelFe2+Fe3+2O462563144349,144352,14437914899
Malachite  (*)MalachiteCu2(CO3)(OH)2625611144328,144331,144335,144337,144341,144346,144352,144354,144370,144373,14437912537
Molybdenite  (*)MolybdeniteMoS262567144328,144331,144335,144346,144349,144355,1443795800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)262563144337,144352,14435517380
Opal  (*)AmorphousSiO2·nH2O62562144352,1443692994
Orthoclase  (*)FeldsparK(AlSi3O8)625611443412349
Osarizawaite  (*)AlunitePb(Al2Cu2+)(SO4)2(OH)66256114435264
Plancheite  (*)PlancheiteCu8(Si4O11)2(OH)4·H2O6256114435274
Powellite  (*)ScheeliteCa(MoO4)62569144328,144346,144349,144352,144360,144361,144363,144364,144365494
Pyrite  (*)PyriteFeS2625623144328,144331,144335,144338,144343,144344,144345,144346,144349,144351,144352,144354,144355,144358,144359,144360,144361,144362,144363,144364,144365,144377,14437939462
Quartz  (*)QuartzSiO262567144331,144337,144341,144352,144355,144358,14436961156
Rosasite  (*)MalachiteCuZn(CO3)(OH)262562144331,144352454
Scheelite  (*)ScheeliteCa(WO4)625611144328,144335,144349,144352,144358,144359,144360,144361,144363,144364,1443654894
Smithsonite  (*)CalciteZn(CO3)62562144335,1443522473
Sphalerite  (*)SphaleriteZnS62566144331,144335,144343,144349,144352,14435521482
Tenorite  (*)NoneCuO62563144360,144362,1443701101
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13625611443385317
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)262565144328,144335,144346,144349,1443522562
Uraninite  (*)FluoriteUO2625611443352718
Wollastonite  (*)WollastoniteCaSiO362562144328,1443491247
Wulfenite  (*)ScheelitePbMoO462562144341,1443521655



1 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
PorphCu-00109625656-62      Bornite, Chalcopyrite, Chrysocolla, Diopside, Epidote, Galena, Gold, Magnetite, Molybdenite, Pyrite, Scheelite, Sphalerite, WollastoniteCu49290Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USAHelvetiaSinger et al. (2008) USGSOFR2008_1155 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...