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:
Rode Ranch Pegmatite, Llano Co., Texas, USA


mindat Locality ID: 4132
mindat URL: http://www.mindat.org/loc-4132.html

Tectonic Settings:

Total number of sublocalities beneath "Rode Ranch Pegmatite, Llano Co., Texas, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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 Be C Ca Ce F Fe H K Mg Na O S Si U Y Zr 

Elements from minerals reported directly at this locality: Al Be C Ca Ce F Fe H K Mg Na O S Si U Y Zr 

Structural Groups for minerals in this locality: 
AllaniteAmorphousCalciteClayCorundumCristobaliteEpidoteFeldsparFluoriteMica
NonePyriteQuartzSmectite-vermiculiteSpinelZircon

18 IMA Minerals at location:
Albite  (*)Allanite-(Ce)  (*)Behoite  (*)Calcite  (*)Fluorite  (*)
Hematite  (*)Magnetite  (*)Microcline  (*)Montmorillonite  (*)Muscovite  (*)
Nontronite  (*)Opal  (*)Pyrite  (*)Quartz  (*)Thalénite-(Y)  (*)
Uraninite  (*)Yttrialite-(Y)  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)08803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)0706
Behoite  (*)CristobaliteBe(OH)2024
Calcite  (*)CalciteCa(CO3)027770
Fluorite  (*)FluoriteCaF209617
Hematite  (*)CorundumFe2O3014640
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Microcline  (*)FeldsparK(AlSi3O8)04924
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O01508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O0471
Opal  (*)AmorphousSiO2·nH2O02994
Pyrite  (*)PyriteFeS2039462
Quartz  (*)QuartzSiO2061156
Thalénite-(Y)  (*)NoneY3Si3O10F026
Uraninite  (*)FluoriteUO202718
Yttrialite-(Y)  (*)NoneY2Si2O7025
Zircon  (*)ZirconZr(SiO4)05251



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
R130230Rode Ranch Pegmatite, Llano Co., Texas, USAhttps://rruff.info/R130230


All locality data graciously provided by mindat.org

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