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:
Kimble Co., Texas, USA

mindat Locality ID: 250542
mindat URL: http://www.mindat.org/loc-250542.html

Tectonic Settings:

Total number of sublocalities beneath "Kimble Co., Texas, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Harper Quarry
Helen Pit
Kimble County Meteorite

Latitude: 30°26'52"N
Longitude: 99°22'37"W
Decimal Degree (lat, lon): 30.447777777778,-99.376944444444

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.

Cerite	Cubanite	Gypsum	Iron	None	Not in a structural group	Sphalerite	Spinel

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: Ca Cr Cu Fe H Mg Na Ni O P S

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Cerite Cubanite Gypsum Iron None Not in a structural group Sphalerite Spinel

8 IMA Minerals at location:

Anhydrite ()*	Chromite ()*	Gypsum ()*	Iron ()*	Isocubanite ()*
Mackinawite ()*	Merrillite ()*	Troilite ()*

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)	2	270553,270554	1588
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	270555	3902
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	270553,270554	6890
Iron ()*	Iron	Fe	1	270555	1089
Isocubanite ()*	Sphalerite Cubanite	CuFe₂S₃	1	270555	191
Mackinawite ()*	None	(Fe,Ni)_1+xS (x = 0-0.07)	1	270555	451
Merrillite ()*	Cerite	Ca₉NaMg(PO₄)₇	1	270555	230
Troilite ()*	None	FeS	1	270555	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...