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:
Shafter District, Presidio Co., Texas, USA

Oldest recorded age at locality: 60.5
Youngest recorded age at locality: 59.9

mindat Locality ID: 30351
mindat URL: http://www.mindat.org/loc-30351.html

Tectonic Settings:

Total number of sublocalities beneath "Shafter District, Presidio Co., Texas, USA": 16
Total number of bottom-level sublocalities: 16

Number of Child Localities: 16
Child Localities:
Carr Prospect
Chinati Mine
Cibolo Mine
Gleim Mine
Last Chance Mine (Young Mine)
MacDaniel Prospect (Leland Prospect)
Montezuma Mine And Montezuma Mining Co. Prospects
Perry Mine
Presidio Mine
Red Hills Cu-Mo Deposit
Ross Mine
Shafter Silver Mine
Stauber Mine
Sullivan Mine (Carr Mine)
Unnamed Prospect (PR-PR-R20-10)
Unnamed Prospect (PR-PR-R20-9)

Latitude: 29°48'29"N
Longitude: 104°21'46"W
Decimal Degree (lat, lon): 29.808055555556,-104.36277777778

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.

Acanthite	Allophane	Alunite	Apatite	Aragonite	Baryte	Bixbyite	Calcite	Chalcopyrite	Clay
Copper	Corundum	Covellite	Descloizite	Iron	Mica	Molybdenite	None	Not in a structural group	Pyrite
Quartz	Rocksalt	Sphalerite	Tetrahedrite

Acanthite ()*	Anglesite ()*	Bixbyite ()*	Bromargyrite ()*	Calcite ()*
Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Chrysocolla ()*
Clausthalite ()*	Covellite ()*	Descloizite ()*	Dolomite ()*	Galena ()*
Halite ()*	Hematite ()*	Hemimorphite ()*	Iron ()*	Jarosite ()*
Lead ()*	Litharge ()*	Molybdenite ()*	Muscovite ()*	Naumannite ()*
Plumbojarosite ()*	Pyrite ()*	Quartz ()*	Silver ()*	Smithsonite ()*
Sphalerite ()*	Sylvite ()*	Tetrahedrite-(Zn) ()*	Vanadinite ()*

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 Br C Ca Cl Cu Fe H K Mg Mn Mo Na O Pb S Sb Se Si V Zn

Elements from minerals reported directly at this locality: Ag Br O Pb Se

Structural Groups for minerals in this locality:
Acanthite Allophane Alunite Apatite Aragonite Baryte Bixbyite Calcite Chalcopyrite Clay
Copper Corundum Covellite Descloizite Iron Mica Molybdenite None Not in a structural group Pyrite
Quartz Rocksalt Sphalerite Tetrahedrite

34 IMA Minerals at location:

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
Acanthite ()*	Acanthite	Ag₂S			2	270903,270905	2793
Anglesite ()*	Baryte	Pb(SO₄)			4	270896,270901,270902,270903	2734
Bixbyite ()*	Bixbyite	Mn³⁺₂O₃	60.5	59.9	1	270904	104
Bromargyrite ()*	Rocksalt	AgBr	60.5	59.9	0		227
Calcite ()*	Calcite	Ca(CO₃)			8	270896,270898,270900,270901,270902,270903,270905,270908	27770
Cerussite ()*	Aragonite	Pb(CO₃)			6	270896,270901,270902,270903,270905,270908	4979
Chalcocite ()*	None	Cu₂S	60.5	59.9	1	270904	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	60.5	59.9	2	270903,270904	27198
Chlorargyrite ()*	Rocksalt	AgCl			2	270903,270905	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	270903	3531
Clausthalite ()*	Rocksalt	PbSe	60.5	59.9	0		281
Covellite ()*	Covellite	CuS			1	270903	4165
Descloizite ()*	Descloizite	PbZn(VO₄)(OH)			1	270903	378
Dolomite ()*	None	CaMg(CO₃)₂			4	270896,270902,270903,270908	9895
Galena ()*	Rocksalt	PbS			9	270895,270896,270899,270900,270901,270902,270903,270905,270908	24243
Halite ()*	Rocksalt	NaCl	60.5	59.9	1	270904	1398
Hematite ()*	Corundum	Fe₂O₃	60.5	59.9	1	270904	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O			2	270896,270903	1689
Iron ()*	Iron	Fe			1	270903	1089
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			1	270902	2228
Lead ()*	Copper	Pb			1	270908	192
Litharge ()*	None	PbO	60.5	59.9	0		139
Molybdenite ()*	Molybdenite	MoS₂	60.5	59.9	1	270904	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	60.5	59.9	1	270904	17380
Naumannite ()*	Not in a structural group	Ag₂Se	60.5	59.9	0		192
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆			1	270903	477
Pyrite ()*	Pyrite	FeS₂	60.5	59.9	4	270901,270903,270904,270908	39462
Quartz ()*	Quartz	SiO₂	60.5	59.9	5	270896,270902,270903,270904,270905	61156
Silver ()*	Copper	Ag			1	270903	5186
Smithsonite ()*	Calcite	Zn(CO₃)			2	270896,270901	2473
Sphalerite ()*	Sphalerite	ZnS	60.5	59.9	5	270896,270901,270903,270904,270908	21482
Sylvite ()*	Rocksalt	KCl	60.5	59.9	1	270904	275
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	270903	5317
Vanadinite ()*	Apatite	Pb₅(VO₄)₃Cl			2	270903,270908	605

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
	PorphCu-00086	60.5	59.9	60.2±0.3									Chalcopyrite, Pyrite	Cu	30976	Red Hills Cu-Mo Deposit, Shafter District, Presidio Co., Texas, USA	Red Hills	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...