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:
Empire Zinc Mine, Hanover-Fierro District, Grant Co., New Mexico, USA

Oldest recorded age at locality: 36.7
Youngest recorded age at locality: 34

mindat Locality ID: 7974
mindat URL: http://www.mindat.org/loc-7974.html

Tectonic Settings:

Total number of sublocalities beneath "Empire Zinc Mine, Hanover-Fierro District, Grant Co., New Mexico, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Mason Tunnel
Republic Mine
Strike Tunnel
U. S. Adit
U. S. Tunnel

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Amphibole	Aragonite	Calcite	Chalcopyrite	Clinozoisite	Corundum	Epidote	Gypsum	Ilvaite	Nolanite
None	Pyrite	Pyroxene	Quartz	Rhodonite	Rocksalt	Sphalerite	Wollastonite	Wurtzite

Bustamite ()*	Cerussite ()*	Chalcophanite ()*	Chalcopyrite ()*	Epidote ()*
Ferrihydrite ()*	Galena ()*	Greenockite ()*	Gypsum ()*	Hawleyite ()*
Hedenbergite ()*	Hematite ()*	Hydrozincite ()*	Ilvaite ()*	Johannsenite ()*
Pyrite ()*	Quartz ()*	Rhodonite ()*	Smithsonite ()*	Sphalerite ()*
Tremolite ()*

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 Cd Cu Fe H Mg Mn O Pb S Si Zn

Elements from minerals reported directly at this locality: Al C Ca Cd Fe H Mg Mn O Pb S Si Zn

Structural Groups for minerals in this locality:
Amphibole Aragonite Calcite Chalcopyrite Clinozoisite Corundum Epidote Gypsum Ilvaite Nolanite
None Pyrite Pyroxene Quartz Rhodonite Rocksalt Sphalerite Wollastonite Wurtzite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Bustamite ()*	Wollastonite	Mn₂Ca₂MnCa(Si₃O₉)₂	36.7	34	0		101
Cerussite ()*	Aragonite	Pb(CO₃)	36.7	34	0		4979
Chalcophanite ()*	None	ZnMn⁴⁺₃O₇·3H₂O	36.7	34	0		197
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	36.7	34	1	245135	27198
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	36.7	34	0		8173
Ferrihydrite ()*	Nolanite	Fe³⁺₁₀O₁₄(OH)₂	36.7	34	0		86
Galena ()*	Rocksalt	PbS	36.7	34	0		24243
Greenockite ()*	Wurtzite	CdS	36.7	34	0		717
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	36.7	34	0		6890
Hawleyite ()*	Sphalerite	CdS	36.7	34	0		62
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	36.7	34	0		741
Hematite ()*	Corundum	Fe₂O₃	36.7	34	0		14640
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	36.7	34	0		1066
Ilvaite ()*	Ilvaite	CaFe³⁺Fe²⁺₂O(Si₂O₇)(OH)	36.7	34	0		197
Johannsenite ()*	Pyroxene	CaMnSi₂O₆	36.7	34	0		73
Pyrite ()*	Pyrite	FeS₂	36.7	34	0		39462
Quartz ()*	Quartz	SiO₂	36.7	34	1	245135	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	36.7	34	0		969
Smithsonite ()*	Calcite	Zn(CO₃)	36.7	34	0		2473
Sphalerite ()*	Sphalerite	ZnS	36.7	34	0		21482
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	36.7	34	0		2562

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	sedznpb-00451	36.7	34	36.7–34.0							Yes				33987	Central District, Grant Co., New Mexico, USA	Central district	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...