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:
Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA

Oldest recorded age at locality: 2000
Youngest recorded age at locality: 0

mindat Locality ID: 29476
mindat URL: http://www.mindat.org/loc-29476.html

Tectonic Settings:

Total number of sublocalities beneath "Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA": 124
Total number of bottom-level sublocalities: 110

Number of Child Localities: 88
Child Localities:
Abe Lincoln Mine
Alpha Mine (Pima Group; Fries Group)
ANAMAX Quarry (Arizona Portland Cement Co. Quarry)
Ant Hill Group
Antelope Claims
Area West Of Helmet Peak
Batamote Hills
Black Hawk Claims (San Juan 1-2-3 Claims; San Juan 1-3; Los Encinos Claim)
Blue King Mine
Bullion Prospect (Glance Bullion Prospect)
Central Mine
Cobre Verde Mine
Conglomerate Mine
Conqueror Mine
Contention Mine (North Star Mine)
Copper Bullion Mine
Copper Butte Mine (Copper Buttes Copper Mines)
Copper John Mine
Copper King Mine
Copper Prince Mine
Copper Queen Mine (Queen Mine)
Cottonwood Ranch
Cowboy Mine
CWT Mine (C.W.T. Mine)
Damon Mine
Dynamite Copper Prospect (Dynamite Prospect)
Esperanza Mine [new] (Esperanza Pit; Esperanza Open Pit Mines; West Esperanza Mine)
Esperanza Mine Group [old]
Fourteen Karat Amergosa Mine
Fresnal Canyon
Gladstone Prospect
Grace 1-4 Mine
Graveyard Mine
Helmet Peak Area
High Hill Mine (Twin Buttes Mine)
Keystone Mine (Golden Fleece Mine)
La Coronado Mine
Le Roy Mine
Leadville Group
Little Giant Mine
Lone Valley Mine (Serasio Group)
Lucero Property (Lacy-Irvin)
Lucky Strike Mine
Marconi Mine Group
Mineral Hill-Twin Buttes Area
Minnie Mine (Venus Group; Arizona Buttes Group)
New Years Eve Mine (Red Carbonate Mine; Amargosa Mine; Amargosa Property; Snyder Group)
Old Powers Mine
Olive Camp
Olivette And Annette Mines (Olivette Mine; Olive Mine; New Olivette Mine; Corda Brothers Group; Corda Group)
Pandora Mine
Plumed Knight Mine Group
Prosperity Mine Group (Helmet Peak Group; Helmet Peak Mine; Prosperity Claims)
Red Hill Mine
Red Silver Mine
Rich Hill Mine Group
Richie Mine
Rough Rider Group
San Xavier
San Xavier Barite Occurrence
San Xavier Extension Mine (Red Oxide Group; Wakefield Group)
San Xavier Mine (San Xavier Mine Shaft)
San Xavier Mine Area
Scorpio Annex Copper Project
Sharon D Mine
Silver Helmet Mine
Sobby Group
South San Xavier Mine Group (Gray Copper Mine; Franklin Group)
Stevens Mountain
Swastika Mine (Swastika Group; Swastika Property)
Taurus Claim
Twin Buttes
Twin Buttes No. 1 Adit
Twin Buttes Quadrangle
Twin Peak Mine
Two Friends Mine
Unnamed Asbestos Occurrence (3)
Unnamed Cu Prospect (5)
Unnamed Gypsum Occurrence (1)
Victor Consolidated Mining Co. Property
Victor Mine
Victory Mine
Vivienne Mine
Vonomo Mine
Washington Mine
Wellington Mine
West San Xavier Prospect (West San Xavier Shaft)
Whitcomb Mine (Whitcomb Property; Whitecomb Mine)

Latitude: 31°55'8"N
Longitude: 111°5'50"W
Decimal Degree (lat, lon): 31.918888888889,-111.09722222222

