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:
Bluffton, Llano Co., Texas, USA

mindat Locality ID: 250585
mindat URL: http://www.mindat.org/loc-250585.html

Tectonic Settings:

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

Number of Child Localities: 1
Child Localities:
Baringer Hill (Barringer Hill)

Latitude: 30°46'40"N
Longitude: 98°25'58"W
Decimal Degree (lat, lon): 30.777777777778,-98.432777777778

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	Autunite	Chalcopyrite	Clay	Columbite	Copiapite	Corundum	Epidote	Feldspar
Fluorite	Gadolinite	Mica	Molybdenite	None	Pyrite	Quartz	Rowlandite	Rutile	Scheelite
Sphalerite	Spinel	Vesuvianite	Zircon

Albite ()*	Allanite-(Ce) ()*	Autunite ()*	Chalcopyrite ()*	Copiapite ()*
Fergusonite-(Y) ()*	Ferrimolybdite ()*	Fluorite ()*	Gadolinite-(Y) ()*	Hematite ()*
Ilmenite ()*	Magnetite ()*	Microcline ()*	Molybdenite ()*	Molybdite ()*
Muscovite ()*	Opal ()*	Orthoclase ()*	Phlogopite ()*	Polycrase-(Y) ()*
Powellite ()*	Pyrite ()*	Quartz ()*	Rowlandite-(Y) ()*	Rutile ()*
Sphalerite ()*	Thorite ()*	Tveitite-(Y) ()*	Uraninite ()*	Vesuvianite ()*
Yttrialite-(Y) ()*	Yttrocrasite-(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 Ca Ce Cu F Fe H K Mg Mo Na Nb O P REE S Si Th Ti U Y Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allanite Amorphous Autunite Chalcopyrite Clay Columbite Copiapite Corundum Epidote Feldspar
Fluorite Gadolinite Mica Molybdenite None Pyrite Quartz Rowlandite Rutile Scheelite
Sphalerite Spinel Vesuvianite Zircon

33 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	270659	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1	270659	706
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	1	270659	1272
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	270659	27198
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	1	270659	382
Fergusonite-(Y) ()*	Scheelite	YNbO₄	1	270659	196
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	1	270659	345
Fluorite ()*	Fluorite	CaF₂	1	270659	9617
Gadolinite-(Y) ()*	Gadolinite	Y₂Fe²⁺Be₂O₂(SiO₄)₂	1	270659	163
Hematite ()*	Corundum	Fe₂O₃	1	270659	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	270659	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	270659	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	270659	4924
Molybdenite ()*	Molybdenite	MoS₂	1	270659	5800
Molybdite ()*	None	MoO₃	1	270659	140
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	270659	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	270659	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	270659	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	270659	2273
Polycrase-(Y) ()*	Columbite	Y(Ti,Nb)₂(O,OH)₆	1	270659	121
Powellite ()*	Scheelite	Ca(MoO₄)	1	270659	494
Pyrite ()*	Pyrite	FeS₂	1	270659	39462
Quartz ()*	Quartz	SiO₂	1	270659	61156
Rowlandite-(Y) ()*	Rowlandite	Fe²⁺Y₄(Si₂O₇)₂F₂	1	270659	8
Rutile ()*	Rutile	TiO₂	1	270659	5614
Sphalerite ()*	Sphalerite	ZnS	1	270659	21482
Thorite ()*	Zircon	Th(SiO₄)	1	270659	1006
Tveitite-(Y) ()*	None	(Y,Na)₆(Ca,Na,REE)₁₂(Ca,Na)F₄₂	1	270659	8
Uraninite ()*	Fluorite	UO₂	1	270659	2718
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	270659	1395
Yttrialite-(Y) ()*	None	Y₂Si₂O₇	1	270659	25
Yttrocrasite-(Y) ()*	Columbite	(Y,Th,Ca,U)(Ti,Fe)₂(O,OH)₆	1	270659	8
Zircon ()*	Zircon	Zr(SiO₄)	1	270659	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...