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

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

mindat Locality ID: 31252
mindat URL: http://www.mindat.org/loc-31252.html

Tectonic Settings:

Total number of sublocalities beneath "Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA": 159
Total number of bottom-level sublocalities: 133

Number of Child Localities: 67
Child Localities:
Amended Apricot Mine
American Mine
Andrada Marble Pit No. 2
Andrada Marble Quarry
Beuhman Hill
Black Horse Mine
Black Horse Shaft Area
Blow Out Mine
Blue Rock Nos. 1 And 2 Mine
Broad Top Mine (Alta Copper Mine)
Christenson-Lane Group
Clum Clanny Mine
Coffee Pot Mountain Zeolite Occurrence
Columbia Mine
Comett Mine
Connecticut Mine
Copper Cut Mine
Crescent Mining Properties
Crown Claims Nos. 1 & 2
Cuprite Mine Area
Cyrus Prospect
Empire Ranch
Exchange Mine
Fairview Nos. 1 And 2
Falls Claim
Feather Mine
Franklin-Cushing & Marion Mine Group (Rosemont Group; Lewisohn Estate)
Frijole Prospect
Glance Mine
Half Moon No. 2 Mine
Helvetia
Helvetia ANAMAX Prospect
Helvetia Mine (Helvetia Deposit; Santa Rita Mountains Deposit; Helvetica Deposit)
Helvetia-Rosemont Area
Humbug Mine
Imerys Marble Quarry (Santa Rita Quarry; Santa Rita Limestone; Calcium Products Of Arizona Quarry; Pfizer Specialty Minerals Marble Quarry; Specialty Minerals Inc.; Sabado No. 1 - O.S. 1 & 2 - Butch 1-3 & 5)
Indian Club Claim
La Esperanza Mine
Little Pete Mine
Lost Boy Mine
MacFarland Fraction
Metallic Mine
Mohawk Extension Mine
Morning Glory No. 3 Mine
Mount Fagan
Muheim-Grafen Mine
Navarro Mine
Newman Mine (South Veins; Newman North)
Norman Queen Mine
Oregon Copper Mine (Coconino Mine; Chicago Mine)
Papago Mine
Peach-Elgin Copper Deposit
Pilot Mine (Pilot Claim)
Providencia Canyon
Rex Extension Mine
Rosemont (Rosemont Camp)
Rosemont Area (Rosemont Camp Area)
Rosemont District - Southern Half
Rosemont Lease
Rosemont Mine
Santa Rita Mountains Mine (Santa Rita Mountains Wollastonite Occurrence)
South End Mine
Tally-Ho Mine
Tres Amigos Mine
Unnamed Ag-Cu Mine
Unnamed Asbestos Occurrence (2)
Unnamed Smelter Slag Locality

Latitude: 31°51'41"N
Longitude: 110°44'58"W
Decimal Degree (lat, lon): 31.861388888889,-110.74944444444

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

Elements from minerals reported directly at this locality: Al Cl Cu H K O P Pb S Si V Zr 

Structural Groups for minerals in this locality: 
AcanthiteAdeliteAllophaneAluniteAmorphousAmphiboleAnalcimeAndalusiteApatiteAragonite
ArsenicBaryteBournoniteBrackebuschiteBrochantiteCalciteChalcanthiteChalcopyriteClayClinozoisite
CopperCorundumCovelliteDiasporeEpidoteFeldsparFluoriteGadoliniteGarnetGypsum
KaoliniteLepidocrociteMalachiteMarcasiteMicaMolybdeniteNickelineNoneNot in a structural groupPlancheite
PrehnitePyritePyrochlorePyroxeneQuartzRocksaltScheeliteSmectite-vermiculiteSphaleriteSpinel
TetrahedriteVesuvianiteWollastoniteZircon