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Adelite	Allanite	Allophane	Alunite	Amorphous	Amphibole	Apatite	Aragonite	Atacamite	Baryte
Brochantite	Calcite	Caledonite	Chalcanthite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Columbite	Connellite
Copiapite	Copper	Coquimbite	Corundum	Covellite	Cubanite	Descloizite	Diaspore	Digenite	Enargite
Epidote	Epsomite	Feldspar	Fluorite	Gadolinite	Garnet	Gypsum	Kaolinite	Malachite	Marcasite
Melanterite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Olivine	Palygorskite	Pyrite	Pyroxene
Quartz	Rhabdophane	Rhodonite	Rocksalt	Rutile	Scheelite	Sepiolite	Serpentine	Smectite-vermiculite	Sphalerite
Spinel	Stibnite	Sulphur	Talc	Tetrahedrite	Titanite	Topaz	Tourmaline	Tridymite	Turquoise
Valleriite	Vesuvianite	Wollastonite	Wurtzite

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 B Ba C Ca Ce Cl Cu F Fe H K Mg Mn Mo N Na Nb O P Pb S Sb Si Ta Th Ti U V W Y Zn

Elements from minerals reported directly at this locality: Fe H Mg O S

Structural Groups for minerals in this locality:
Adelite Allanite Allophane Alunite Amorphous Amphibole Apatite Aragonite Atacamite Baryte
Brochantite Calcite Caledonite Chalcanthite Chalcopyrite Chlorite Clay Clinozoisite Columbite Connellite
Copiapite Copper Coquimbite Corundum Covellite Cubanite Descloizite Diaspore Digenite Enargite
Epidote Epsomite Feldspar Fluorite Gadolinite Garnet Gypsum Kaolinite Malachite Marcasite
Melanterite Mica Molybdenite Nickeline None Not in a structural group Olivine Palygorskite Pyrite Pyroxene
Quartz Rhabdophane Rhodonite Rocksalt Rutile Scheelite Sepiolite Serpentine Smectite-vermiculite Sphalerite
Spinel Stibnite Sulphur Talc Tetrahedrite Titanite Topaz Tourmaline Tridymite Turquoise
Valleriite Vesuvianite Wollastonite Wurtzite

