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:
Christmas Mts, Brewster Co., Texas, USA

Oldest recorded age at locality: 48
Youngest recorded age at locality: 38

mindat Locality ID: 47185
mindat URL: http://www.mindat.org/loc-47185.html

Tectonic Settings:

Total number of sublocalities beneath "Christmas Mts, Brewster Co., Texas, USA": 11
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Adobe Walls Mine (Armstrong Minerals Mine; Whittaker Claims; Twenty-one Mine)
Christmas Mountain Deposit (Piedra Azul)
Ferandes Mine (Destolin Mine; Scott Claims; Gatlin Claims)
Mount Williams
Paisano Mine (D & F Minerals Mine)
Unnamed Locality (EM-BR-U27-4)
Unnamed Locality (EM-BR-U27-5)
Unnamed Prospect At Mount Williams (EM-BR-U27-6)
Unnamed Prospects Between Corazones Peaks (EM-BR-U27-7)
Unnamed Prospects West Of Corazones Peaks (EM-BR-U27-7)
Unnamed Skarn Deposit

Latitude: 29°27'30"N
Longitude: 103°27'26"W
Decimal Degree (lat, lon): 29.458333333333,-103.45722222222

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.

Amorphous	Aphthitalite	Aragonite	Calcite	Corundum	Fluorite	Garnet	Gypsum	Molybdenite	None
Not in a structural group	Olivine	Perovskite	Pyrite	Quartz	Spinel	Spurrite-Afwillite	Vesuvianite	Wollastonite

Anhydrite ()*	Aragonite ()*	Bredigite ()*	Calcite ()*	Carnotite ()*
Cinnabar ()*	Ferrimolybdite ()*	Fluorite ()*	Grossular ()*	Gypsum ()*
Hematite ()*	Kilchoanite ()*	Larnite ()*	Magnetite ()*	Merwinite ()*
Molybdenite ()*	Monticellite ()*	Opal ()*	Perovskite ()*	Pyrite ()*
Quartz ()*	Rankinite ()*	Siderite ()*	Spurrite ()*	Tilleyite ()*
Vesuvianite ()*	Wollastonite ()*

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: Al Ba C Ca F Fe H Hg K Mg Mo Na O S Si Ti U V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Aphthitalite Aragonite Calcite Corundum Fluorite Garnet Gypsum Molybdenite None
Not in a structural group Olivine Perovskite Pyrite Quartz Spinel Spurrite-Afwillite Vesuvianite Wollastonite

27 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
Anhydrite ()*	Not in a structural group	Ca(SO₄)			1	269724	1588
Aragonite ()*	Aragonite	Ca(CO₃)			1	269724	3250
Bredigite ()*	None	Ca₇Mg(SiO₄)₄			1	269732	13
Calcite ()*	Calcite	Ca(CO₃)	48	38	8	269722,269723,269724,269725,269726,269729,269730,269731	27770
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O			1	269722	1184
Cinnabar ()*	None	HgS	48	38	5	269722,269723,269724,269725,269726	2600
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	48	38	3	269722,269723,269725	345
Fluorite ()*	Fluorite	CaF₂	48	38	9	269722,269723,269725,269726,269727,269728,269729,269730,269731	9617
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃			1	269732	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	48	38	4	269722,269723,269724,269725	6890
Hematite ()*	Corundum	Fe₂O₃			1	269724	14640
Kilchoanite ()*	None	Ca₆(SiO₄)(Si₃O₁₀)			1	269732	9
Larnite ()*	Not in a structural group	Ca₂(SiO₄)			1	269732	48
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	269732	14899
Merwinite ()*	Aphthitalite	Ca₃Mg(SiO₄)₂			1	269732	23
Molybdenite ()*	Molybdenite	MoS₂	48	38	4	269722,269723,269725,269726	5800
Monticellite ()*	Olivine	CaMg(SiO₄)			1	269732	153
Opal ()*	Amorphous	SiO₂·nH₂O			1	269724	2994
Perovskite ()*	Perovskite	CaTiO₃			1	269732	495
Pyrite ()*	Pyrite	FeS₂			2	269724,269726	39462
Quartz ()*	Quartz	SiO₂	48	38	6	269723,269726,269727,269728,269729,269731	61156
Rankinite ()*	None	Ca₃Si₂O₇			1	269732	25
Siderite ()*	Calcite	Fe(CO₃)			2	269724,269726	6417
Spurrite ()*	Spurrite-Afwillite	Ca₅(SiO₄)₂(CO₃)			1	269732	54
Tilleyite ()*	None	Ca₅Si₂O₇(CO₃)₂			1	269732	19
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀			1	269732	1395
Wollastonite ()*	Wollastonite	CaSiO₃			1	269732	1247

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
	NAVDAT-18241	48	38	42+6/-4					18241						41962	Christmas Mountain Deposit (Piedra Azul), Christmas Mts, Brewster Co., Texas, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...