79 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Albite  (*)Almandine  (*)Analcime  (*)
Andradite  (*)Anglesite  (*)Anthophyllite  (*)Antimony  (*)Antlerite  (*)
Augite  (*)Aurichalcite  (*)Azurite  (*)Bayldonite  (*)Bindheimite  (*)
Bornite  (*)Bournonite  (*)Brochantite  (*)Calcite  (*)Cerussite  (*)
Chalcanthite  (*)Chalcocite  (*)Chalcopyrite  (*)Chlorargyrite  (*)Chrysocolla  (*)
Conichalcite  (*)Copper  (*)Covellite  (*)Cuprite  (*)Cuprotungstite  (*)
Datolite  (*)Diopside  (*)Dioptase  (*)Djurleite  (*)Epidote  (*)
Fluorite  (*)Galena  (*)Goethite  (*)Gold  (*)Grossular  (*)
Gypsum  (*)Hematite  (*)Hemimorphite  (*)Jarosite  (*)Kaolinite  (*)
Kinoite  (*)Lepidocrocite  (*)Libethenite  (*)Magnetite  (*)Malachite  (*)
Marcasite  (*)Microcline  (*)Mimetite  (*)Molybdenite  (*)Muscovite  (*)
Nontronite  (*)Opal  (*)Orthoclase  (*)Osarizawaite  (*)Plancheite  (*)
Powellite  (*)Prehnite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Rosasite  (*)Scheelite  (*)Smithsonite  (*)Sphalerite  (*)Tenorite  (*)
Tetrahedrite-(Zn)  (*)Tremolite  (*)Tsumebite  (*)Uraninite  (*)Vanadinite  (*)
Vesuvianite  (*)Wollastonite  (*)Wulfenite  (*)Zircon  (*)
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
Almandine  (*)GarnetFe2+3Al2(SiO4)311444082353
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O11444431627
Andradite  (*)GarnetCa3Fe3+2(SiO4)362563144347,144417,1444431534
Anglesite  (*)BarytePb(SO4)625611443472734
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)262561144358718
Antimony  (*)ArsenicSb1144401363
Antlerite  (*)Not in a structural groupCu2+3(SO4)(OH)462561144339246
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O611444532060
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)662563144335,144339,144352919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2625622144327,144328,144331,144335,144337,144339,144341,144346,144352,144354,144370,144373,144379,144399,144413,144419,144423,144426,144429,144440,144442,1444455509
Bayldonite  (*)NoneCu3PbO(AsO3OH)2(OH)21144324172
Bindheimite  (*)PyrochlorePb2Sb5+2O71144324450
Bornite  (*)NoneCu5FeS4625611144327,144335,144341,144349,144379,144385,144399,144411,144413,144426,1444435516
Bournonite  (*)BournoniteCuPbSbS311444001089
Brochantite  (*)BrochantiteCu4(SO4)(OH)6625611443521633
Calcite  (*)CalciteCa(CO3)62568144300,144331,144341,144347,144352,144360,144387,14441927770
Cerussite  (*)AragonitePb(CO3)62563144324,144358,1444294979
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O62564144328,144352,144354,144417925
Chalcocite  (*)NoneCu2S625622144301,144328,144331,144332,144333,144334,144338,144345,144346,144349,144361,144379,144388,144399,144401,144411,144413,144414,144421,144423,144426,1444405707
Chalcopyrite  (*)ChalcopyriteCuFeS2625637144300,144303,144305,144327,144328,144331,144335,144337,144338,144341,144343,144344,144346,144349,144351,144352,144354,144355,144360,144361,144362,144377,144379,144385,144399,144400,144401,144411,144413,144418,144421,144423,144426,144436,144442,144443,14444527198
Chlorargyrite  (*)RocksaltAgCl62562144358,1443591382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O625616144300,144303,144327,144331,144352,144370,144373,144379,144399,144406,144411,144413,144419,144426,144438,1444423531
Conichalcite  (*)AdeliteCaCu(AsO4)(OH)1144443363
Copper  (*)CopperCu62565144327,144352,144370,144385,1444433846
Covellite  (*)CovelliteCuS625611443414165
Cuprite  (*)Not in a structural groupCu2O625616144335,144337,144352,144354,144379,144406,144411,144413,144417,144418,144419,144426,144438,144440,144442,1444452970
Cuprotungstite  (*)NoneCu2+3(WO4)2(OH)262562144328,14435267
Datolite  (*)GadoliniteCaB(SiO4)(OH)1144444498
Diopside  (*)PyroxeneCaMgSi2O662565144335,144379,144408,144411,1444134135
Dioptase  (*)NoneCuSiO3·H2O62560164