114 IMA Minerals at location:

Actinolite ()*	Allanite-(Ce) ()*	Allophane ()*	Alunite ()*	Andradite ()*
Anglesite ()*	Anhydrite ()*	Ankerite ()*	Anorthite ()*	Antigorite ()*
Aragonite ()*	Atacamite ()*	Aurichalcite ()*	Azurite ()*	Baryte ()*
Bassanite ()*	Bornite ()*	Brochantite ()*	Calcite ()*	Caledonite ()*
Cerussite ()*	Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*
Chrysocolla ()*	Clinochlore ()*	Connellite ()*	Copiapite ()*	Copper ()*
Coquimbite ()*	Covellite ()*	Cubanite ()*	Cuprite ()*	Datolite ()*
Descloizite ()*	Digenite ()*	Diopside ()*	Dolomite ()*	Duftite ()*
Enargite ()*	Epidote ()*	Epsomite ()*	Euxenite-(Y) ()*	Ferrimolybdite ()*
Fluorite ()*	Forsterite ()*	Galena ()*	Gerhardtite ()*	Goethite ()*
Goslarite ()*	Grossular ()*	Gypsum ()*	Hedenbergite ()*	Hematite ()*
Hemimorphite ()*	Jarosite ()*	Kaolinite ()*	Kinoite ()*	Laumontite ()*
Lindgrenite ()*	Magnetite ()*	Malachite ()*	Marcasite ()*	Melanterite ()*
Microcline ()*	Molybdenite ()*	Montmorillonite ()*	Mottramite ()*	Muscovite ()*
Nepheline ()*	Nontronite ()*	Opal ()*	Orthoclase ()*	Palygorskite ()*
Phlogopite ()*	Plumbojarosite ()*	Powellite ()*	Pseudoboleite ()*	Pyrite ()*
Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*	Rhodonite ()*
Rosasite ()*	Rutile ()*	Samarskite-(Y) ()*	Scheelite ()*	Schorl ()*
Sepiolite ()*	Siderite ()*	Smithsonite ()*	Sphalerite ()*	Stibnite ()*
Stringhamite ()*	Sulphur ()*	Talc ()*	Tennantite-(Fe) ()*	Tenorite ()*
Tetrahedrite-(Zn) ()*	Titanite ()*	Topaz ()*	Torbernite ()*	Tremolite ()*
Turquoise ()*	Uraninite ()*	Valleriite ()*	Vanadinite ()*	Vesuvianite ()*
Witherite ()*	Wollastonite ()*	Wulfenite ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	67	58	3	144669,144682,144690	3419
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	67	58	1	144609	706
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	58	58	1	144685	470
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	63.1	53	1	144614	966
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	58	58	2	144669,144690	1534
Anglesite ()*	Baryte	Pb(SO₄)	67	58	1	144648	2734
Anhydrite ()*	Not in a structural group	Ca(SO₄)	67	53	5	144593,144614,144662,144669,144690	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	63.1	53	1	144614	3092
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	67	58	1	144695	1036
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	58	58	1	144690	708
Aragonite ()*	Aragonite	Ca(CO₃)	67	58	2	144664,144671	3250
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	67	58	2	144667,144685	544
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	67	58	3	144667,144671,144688	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	67	53	5	144614,144662,144669,144671,144690	5509
Baryte ()*	Baryte	Ba(SO₄)	67	58	3	144672,144674,144685	11547
Bassanite ()*	Rhabdophane	Ca(SO₄)·0.5H₂O	67	58	1	144593	82
Bornite ()*	None	Cu₅FeS₄	67	53	14	144593,144611,144614,144649,144652,144662,144663,144666,144667,144669,144670,144680,144682,144690	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	67	53	4	144614,144669,144671,144690	1633
Calcite ()*	Calcite	Ca(CO₃)	67	58	8	144593,144617,144662,144666,144669,144671,144674,144690	27770
Caledonite ()*	Caledonite	Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆	58	58	1	144690	359
Cerussite ()*	Aragonite	Pb(CO₃)	67	58	3	144648,144674,144690	4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	67	58	1	144671	925
Chalcocite ()*	None	Cu₂S	67	53	13	144593,144607,144614,144649,144652,144662,144663,144666,144669,144670,144682,144688,144690	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	67	53	35	144590,144593,144603,144607,144611,144614,144615,144617,144624,144625,144627,144642,144643,144646,144649,144650,144652,144655,144662,144663,144666,144667,144668,144669,144670,144673,144674,144676,144680,144682,144689,144690,144693,144697,144708	27198
Chlorargyrite ()*	Rocksalt	AgCl	67	58	2	144649,144674	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	67	53	11	144593,144614,144662,144663,144664,144666,144669,144670,144671,144690,144692	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	58	58	1	144690	1756
Connellite ()*	Connellite	Cu₃₆(SO₄)(OH)₆₂Cl₈·6H₂O	67	58	1	144667	295
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	2000	0	0		382
Copper ()*	Copper	Cu	67	53	7	144614,144662,144668,144669,144670,144682,144690	3846
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	67	58	1	144671	136
Covellite ()*	Covellite	CuS	67	53	6	144614,144630,144633,144652,144658,144666	4165
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃	58	58	1	144669	802
Cuprite ()*	Not in a structural group	Cu₂O	67	53	8	144593,144607,144614,144667,144669,144670,144682,144690	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	67	58	1	144670	498
Descloizite ()*	Descloizite	PbZn(VO₄)(OH)	58	58	1	144690	378
Digenite ()*	Digenite	Cu_1.8S	58	58	1	144690	1027
Diopside ()*	Pyroxene	CaMgSi₂O₆	67	58	5	144663,144669,144670,144689,144690	4135
Dolomite ()*	None	CaMg(CO₃)₂	58	58	2	144669,144690	9895
Duftite ()*	Adelite	PbCu(AsO₄)(OH)	58	58	1	144690	220
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	57	53	1	144614	910
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	67	53	7	144593,144614,144652,144666,144674,144689,144690	8173
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	2000	0	0		484
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	67	58	1	144643	414
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	63.1	53	2	144614,144691	345
Fluorite ()*	Fluorite	CaF₂	67	53	5	144593,144614,144669,144677,144690	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	58	58	1	144690	1188
