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:
Grayson Co., Texas, USA

mindat Locality ID: 47347
mindat URL: http://www.mindat.org/loc-47347.html

Tectonic Settings:

Total number of sublocalities beneath "Grayson Co., Texas, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Bells Area
Bells Meteorite
Gordonville Area
Sadler Area
Tioga Area
Tom Bean
Whitesboro Area

Latitude: 33°36'0"N
Longitude: 96°28'"W
Decimal Degree (lat, lon): 33.6,-96.466666666667

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.

Alunite	Calcite	Clay	Diaspore	Gypsum	Nickeline	None	Not in a structural group	Olivine	Pentlandite
Pyroxene	Serpentine	Smectite-vermiculite	Spinel

Anhydrite ()*	Calcite ()*	Clinoenstatite ()*	Cronstedtite ()*	Diopside ()*
Enstatite ()*	Forsterite ()*	Goethite ()*	Gypsum ()*	Magnetite ()*
Natroalunite ()*	Pentlandite ()*	Pyrrhotite ()*	Saponite ()*	Troilite ()*

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 Fe H Mg Na Ni O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Calcite Clay Diaspore Gypsum Nickeline None Not in a structural group Olivine Pentlandite
Pyroxene Serpentine Smectite-vermiculite Spinel

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	270228	1588
Calcite ()*	Calcite	Ca(CO₃)	1	270228	27770
Clinoenstatite ()*	Pyroxene	Mg₂Si₂O₆	1	270228	94
Cronstedtite ()*	Clay Serpentine	(Fe²⁺,Fe³⁺)₃(Si,Fe³⁺)₂O₅(OH)₄	1	270228	54
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	270228	4135
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	270228	944
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	270228	1188
Goethite ()*	Diaspore	FeO(OH)	1	270232	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	270232	6890
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	270228	14899
Natroalunite ()*	Alunite	NaAl₃(SO₄)₂(OH)₆	5	270227,270229,270230,270231,270233	128
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	1	270228	1512
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	270228	9056
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	1	270228	301
Troilite ()*	None	FeS	1	270228	1044

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...