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:
Randall Co., Texas, USA


mindat Locality ID: 250551
mindat URL: http://www.mindat.org/loc-250551.html

Tectonic Settings:

Total number of sublocalities beneath "Randall Co., Texas, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Umbarger Meteorite

Latitude: 34°57'0"N
Longitude: 102°7'2"W
Decimal Degree (lat, lon): 34.95,-102.11722222222
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: Al C Ca Cl Fe Mg Na O Si 

Elements from minerals reported directly at this locality: C Ca Cl Fe Na O Si 

Structural Groups for minerals in this locality: 
CalciteCoronaditeCorundumGarnetNoneOlivinePyroxeneQuartzRocksaltRutile
Spinel

14 IMA Minerals at location:
Ahrensite  (*)Akimotoite  (*)Augite  (*)Calcite  (*)Enstatite  (*)
Fayalite  (*)Halite  (*)Lingunite  (*)Majorite  (*)Quartz  (*)
Ringwoodite  (*)Siderite  (*)Spinel  (*)Stishovite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ahrensite  (*)SpinelSiFe2O412709303
Akimotoite  (*)CorundumMgSiO3127093010
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O612709302060
Calcite  (*)CalciteCa(CO3)027770
Enstatite  (*)PyroxeneMg2Si2O61270930944
Fayalite  (*)OlivineFe2+2(SiO4)1270930371
Halite  (*)RocksaltNaCl01398
Lingunite  (*)CoronaditeNaAlSi3O812709309
Majorite  (*)GarnetMg3(MgSi)(SiO4)3127093024
Quartz  (*)QuartzSiO2061156
Ringwoodite  (*)SpinelSiMg2O4127093025
Siderite  (*)CalciteFe(CO3)06417
Spinel  (*)SpinelMgAl2O412709301934
Stishovite  (*)RutileSiO2127093026


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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