Galena ()*	Rocksalt	PbS	67	53	20	144590,144593,144614,144615,144617,144644,144646,144649,144652,144655,144658,144666,144667,144669,144670,144673,144674,144682,144683,144690	24243
Gerhardtite ()*	None	Cu₂(NO₃)(OH)₃	67	58	1	144667	24
Goethite ()*	Diaspore	FeO(OH)	63.1	53	2	144614,144690	7437
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O	67	58	1	144692	188
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	67	58	2	144670,144690	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	67	53	11	144593,144614,144642,144662,144666,144668,144669,144674,144675,144690,144700	6890
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	67	58	2	144674,144689	741
Hematite ()*	Corundum	Fe₂O₃	67	53	10	144601,144614,144624,144663,144666,144669,144670,144674,144682,144690	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	67	58	2	144671,144688	1689
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	67	53	4	144614,144664,144669,144690	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	67	53	5	144614,144617,144624,144663,144690	5591
Kinoite ()*	None	Ca₂Cu₂Si₃O₁₀·2H₂O	58	58	1	144690	17
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	58	58	1	144690	1271
Lindgrenite ()*	None	Cu₃(Mo⁶⁺O₄)₂(OH)₂	63.1	56.9	1	144614	21
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	67	53	10	144593,144607,144614,144666,144667,144669,144670,144674,144682,144690	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	67	53	10	144593,144614,144662,144663,144664,144666,144669,144670,144671,144690	12537
Marcasite ()*	Marcasite	FeS₂	67	53	7	144593,144607,144614,144666,144671,144682,144688	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	67	58	1	144671	915
Microcline ()*	Feldspar	K(AlSi₃O₈)	58	58	1	144690	4924
Molybdenite ()*	Molybdenite	MoS₂	67	53	11	144586,144593,144614,144641,144643,144662,144663,144666,144669,144670,144690	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	58	53	2	144614,144690	1508
Mottramite ()*	Descloizite	PbCu(VO₄)(OH)	58	58	1	144690	362
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	67	53	6	144614,144617,144646,144669,144670,144690	17380
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	63.1	53	1	144614	884
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	58	58	1	144690	471
Opal ()*	Amorphous	SiO₂·nH₂O	67	58	2	144662,144682	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	63.1	53	1	144614	2349
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	58	58	1	144690	306
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	58	58	1	144690	2273
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆	67	58	2	144674,144690	477
Powellite ()*	Scheelite	Ca(MoO₄)	58	58	2	144689,144690	494
Pseudoboleite ()*	None	Pb₃₁Cu₂₄Cl₆₂(OH)₄₈	67	58	1	144667	33
Pyrite ()*	Pyrite	FeS₂	67	53	24	144587,144593,144601,144610,144614,144617,144624,144625,144646,144649,144652,144658,144662,144663,144666,144667,144668,144669,144670,144674,144682,144689,144690,144692	39462
Pyrolusite ()*	Rutile	MnO₂	58	58	1	144690	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	67	53	5	144601,144614,144652,144666,144690	9056
Quartz ()*	Quartz	SiO₂	67	53	6	144593,144614,144626,144652,144662,144674	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	58	58	1	144690	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	58	58	1	144690	969
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂	67	58	1	144671	454
Rutile ()*	Rutile	TiO₂	58	53	2	144614,144690	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	67	58	1	144643	353
Scheelite ()*	Scheelite	Ca(WO₄)	67	58	6	144637,144662,144666,144669,144689,144690	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	58	58	1	144690	2705
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	67	58	1	144671	241
Siderite ()*	Calcite	Fe(CO₃)	58	58	1	144690	6417
Smithsonite ()*	Calcite	Zn(CO₃)	67	58	2	144666,144674	2473
Sphalerite ()*	Sphalerite	ZnS	67	53	26	144590,144593,144601,144607,144611,144614,144615,144617,144646,144648,144649,144652,144655,144658,144663,144666,144667,144669,144670,144671,144673,144674,144676,144682,144683,144690	21482
Stibnite ()*	Stibnite	Sb₂S₃	67	58	2	144690,144709	3418
Stringhamite ()*	None	CaCu(SiO₄)·H₂O	58	58	1	144690	8
Sulphur ()*	Sulphur	S	2000	0	0		2045
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	58	58	1	144690	3337
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	67	58	4	144593,144652,144663,144670	1803
Tenorite ()*	None	CuO	67	53	6	144593,144614,144662,144666,144670,144690	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	67	53	9	144614,144646,144648,144649,144652,144658,144666,144669,144690	5317
Titanite ()*	Titanite	CaTi(SiO₄)O	58	58	1	144690	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	58	58	1	144690	1476
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	57	53	1	144614	1059
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	67	58	5	144666,144669,144670,144689,144690	2562
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O	58	53	2	144614,144690	484
Uraninite ()*	Fluorite	UO₂	67	58	3	144624,144625,144643	2718
Valleriite ()*	Valleriite	2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)₂]	67	58	1	144670	237
Vanadinite ()*	Apatite	Pb₅(VO₄)₃Cl	58	58	1	144690	605
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	58	58	1	144690	1395
Witherite ()*	Aragonite	Ba(CO₃)	58	58	1	144669	251
Wollastonite ()*	Wollastonite	CaSiO₃	67	58	6	144662,144664,144666,144668,144669,144690	1247
Wulfenite ()*	Scheelite	PbMoO₄	67	58	4	144666,144674,144690,144692	1655
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	67	58	1	144593	1025

