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:
Mountain City District, Elko Co., Nevada, USA

Oldest recorded age at locality: 102.3
Youngest recorded age at locality: 83.7

mindat Locality ID: 6460
mindat URL: http://www.mindat.org/loc-6460.html

Tectonic Settings:

Total number of sublocalities beneath "Mountain City District, Elko Co., Nevada, USA": 49
Total number of bottom-level sublocalities: 49

Number of Child Localities: 49
Child Localities:
Alberta Claim Group (New Yorkey's Claims; Mountain City Mine; Alberta-Utopia)
Alta Mine (Lime Creek Lead-Zinc Mine; BR Claim Group - 0320071085)
Andover No. 1 (B And K Claim Groups)
Aspen
Autunite Group And October Group
Blue Ribbon-Boyce Mine
Cobb Creek Placers
Cobb Creek Prospect
Copper Mountain
Excelsior Mine
Golden Ensign Mine (Silver Banner Mine)
Granite Group
Grasshopper Gulch Placers
Happy Joe # 1 (Happy Mendive; Big Joke Claims [Big Joe #1?])
Hawk Group And Denis Claims
Hope
Hot Ash Group (Denis Claims; North And South Ground Hog Claims)
Hot Spot Claim (Eddie No. 1)
Huber Hills-Granite Ridge Prospect
Idaho-Nevada (Mill Creek Copper Co. Mine; Blue Rock Nos. 1-12; Idaho-Nevada Shaft; Mill Creek Copper Co.; Keystone Nos. 1-12; Keystone Mine; Keystone Copper; Blue Rock Mine; Mill Canyon Copper Co.; Copper Bell Nos. 1 And 2; Rio Tinto West)
Independent Mine (Independence Mine)
Keystone Group (Abe Lincoln; Keystone; Pittsburg)
Keystone Mine
LC Claims (Blue Ribbon; Duke Claims)
Mariposa Mine
Mayflower-Bronze Group (Bronze Fraction Lode; Puritan No. 1; Bronze Nos. 1-5; Mayflower Nos. 1-7)
Morrison-Knudsen Placer (Van Duzer Creek)
Mountain City Mercury
Mountain City Mine (Mountain City Mercur; Mountain City Consolidated)
Mountain City Placers
Mountain Laurel Mine
Nelson Mine (Standard Vein)
New Yorkies Claim (New Yorkeys Claim)
Owyhee Prospect
Owyhee River Placers
Poorman Group (Morrison-Knudsen Placer; Van Duzer Creek Placers)
Protection Mine
Protection Placer-Maggie Gulch
Race Track Mine (Lucky Lager And Speedway Claims)
Resurrection Mine
Rim Rock Mine
Rio Grande Copper Deposit (Rainbow Canyon)
Rio Tinto Mine (Mountain City Copper Mine)
Silver King Mine
South Fork And Pixley Claims (East And South Fork)
Tag; Pam; Pat And Sam Claims (DWG Group; Last Chance Group; Lucky Strike; Anomaly No. 2)
Unnamed Borrow Pit
Van Duzer Creek Placers
Wyoming Placer

Latitude: 41°48'47"N
Longitude: 115°58'15"W
Decimal Degree (lat, lon): 41.813055555556,-115.97083333333

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	Amorphous	Amphibole	Apatite	Aragonite	Arsenopyrite	Autunite	Chalcopyrite	Clinozoisite	Copper
Covellite	Epidote	Fluorite	Fritzscheite	Malachite	Meta-autunite	Molybdenite	None	Not in a structural group	Pyrite
Quartz	Rocksalt	Scheelite	Sphalerite	Stibnite	Tetrahedrite

Acanthite ()*	Actinolite ()*	Arsenopyrite ()*	Autunite ()*	Azurite ()*
Bornite ()*	Bromargyrite ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*
Chlorargyrite ()*	Copper ()*	Covellite ()*	Cuprite ()*	Epidote ()*
Galena ()*	Gold ()*	Malachite ()*	Meta-autunite ()*	Metatorbernite ()*
Metatyuyamunite ()*	Molybdenite ()*	Opal ()*	Proustite ()*	Pyrite ()*
Pyromorphite ()*	Quartz ()*	Scheelite ()*	Silver ()*	Sphalerite ()*
Stephanite ()*	Stibnite ()*	Stromeyerite ()*	Tetrahedrite-(Zn) ()*	Torbernite ()*
Uraninite ()*	Uranophane-α ()*

