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:
Hockley, Harris Co., Texas, USA

mindat Locality ID: 30977
mindat URL: http://www.mindat.org/loc-30977.html

Tectonic Settings:

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

Number of Child Localities: 1
Child Localities:
Hockley Dome Mine (United Salt Mine)

Latitude: 29°57'51"N
Longitude: 95°50'21"W
Decimal Degree (lat, lon): 29.964166666667,-95.839166666667

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.

Acanthite	Aragonite	Baryte	Calcite	Diaspore	Gypsum	Marcasite	Nickeline	None	Not in a structural group
Pyrite	Quartz	Rocksalt	Sphalerite	Sulphur

Acanthite ()*	Anhydrite ()*	Baryte ()*	Calcite ()*	Dolomite ()*
Galena ()*	Goethite ()*	Gypsum ()*	Halite ()*	Hauerite ()*
Marcasite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Sphalerite ()*
Strontianite ()*	Sulphur ()*

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: Ag Ba C Ca Cl Fe H Mg Mn Na O Pb S Si Sr Zn

Elements from minerals reported directly at this locality: Fe S

Structural Groups for minerals in this locality:
Acanthite Aragonite Baryte Calcite Diaspore Gypsum Marcasite Nickeline None Not in a structural group
Pyrite Quartz Rocksalt Sphalerite Sulphur

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	1	270277	2793
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	270277	1588
Baryte ()*	Baryte	Ba(SO₄)	1	270277	11547
Calcite ()*	Calcite	Ca(CO₃)	1	270277	27770
Dolomite ()*	None	CaMg(CO₃)₂	1	270277	9895
Galena ()*	Rocksalt	PbS	1	270277	24243
Goethite ()*	Diaspore	FeO(OH)	1	270277	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	270277	6890
Halite ()*	Rocksalt	NaCl	1	270277	1398
Hauerite ()*	Pyrite	MnS₂	1	270277	26
Marcasite ()*	Marcasite	FeS₂	1	270277	5674
Pyrite ()*	Pyrite	FeS₂	1	270277	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	0		9056
Quartz ()*	Quartz	SiO₂	1	270277	61156
Sphalerite ()*	Sphalerite	ZnS	1	270277	21482
Strontianite ()*	Aragonite	Sr(CO₃)	1	270277	589
Sulphur ()*	Sulphur	S	1	270277	2045

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...