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

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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: 
AmorphousFluoriteGypsumMarcasiteNoneNot in a structural groupPyrite

7 IMA Minerals at location:
Anatase  (*)Gypsum  (*)Marcasite  (*)Opal  (*)Pyrite  (*)
Umohoite  (*)Uraninite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anatase  (*)Not in a structural groupTiO2204.9202162
Gypsum  (*)GypsumCa(SO4)·2H2O204.9206890
Marcasite  (*)MarcasiteFeS2204.9205674
Opal  (*)AmorphousSiO2·nH2O204.9202994
Pyrite  (*)PyriteFeS2204.92039462
Umohoite  (*)None(UO2)(MoO4)·2H2O204.92016
Uraninite  (*)FluoriteUO2204.9202718



1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Mo-00245204.92 U-Pb, Pb-Pb, host     UmohoiteMo42250McLean Mine, Ray Point District, Live Oak Co., Texas, USA Ludwig et al. (1982); Goldhaber et al. (1983)   


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...