11 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
EG94_211-00050	67	67	67	Pb-Pb	whole rock?	KD-GR2-1			22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00051	67	67	67	Pb-Pb	whole rock?	D-MR2-2			22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00052	63	63	63	Pb-Pb	whole rock?	RS-MR-5			22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00053	58	58	58	Pb-Pb	whole rock?	TWB-Pa			22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
EG94_211-00054	58	58	58	Pb-Pb	whole rock?	QL-85-1			22945	Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Sierrita	Bouse et al. (1999)	10.2113/gsecongeo.94.2.211	EG94_211
Mo-00122	63.1	56.9		K-Ar, Unknown radiometric			Ferrimolybdite, Lindgrenite, Molybdenite	Mo	11013	Esperanza Mine [new] (Esperanza Pit; Esperanza Open Pit Mines; West Esperanza Mine), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA		Titley et al. (1986); Livingston et al. (1968); Barra et al. (2005)
PorphCu-00037	57	53	57–53				Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Enargite, Epidote, Ferrimolybdite, Fluorite, Galena, Jarosite, Kaolinite, Magnetite, Marcasite, Molybdenite, Montmorillonite, Pyrite, Pyrrhotite, Rutile, Sphalerite	Cu	11013	Esperanza Mine [new] (Esperanza Pit; Esperanza Open Pit Mines; West Esperanza Mine), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Esperanza-Sierrita	Singer et al. (2008)		USGSOFR2008_1155
PorphCu-00089	58	58	58				Actinolite, Chalcopyrite, Chrysocolla, Jarosite, Pyrite	Cu	32002	Mission Pit (Mission Mine [old]; East Pima Mine; Mission Porphyry Copper Deposit), Mission Complex, San Xavier, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Mission–Pima	Singer et al. (2008)		USGSOFR2008_1155
PorphCu-00012	58	58	58				Actinolite, Bornite, Brochantite, Chalcopyrite, Chrysocolla, Copper, Diopside, Epidote, Ferrimolybdite, Fluorite, Galena, Magnetite, Molybdenite, Montmorillonite, Powellite, Pyrite, Pyrolusite, Pyrrhotite, Scheelite, Siderite, Sphalerite, Wollastonite	Cu	3376	Twin Buttes Mine (Twin Buttes Open Pit Mine), Twin Buttes, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	Twin Buttes	Singer et al. (2008)		USGSOFR2008_1155
NAVDAT-51646	2000	0	1000±1000			51646			190326	Unnamed Cu Prospect (5), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA		NAVDAT		NAVDAT
NAVDAT-51659	2000	0	1000±1000			51659			190326	Unnamed Cu Prospect (5), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL
R050053	Pima Mine (Pima Open Pit Mine), Mission Complex, San Xavier, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	https://rruff.info/R050053
R040029	Twin Buttes, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA	https://rruff.info/R040029

All locality data graciously provided by mindat.org

All age data...