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:
Cortez District, Lander Co., Nevada, USA

Oldest recorded age at locality: 38.5
Youngest recorded age at locality: 31.5

mindat Locality ID: 59800
mindat URL: http://www.mindat.org/loc-59800.html

Tectonic Settings:

Total number of sublocalities beneath "Cortez District, Lander Co., Nevada, USA": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Caetano Tuff
Cortez Gold Mine
Cortez Hills Underground
Fox Mine (Cortez Turquoise Mine)
Little Gem Mine (Cracker Jack Mine)
Lone Pine Mine (Boitano Mine)
Valley View Mine
White Horse Mine

Latitude: 40°10'48"N
Longitude: 116°38'17"W
Decimal Degree (lat, lon): 40.18,-116.63805555556

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.

Allophane	Alunite	Amphibole	Apatite	Aragonite	Arsenic	Arsenopyrite	Baryte	Bournonite	Calcite
Chalcopyrite	Clay	Copper	Corundum	Diaspore	Kaolinite	Malachite	Mica	Millerite	Nickeline
None	Nowackiite	Pyrite	Quartz	Rocksalt	Smectite-vermiculite	Sphalerite	Tetrahedrite	Turquoise

Aktashite ()*	Anglesite ()*	Arsenic ()*	Arsenopyrite ()*	Aurichalcite ()*
Boulangerite ()*	Bournonite ()*	Calcite ()*	Cerussite ()*	Chalcopyrite ()*
Chlorargyrite ()*	Christite ()*	Chrysocolla ()*	Cinnabar ()*	Cornwallite ()*
Dickite ()*	Galena ()*	Goethite ()*	Gold ()*	Hematite ()*
Jarosite ()*	Kaolinite ()*	Malachite ()*	Millerite ()*	Montmorillonite ()*
Muscovite ()*	Pyrite ()*	Pyromorphite ()*	Pyrrhotite ()*	Quartz ()*
Realgar ()*	Smithsonite ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*	Tremolite ()*
Turquoise ()*

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 Cl Cu Fe H Hg K Mg Na Ni O P Pb S Sb Si Tl Zn

Elements from minerals reported directly at this locality: C Cl Cu H O P Pb S Zn

Structural Groups for minerals in this locality:
Allophane Alunite Amphibole Apatite Aragonite Arsenic Arsenopyrite Baryte Bournonite Calcite
Chalcopyrite Clay Copper Corundum Diaspore Kaolinite Malachite Mica Millerite Nickeline
None Nowackiite Pyrite Quartz Rocksalt Smectite-vermiculite Sphalerite Tetrahedrite Turquoise

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
Aktashite ()*	Nowackiite	Cu₆Hg₃As₄S₁₂			1	238015	22
Anglesite ()*	Baryte	Pb(SO₄)	38.5	31.5	0		2734
Arsenic ()*	Arsenic	As	38.5	31.5	1	238014	379
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	238017	9052
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	38.5	31.5	0		919
Boulangerite ()*	None	Pb₅Sb₄S₁₁			1	238017	843
Bournonite ()*	Bournonite	CuPbSbS₃			1	238017	1089
Calcite ()*	Calcite	Ca(CO₃)			1	238015	27770
Cerussite ()*	Aragonite	Pb(CO₃)	38.5	31.5	0		4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	238015	27198
Chlorargyrite ()*	Rocksalt	AgCl			1	238019	1382
Christite ()*	None	TlHgAsS₃			1	238015	6
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	238017	3531
Cinnabar ()*	None	HgS			1	238015	2600
Cornwallite ()*	None	Cu₅(AsO₄)₂(OH)₄			1	238017	175
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	238015	651
Galena ()*	Rocksalt	PbS			1	238019	24243
Goethite ()*	Diaspore	FeO(OH)			1	238015	7437
Gold ()*	Copper	Au	38.5	31.5	3	238014,238015,238019	30554
Hematite ()*	Corundum	Fe₂O₃	38.5	31.5	2	238014,238015	14640
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			1	238015	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	238015	5591
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	38.5	31.5	0		12537
Millerite ()*	Millerite	NiS			1	238015	1066
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O			1	238015	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	238015	17380
Pyrite ()*	Pyrite	FeS₂			2	238015,238019	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	38.5	31.5	0		1725
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	238015	9056
Quartz ()*	Quartz	SiO₂	38.5	31.5	4	238013,238014,238015,238019	61156
Realgar ()*	None	AsS			1	238015	712
Smithsonite ()*	Calcite	Zn(CO₃)	38.5	31.5	0		2473
Sphalerite ()*	Sphalerite	ZnS			1	238015	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	238017	5317
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			1	238015	2562
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O			3	238016,238018,238020	484

2 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
	NAVDAT-117423	38.5	31.5	35±3.5					117423						59843	Cortez Gold Mine, Cortez District, Lander Co., Nevada, USA		NAVDAT		NAVDAT
	NAVDAT-119082	37	34.6	35.8±1.2				sanidine	119082			Sanidine			59843	Cortez Gold Mine, Cortez District, Lander Co., Nevada, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...