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:
Mildren Mine (Mildren Claim; Mildred Mine), Mildren Mine Group, Ko Vaya, Cababi District (Comobabi District), Comobabi Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA

Oldest recorded age at locality: 102
Youngest recorded age at locality: 98

mindat Locality ID: 51972
mindat URL: http://www.mindat.org/loc-51972.html

Tectonic Settings:

Total number of sublocalities beneath "Mildren Mine (Mildren Claim; Mildred Mine), Mildren Mine Group, Ko Vaya, Cababi District (Comobabi District), Comobabi Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 32°2'19"N
Longitude: 111°55'45"W
Decimal Degree (lat, lon): 32.038611111111,-111.92916666667

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.

Allophane	Alunite	Apatite	Aragonite	Atacamite	Baryte	Brochantite	Calcite	Caledonite	Clay
Connellite	Copper	Descloizite	Diaspore	Epsomite	Gypsum	Kaolinite	Lepidocrocite	Linarite	Malachite
Matlockite	Minium	Molybdenite	Monazite	None	Not in a structural group	Phenakite	Pyrite	Quartz	Rocksalt
Scheelite	Sphalerite	Tetrahedrite	Wurtzite

Anglesite ()*	Atacamite ()*	Azurite ()*	Baryte ()*	Bornite ()*
Brochantite ()*	Buttgenbachite ()*	Calcite ()*	Caledonite ()*	Cerussite ()*
Chalcocite ()*	Chlorargyrite ()*	Chrysocolla ()*	Copper ()*	Crocoite ()*
Cuprite ()*	Dolomite ()*	Ferrimolybdite ()*	Galena ()*	Goethite ()*
Gold ()*	Goslarite ()*	Gypsum ()*	Hisingerite ()*	Iodargyrite ()*
Jarosite ()*	Leadhillite ()*	Lepidocrocite ()*	Linarite ()*	Litharge ()*
Malachite ()*	Matlockite ()*	Miersite ()*	Minium ()*	Molybdenite ()*
Mottramite ()*	Paratacamite ()*	Pyrite ()*	Pyromorphite ()*	Quartz ()*
Rosasite ()*	Siderite ()*	Smithsonite ()*	Sphalerite ()*	Stromeyerite ()*
Svanbergite ()*	Tetrahedrite-(Zn) ()*	Vanadinite ()*	Willemite ()*	Wulfenite ()*

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 Ba C Ca Cl Cr Cu F Fe H I K Mg Mo N O P Pb S Sb Si Sr V Zn

Elements from minerals reported directly at this locality: Ag Al Au Ba C Ca Cl Cr Cu F Fe H I K Mg Mo N O P Pb S Sb Si Sr V Zn

Structural Groups for minerals in this locality:
Allophane Alunite Apatite Aragonite Atacamite Baryte Brochantite Calcite Caledonite Clay
Connellite Copper Descloizite Diaspore Epsomite Gypsum Kaolinite Lepidocrocite Linarite Malachite
Matlockite Minium Molybdenite Monazite None Not in a structural group Phenakite Pyrite Quartz Rocksalt
Scheelite Sphalerite Tetrahedrite Wurtzite

50 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	102	98	2734
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	102	98	544
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	102	98	5509
Baryte ()*	Baryte	Ba(SO₄)	102	98	11547
Bornite ()*	None	Cu₅FeS₄	102	98	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	102	98	1633
Buttgenbachite ()*	Connellite	Cu₃₆(NO₃)₂Cl₈(OH)₆₂·nH₂O	102	98	13
Calcite ()*	Calcite	Ca(CO₃)	102	98	27770
Caledonite ()*	Caledonite	Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆	102	98	359
Cerussite ()*	Aragonite	Pb(CO₃)	102	98	4979
Chalcocite ()*	None	Cu₂S	102	98	5707
Chlorargyrite ()*	Rocksalt	AgCl	102	98	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	102	98	3531
Copper ()*	Copper	Cu	102	98	3846
Crocoite ()*	Monazite Baryte	Pb(CrO₄)	102	98	81
Cuprite ()*	Not in a structural group	Cu₂O	102	98	2970
Dolomite ()*	None	CaMg(CO₃)₂	102	98	9895
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	102	98	345
Galena ()*	Rocksalt	PbS	102	98	24243
Goethite ()*	Diaspore	FeO(OH)	102	98	7437
Gold ()*	Copper	Au	102	98	30554
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O	102	98	188
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	102	98	6890
Hisingerite ()*	Kaolinite Clay	Fe₂Si₂O₅(OH)₄·2H₂O	102	98	144
Iodargyrite ()*	Wurtzite	AgI	102	98	180
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	102	98	2228
Leadhillite ()*	None	Pb₄(SO₄)(CO₃)₂(OH)₂	102	98	265
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)	102	98	581
Linarite ()*	Linarite	CuPb(SO₄)(OH)₂	102	98	987
Litharge ()*	None	PbO	102	98	139
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	102	98	12537
Matlockite ()*	Matlockite	PbClF	102	98	29
Miersite ()*	Sphalerite	AgI	102	98	10
Minium ()*	Minium	Pb²⁺₂Pb⁴⁺O₄	102	98	247
Molybdenite ()*	Molybdenite	MoS₂	102	98	5800
Mottramite ()*	Descloizite	PbCu(VO₄)(OH)	102	98	362
Paratacamite ()*	Atacamite	Cu₃(Cu,Zn)Cl₂(OH)₆	102	98	158
Pyrite ()*	Pyrite	FeS₂	102	98	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	102	98	1725
Quartz ()*	Quartz	SiO₂	102	98	61156
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂	102	98	454
Siderite ()*	Calcite	Fe(CO₃)	102	98	6417
Smithsonite ()*	Calcite	Zn(CO₃)	102	98	2473
Sphalerite ()*	Sphalerite	ZnS	102	98	21482
Stromeyerite ()*	None	CuAgS	102	98	332
Svanbergite ()*	Alunite	SrAl₃(SO₄)(PO₄)(OH)₆	102	98	105
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	102	98	5317
Vanadinite ()*	Apatite	Pb₅(VO₄)₃Cl	102	98	605
Willemite ()*	Phenakite	Zn₂SiO₄	102	98	303
Wulfenite ()*	Scheelite	PbMoO₄	102	98	1655

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	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	Age Notes
	Giersdorf_00000348	102	98	100±2	K-Ar				UAKA-73-49		Yes				35515	Cababi District (Comobabi District), Comobabi Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA	Papago Indian Reservation	Shafiqullah et al. (1980)		AGSD12_201	Cretaceous sedimentary rocks are in disconformable contact with this intrusion

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...