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:
Terlingua District, Brewster Co., Texas, USA

Oldest recorded age at locality: 38
Youngest recorded age at locality: 26

mindat Locality ID: 4135
mindat URL: http://www.mindat.org/loc-4135.html

Tectonic Settings:

Total number of sublocalities beneath "Terlingua District, Brewster Co., Texas, USA": 42
Total number of bottom-level sublocalities: 39

Number of Child Localities: 37
Child Localities:
Bobs Mine (Maggie Sink Mine; Neyland-Davis Mine; Mitchell-Gillette Mine)
Brown Prospect
Canyon Group
Chisos Mine (McKinney-Parker Mine)
Colquitt-Tigner Mine (Waldron Mine)
Coltrins Camp
Duncan Group (Hoover And Pilkington)
Lafarell Mine
Le Roi Mine
Little 38 Mine
Lone Star Mine (Tres Cuevas Mine; National Resources Claims)
Lowe Prospect
Margaret D Lode (Maggie D Lode)
Mariposa Mine (California Mountain Mine)
McGoirk Mine
Monte Cristo And Croesus Mine
Rainbow Mine
Rio Grande Quicksilver Mine
Sample Group (Duncan Prospects)
Section 98 Mine
Shoemaker Mine
Star Mine
Study Butte
Tarrant Mine
Terlingua
Two Forty-eight Prospect
Unnamed Localities (EM-BR-V25-22)
Unnamed Localities On Reed Plateau (EM-BR-V25-23)
Unnamed Localities South Of Black Mesa (EM-BR-V25-21)
Unnamed Locality (EM-BR-V24-6)
Unnamed Mine (EM-BR-V25-14)
Unnamed Prospect (EM-BR-U24-2)
Unnamed Prospect (EM-BR-V24-4)
Unnamed Prospect (EM-BR-V24-5)
Unnamed Prospect (EM-BR-V26-5)
Unnamed Prospect (EM-BR-V26-8)
Waldron Workings

Latitude: 29°19'52"N
Longitude: 103°40'35"W
Decimal Degree (lat, lon): 29.331111111111,-103.67638888889

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.

Alunite	Analcime	Aragonite	Baryte	Calcite	Clay	Clinozoisite	Copper	Corundum	Diaspore
Epidote	Epsomite	Feldspar	Fluorite	Garnet	Gypsum	Haxonite	Iron	Kaolinite	Marcasite
Melanterite	Mica	Natrolite	None	Not in a structural group	Olivine	Perovskite	Prehnite	Pyrite	Pyroxene
Quartz	Rutile	Smectite-vermiculite	Sphalerite	Spinel	Titanite

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 Ba Br C Ca Cl Cr F Fe H Hg K Mg Mn N Na Ni O S Si Ti U V

Elements from minerals reported directly at this locality: Ag Al Ca Fe H K Mg Mn Na O S Si Ti U V

Structural Groups for minerals in this locality:
Alunite Analcime Aragonite Baryte Calcite Clay Clinozoisite Copper Corundum Diaspore
Epidote Epsomite Feldspar Fluorite Garnet Gypsum Haxonite Iron Kaolinite Marcasite
Melanterite Mica Natrolite None Not in a structural group Olivine Perovskite Prehnite Pyrite Pyroxene
Quartz Rutile Smectite-vermiculite Sphalerite Spinel Titanite

