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:
McLean Mine, Ray Point District, Live Oak Co., Texas, USA

Oldest recorded age at locality: 20
Youngest recorded age at locality: 4.92

mindat Locality ID: 42250
mindat URL: http://www.mindat.org/loc-42250.html

Tectonic Settings:

Total number of sublocalities beneath "McLean Mine, Ray Point District, Live Oak Co., Texas, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 28°29'3"N
Longitude: 98°5'8"W
Decimal Degree (lat, lon): 28.484166666667,-98.085555555556

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	Fluorite	Gypsum	Marcasite	None	Not in a structural group	Pyrite

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: Ca Fe H Mo O S Si Ti U

Elements from minerals reported directly at this locality: Ca Fe H Mo O S Si Ti U

Structural Groups for minerals in this locality:
Amorphous Fluorite Gypsum Marcasite None Not in a structural group Pyrite

7 IMA Minerals at location:

Anatase ()*	Gypsum ()*	Marcasite ()*	Opal ()*	Pyrite ()*
Umohoite ()*	Uraninite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	20	4.92	2162
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	20	4.92	6890
Marcasite ()*	Marcasite	FeS₂	20	4.92	5674
Opal ()*	Amorphous	SiO₂·nH₂O	20	4.92	2994
Pyrite ()*	Pyrite	FeS₂	20	4.92	39462
Umohoite ()*	None	(UO₂)(MoO₄)·2H₂O	20	4.92	16
Uraninite ()*	Fluorite	UO₂	20	4.92	2718

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
	Mo-00245	20	4.92		U-Pb, Pb-Pb, host								Umohoite	Mo	42250	McLean Mine, Ray Point District, Live Oak Co., Texas, USA		Ludwig et al. (1982); Goldhaber et al. (1983)

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...