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:
Willow Creek District, San Miguel Co., New Mexico, USA

Oldest recorded age at locality: 2500
Youngest recorded age at locality: 541

mindat Locality ID: 33147
mindat URL: http://www.mindat.org/loc-33147.html

Tectonic Settings:

Total number of sublocalities beneath "Willow Creek District, San Miguel Co., New Mexico, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Pecos Mine (Hamilton Mine; Cowles Mine)

Latitude: 35°45'32"N
Longitude: 105°40'4"W
Decimal Degree (lat, lon): 35.758888888889,-105.66777777778

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	Allophane	Amphibole	Aragonite	Baryte	Calcite	Chalcanthite	Chalcopyrite	Clay	Clinozoisite
Copper	Corundum	Epidote	Feldspar	Fluorite	Garnet	Kaolinite	Malachite	Mica	Nickeline
None	Pyrite	Quartz	Rocksalt	Rutile	Sphalerite	Spinel	Tetrahedrite	Titanite	Zircon

Acanthite ()*	Actinolite ()*	Albite ()*	Anglesite ()*	Bornite ()*
Cerussite ()*	Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*
Epidote ()*	Fluorite ()*	Galena ()*	Gold ()*	Hematite ()*
Kaolinite ()*	Magnetite ()*	Malachite ()*	Microcline ()*	Muscovite ()*
Orthoclase ()*	Proustite ()*	Pyrite ()*	Pyrope ()*	Pyrrhotite ()*
Quartz ()*	Roscoelite ()*	Rutile ()*	Silver ()*	Smithsonite ()*
Spessartine ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*	Titanite ()*	Zircon ()*
Zoisite ()*

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 Al As Au C Ca Cu F Fe H K Mg Mn Na O Pb S Sb Si Ti V Zn Zr

Elements from minerals reported directly at this locality: Ag Al As C Ca Cu F Fe H K Mg Mn Na O Pb S Sb Si Ti V Zn Zr

Structural Groups for minerals in this locality:
Acanthite Allophane Amphibole Aragonite Baryte Calcite Chalcanthite Chalcopyrite Clay Clinozoisite
Copper Corundum Epidote Feldspar Fluorite Garnet Kaolinite Malachite Mica Nickeline
None Pyrite Quartz Rocksalt Rutile Sphalerite Spinel Tetrahedrite Titanite Zircon

36 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
Acanthite ()*	Acanthite	Ag₂S	2500	541	0		2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	2500	541	1	246623	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	2500	541	0		8803
Anglesite ()*	Baryte	Pb(SO₄)	2500	541	0		2734
Bornite ()*	None	Cu₅FeS₄	2500	541	0		5516
Cerussite ()*	Aragonite	Pb(CO₃)	2500	541	0		4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	2500	541	0		925
Chalcocite ()*	None	Cu₂S	2500	541	0		5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2500	541	1	246623	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	2500	541	0		3531
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2500	541	0		8173
Fluorite ()*	Fluorite	CaF₂	2500	541	0		9617
Galena ()*	Rocksalt	PbS	2500	541	1	246623	24243
Gold ()*	Copper	Au	2500	541	1	246623	30554
Hematite ()*	Corundum	Fe₂O₃	2500	541	1	246623	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	2500	541	0		5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2500	541	1	246623	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2500	541	0		12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	2500	541	0		4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2500	541	1	246623	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2500	541	0		2349
Proustite ()*	None	Ag₃AsS₃	2500	541	0		733
Pyrite ()*	Pyrite	FeS₂	2500	541	1	246623	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	2500	541	0		341
Pyrrhotite ()*	Nickeline	Fe₇S₈	2500	541	1	246623	9056
Quartz ()*	Quartz	SiO₂	2500	541	1	246623	61156
Roscoelite ()*	Mica	KV³⁺₂(Si₃Al)O₁₀(OH)₂	2500	541	0		253
Rutile ()*	Rutile	TiO₂	2500	541	0		5614
Silver ()*	Copper	Ag	2500	541	1	246623	5186
Smithsonite ()*	Calcite	Zn(CO₃)	2500	541	0		2473
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	2500	541	0		1214
Sphalerite ()*	Sphalerite	ZnS	2500	541	1	246623	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	2500	541	0		5317
Titanite ()*	Titanite	CaTi(SiO₄)O	2500	541	0		4899
Zircon ()*	Zircon	Zr(SiO₄)	2500	541	0		5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	2500	541	0		1025

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
	vms-01068	2500	541	Proterozoic											48271	Pecos Mine (Hamilton Mine; Cowles Mine), Willow Creek District, San Miguel Co., New Mexico, USA	Pecos	Moiser et al. (2009)		USGSOFR2009-1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...