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

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.

Allanite	Amorphous	Calcite	Clay	Corundum	Cristobalite	Epidote	Feldspar	Fluorite	Mica
None	Pyrite	Quartz	Smectite-vermiculite	Spinel	Zircon

Albite ()*	Allanite-(Ce) ()*	Behoite ()*	Calcite ()*	Fluorite ()*
Hematite ()*	Magnetite ()*	Microcline ()*	Montmorillonite ()*	Muscovite ()*
Nontronite ()*	Opal ()*	Pyrite ()*	Quartz ()*	Thalénite-(Y) ()*
Uraninite ()*	Yttrialite-(Y) ()*	Zircon ()*

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:
Allanite Amorphous Calcite Clay Corundum Cristobalite Epidote Feldspar Fluorite Mica
None Pyrite Quartz Smectite-vermiculite Spinel Zircon

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	706
Behoite ()*	Cristobalite	Be(OH)₂	24
Calcite ()*	Calcite	Ca(CO₃)	27770
Fluorite ()*	Fluorite	CaF₂	9617
Hematite ()*	Corundum	Fe₂O₃	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	471
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Thalénite-(Y) ()*	None	Y₃Si₃O₁₀F	26
Uraninite ()*	Fluorite	UO₂	2718
Yttrialite-(Y) ()*	None	Y₂Si₂O₇	25
Zircon ()*	Zircon	Zr(SiO₄)	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R130230	Rode Ranch Pegmatite, Llano Co., Texas, USA	https://rruff.info/R130230

All locality data graciously provided by mindat.org

All age data...