62 IMA Minerals at location:

Albite ()*	Alunite ()*	Analcime ()*	Anhydrite ()*	Aragonite ()*
Baryte ()*	Beidellite ()*	Calcite ()*	Calomel ()*	Carnotite ()*
Chromite ()*	Cinnabar ()*	Clintonite ()*	Cohenite ()*	Comancheite ()*
Corderoite ()*	Diopside ()*	Edgarbaileyite ()*	Eglestonite ()*	Enstatite ()*
Epidote ()*	Epsomite ()*	Fluorite ()*	Forsterite ()*	Gianellaite ()*
Goethite ()*	Graphite ()*	Grossular ()*	Gypsum ()*	Haxonite ()*
Hematite ()*	Ilmenite ()*	Iron ()*	Jarosite ()*	Kaolinite ()*
Kleinite ()*	Magnetite ()*	Marcasite ()*	Melanterite ()*	Mercury ()*
Metacinnabar ()*	Montmorillonite ()*	Montroydite ()*	Mosesite ()*	Natrolite ()*
Perovskite ()*	Pinchite ()*	Prehnite ()*	Pyrite ()*	Pyrolusite ()*
Quartz ()*	Scorodite ()*	Silver ()*	Spinel ()*	Taenite ()*
Terlinguacreekite ()*	Terlinguaite ()*	Tetrataenite ()*	Titanite ()*	Troilite ()*
Uranophane-α ()*	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
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	269782	8803
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆			1	269783	966
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			2	269782,269788	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	38	32	1	269771	1588
Aragonite ()*	Aragonite	Ca(CO₃)			1	269767	3250
Baryte ()*	Baryte	Ba(SO₄)	38	32	3	269767,269770,269772	11547
Beidellite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3Al₂(Si,Al)₄O₁₀(OH)₂·nH₂O	38	26	0		85
Calcite ()*	Calcite	Ca(CO₃)	38	32	21	269758,269759,269760,269761,269762,269764,269765,269766,269767,269768,269769,269770,269771,269775,269776,269777,269782,269783,269785,269788,269799	27770
Calomel ()*	None	HgCl	38	32	3	269762,269771,269772	91
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O	38	26	0		1184
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	269784	3902
Cinnabar ()*	None	HgS	38	32	22	269758,269759,269760,269761,269762,269764,269766,269767,269768,269769,269770,269771,269774,269775,269776,269777,269780,269783,269785,269787,269788,269799	2600
Clintonite ()*	Mica Clay	CaAlMg₂(SiAl₃O₁₀)(OH)₂			1	269782	86
Cohenite ()*	Perovskite	CFe₃			1	269784	77
Comancheite ()*	None	Hg²⁺₅₅N^3-₂₄(NH₂,OH)₄(Cl,Br)₃₄	38	32	2	269767,269771	2
Corderoite ()*	None	Hg₃S₂Cl₂	38	32	1	269771	16
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	269784	4135
Edgarbaileyite ()*	None	Hg¹⁺₆Si₂O₇	38	32	1	269771	6
Eglestonite ()*	None	([Hg¹⁺]₂)₃OCl₃(OH)	38	32	2	269770,269771	36
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	269784	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	269782	8173
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	38	26	0		484
Fluorite ()*	Fluorite	CaF₂			10	269760,269767,269769,269770,269777,269789,269790,269791,269792,269794	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)			1	269784	1188
Gianellaite ()*	None	(Hg₂N)₂(SO₄)(H₂O)_x	38	32	1	269771	3
Goethite ()*	Diaspore	FeO(OH)	38	32	2	269761,269771	7437
Graphite ()*	None	C			1	269784	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃			1	269782	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	38	32	2	269761,269771	6890
Haxonite ()*	Haxonite	(Fe,Ni)₂₃C₆			1	269784	26
Hematite ()*	Corundum	Fe₂O₃	38	32	2	269762,269771	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	38	26	0		5433
Iron ()*	Iron	Fe			1	269784	1089
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	38	32	4	269761,269769,269771,269783	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			2	269761,269767	5591
Kleinite ()*	None	(Hg₂N)(Cl,SO₄)·nH₂O	38	32	1	269771	3
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	269784	14899
Marcasite ()*	Marcasite	FeS₂			3	269761,269769,269783	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	38	26	0		915
Mercury ()*	None	Hg	38	32	2	269770,269771	397
Metacinnabar ()*	Sphalerite	HgS	38	32	3	269767,269771,269785	255
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O			1	269782	1508
Montroydite ()*	None	HgO	38	32	1	269771	29
Mosesite ()*	None	(Hg₂N)Cl	38	32	1	269771	6
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	38	26	0		1236
Perovskite ()*	Perovskite	CaTiO₃			1	269784	495
Pinchite ()*	None	Hg₅O₄Cl₂	38	32	1	269771	1
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			1	269782	1898
Pyrite ()*	Pyrite	FeS₂			7	269761,269765,269769,269774,269783,269785,269788	39462
Pyrolusite ()*	Rutile	MnO₂	38	26	0		3106
Quartz ()*	Quartz	SiO₂	38	32	3	269767,269769,269771	61156
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			1	269769	1153
Silver ()*	Copper	Ag	38	26	0		5186
Spinel ()*	Spinel	MgAl₂O₄			1	269784	1934
Taenite ()*	None	(Ni,Fe)			1	269784	703
Terlinguacreekite ()*	None	Hg²⁺₃O₂Cl₂	38	32	2	269771,269772	2
Terlinguaite ()*	None	Hg₂OCl	38	32	3	269770,269771,269772	22
Tetrataenite ()*	None	FeNi			1	269784	116
Titanite ()*	Titanite	CaTi(SiO₄)O	38	26	0		4899
Troilite ()*	None	FeS			1	269784	1044
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	38	26	0		890
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	269782	1025

2 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
	Hg-00039	38	32		Ar-Ar, K-Ar		high						Calomel, Cinnabar, Comancheite, Corderoite, Edgarbaileyite, Gianellaite, Kleinite, Mercury, Metacinnabar, Montroydite, Mosesite, Pinchite, Terlinguaite, Eglestonite, Terlinguacreekite	Hg	4128	Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA		Thompson (1954); Henry et al. (1997)
	NAVDAT-12658	38	26	34.3+3.7/-8.3					12658						42619	Unnamed Prospect (EM-BR-V26-8), Terlingua District, Brewster Co., Texas, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL
R060731	Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA	https://rruff.info/R060731
R060492	Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA	https://rruff.info/R060492
R070499	Terlingua, Terlingua District, Brewster Co., Texas, USA	https://rruff.info/R070499
R060734	Terlingua, Terlingua District, Brewster Co., Texas, USA	https://rruff.info/R060734
R150103	Terlingua, Terlingua District, Brewster Co., Texas, USA	https://rruff.info/R150103
R140877	Terlingua, Terlingua District, Brewster Co., Texas, USA	https://rruff.info/R140877
R140878	Terlingua, Terlingua District, Brewster Co., Texas, USA	https://rruff.info/R140878

All locality data graciously provided by mindat.org

All age data...