Djurleite  (*)NoneCu31S1662563144327,144385,144443300
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)625610144300,144303,144335,144349,144352,144360,144370,144399,144401,1444198173
Fluorite  (*)FluoriteCaF262562144300,1443529617
Galena  (*)RocksaltPbS625616144300,144331,144333,144334,144337,144338,144352,144355,144358,144359,144398,144399,144400,144401,144429,14443624243
Goethite  (*)DiasporeFeO(OH)625611443527437
Gold  (*)CopperAu62564144318,144358,144359,14442930554
Grossular  (*)GarnetCa3Al2(SiO4)311444081544
Gypsum  (*)GypsumCa(SO4)·2H2O62562144352,1443836890
Hematite  (*)CorundumFe2O362567144300,144315,144331,144352,144377,144379,14440114640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O625611443521689
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6625611443312228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4625611443315591
Kinoite  (*)NoneCa2Cu2Si3O10·2H2O62563144327,144385,14444317
Lepidocrocite  (*)LepidocrociteFe3+O(OH)62561144352581
Libethenite  (*)AndalusiteCu2(PO4)(OH)62563144331,144339,144443234
Magnetite  (*)SpinelFe2+Fe3+2O462568144303,144349,144352,144379,144399,144411,144413,14441714899
Malachite  (*)MalachiteCu2(CO3)(OH)2625631144300,144303,144305,144327,144328,144331,144335,144337,144341,144346,144352,144354,144370,144373,144379,144399,144406,144411,144413,144417,144418,144419,144421,144423,144426,144429,144436,144438,144440,144442,14444512537
Marcasite  (*)MarcasiteFeS211443185674
Microcline  (*)FeldsparK(AlSi3O8)625604924
Mimetite  (*)ApatitePb5(AsO4)3Cl11443241107
Molybdenite  (*)MolybdeniteMoS2625615144305,144328,144331,144335,144346,144349,144355,144379,144399,144401,144411,144413,144415,144426,1444455800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)262565144337,144352,144355,144400,14440117380
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O1144401471
Opal  (*)AmorphousSiO2·nH2O62563144298,144352,1443692994
Orthoclase  (*)FeldsparK(AlSi3O8)625611443412349
Osarizawaite  (*)AlunitePb(Al2Cu2+)(SO4)2(OH)66256114435264
Plancheite  (*)PlancheiteCu8(Si4O11)2(OH)4·H2O6256114435274
Powellite  (*)ScheeliteCa(MoO4)625610144302,144328,144346,144349,144352,144360,144361,144363,144364,144365494
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)211444441898
Pyrite  (*)PyriteFeS2625641144300,144303,144305,144318,144328,144331,144335,144338,144343,144344,144345,144346,144349,144351,144352,144354,144355,144358,144359,144360,144361,144362,144363,144364,144365,144377,144379,144387,144399,144400,144401,144411,144413,144415,144418,144421,144423,144426,144436,144442,14444539462
Pyrrhotite  (*)NickelineFe7S811444009056
Quartz  (*)QuartzSiO262568144300,144331,144337,144341,144352,144355,144358,14436961156
Rosasite  (*)MalachiteCuZn(CO3)(OH)262563144327,144331,144352454
Scheelite  (*)ScheeliteCa(WO4)625614144302,144305,144328,144335,144349,144352,144358,144359,144360,144361,144363,144364,144365,1444454894
Smithsonite  (*)CalciteZn(CO3)62562144335,1443522473
Sphalerite  (*)SphaleriteZnS625612144300,144331,144335,144343,144349,144352,144355,144398,144399,144400,144401,14444521482
Tenorite  (*)NoneCuO62568144360,144362,144370,144399,144413,144417,144442,1444431101
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1362562144338,1444005317
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)262565144328,144335,144346,144349,1443522562
Tsumebite  (*)BrackebuschitePb2Cu(PO4)(SO4)(OH)6256032
Uraninite  (*)FluoriteUO2625611443352718
Vanadinite  (*)ApatitePb5(VO4)3Cl62560605
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1011444441395
Wollastonite  (*)WollastoniteCaSiO362565144328,144349,144399,144417,1444471247
Wulfenite  (*)ScheelitePbMoO462563144324,144341,1443521655
Zircon  (*)ZirconZr(SiO4)625605251



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

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