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 Br C Ca Cl Cu Fe H Mg Mo O P Pb S Sb Si U V W Zn

Elements from minerals reported directly at this locality: Ca H O P Si U

Structural Groups for minerals in this locality:
Acanthite Amorphous Amphibole Apatite Aragonite Arsenopyrite Autunite Chalcopyrite Clinozoisite Copper
Covellite Epidote Fluorite Fritzscheite Malachite Meta-autunite Molybdenite None Not in a structural group Pyrite
Quartz Rocksalt Scheelite Sphalerite Stibnite Tetrahedrite

37 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	102.3	83.7	1	236289	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			1	236310	3419
Arsenopyrite ()*	Arsenopyrite	FeAsS	102.3	83.7	2	236289,236310	9052
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O			9	236283,236290,236292,236293,236295,236296,236317,236319,236324	1272
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	236321	5509
Bornite ()*	None	Cu₅FeS₄			1	236321	5516
Bromargyrite ()*	Rocksalt	AgBr			3	236288,236310,236315	227
Cerussite ()*	Aragonite	Pb(CO₃)	102.3	83.7	2	236289,236318	4979
Chalcocite ()*	None	Cu₂S			3	236310,236318,236321	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	102.3	83.7	6	236289,236297,236310,236312,236318,236321	27198
Chlorargyrite ()*	Rocksalt	AgCl	102.3	83.7	6	236288,236289,236307,236310,236315,236318	1382
Copper ()*	Copper	Cu			2	236307,236321	3846
Covellite ()*	Covellite	CuS			1	236321	4165
Cuprite ()*	Not in a structural group	Cu₂O			2	236307,236321	2970
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	236310	8173
Galena ()*	Rocksalt	PbS	102.3	83.7	5	236289,236310,236315,236318,236321	24243
Gold ()*	Copper	Au	102.3	83.7	13	236284,236285,236286,236288,236289,236291,236305,236308,236310,236313,236315,236326,236327	30554
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	102.3	83.7	2	236289,236321	12537
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	102.3	83.7	0		388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O			1	236283	443
Metatyuyamunite ()*	Fritzscheite	Ca(UO₂)₂(VO₄)₂·3H₂O			1	236317	129
Molybdenite ()*	Molybdenite	MoS₂	102.3	83.7	3	236289,236297,236312	5800
Opal ()*	Amorphous	SiO₂·nH₂O	102.3	83.7	0		2994
Proustite ()*	None	Ag₃AsS₃	102.3	83.7	3	236289,236310,236315	733
Pyrite ()*	Pyrite	FeS₂	102.3	83.7	8	236289,236297,236310,236311,236312,236315,236318,236321	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	102.3	83.7	2	236289,236315	1725
Quartz ()*	Quartz	SiO₂	102.3	83.7	11	236283,236284,236288,236289,236297,236310,236312,236315,236318,236321,236325	61156
Scheelite ()*	Scheelite	Ca(WO₄)	102.3	83.7	1	236289	4894
Silver ()*	Copper	Ag	102.3	83.7	3	236289,236307,236310	5186
Sphalerite ()*	Sphalerite	ZnS	102.3	83.7	4	236289,236310,236315,236321	21482
Stephanite ()*	None	Ag₅SbS₄	102.3	83.7	2	236289,236315	586
Stibnite ()*	Stibnite	Sb₂S₃			1	236284	3418
Stromeyerite ()*	None	CuAgS			3	236288,236310,236315	332
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	102.3	83.7	3	236289,236315,236318	5317
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O			2	236283,236317	1059
Uraninite ()*	Fluorite	UO₂			1	236323	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O			1	236317	890

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
	NAVDAT-118545	102.3	83.7	93±9.3					118545						41449	Golden Ensign Mine (Silver Banner Mine), Mountain City District, Elko Co., Nevada, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...