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:
McMullen Co., Texas, USA

mindat Locality ID: 43164
mindat URL: http://www.mindat.org/loc-43164.html

Tectonic Settings:

Total number of sublocalities beneath "McMullen Co., Texas, USA": 10
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Buck Martin Quarry
Calliham
Calliham Meteorite
Central Texas Iron Ore Resource
Crowther
Dillworth Ranch Dome
Dilworth Quarry
Henry Martin Quarry
Kuykendall Quarry
Tilden

Latitude: 28°47'13"N
Longitude: 98°37'3"W
Decimal Degree (lat, lon): 28.786944444444,-98.6175

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.

Aragonite	Calcite	Clay	Corundum	Diaspore	Iron	None	Quartz	Rocksalt	Smectite-vermiculite
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: Al C Ca Cl Cr Fe H Mg Na O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Calcite Clay Corundum Diaspore Iron None Quartz Rocksalt Smectite-vermiculite
Spinel

11 IMA Minerals at location:

Aragonite ()*	Calcite ()*	Chromite ()*	Dolomite ()*	Goethite ()*
Halite ()*	Hematite ()*	Ilmenite ()*	Iron ()*	Montmorillonite ()*
Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aragonite ()*	Aragonite	Ca(CO₃)	2	270778,270781	3250
Calcite ()*	Calcite	Ca(CO₃)	2	270778,270780	27770
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	270779	3902
Dolomite ()*	None	CaMg(CO₃)₂	1	270780	9895
Goethite ()*	Diaspore	FeO(OH)	1	270780	7437
Halite ()*	Rocksalt	NaCl	1	270782	1398
Hematite ()*	Corundum	Fe₂O₃	1	270780	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	270779	5433
Iron ()*	Iron	Fe	1	270779	1089
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	4	270777,270783,270784,270785	1508
Quartz ()*	Quartz	SiO₂	6	270777,270780,270783,270784,270785,270786	61156

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...