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:
Rochester District, Pershing Co., Nevada, USA

Oldest recorded age at locality: 177.9
Youngest recorded age at locality: 159.3

mindat Locality ID: 37165
mindat URL: http://www.mindat.org/loc-37165.html

Tectonic Settings:

Total number of sublocalities beneath "Rochester District, Pershing Co., Nevada, USA": 24
Total number of bottom-level sublocalities: 21

Number of Child Localities: 19
Child Localities:
Coeur Rochester Mine
Hagan Mine
Hamilton Beryl Mine
Independence Hill
Limrick Basin Placers (Panama Flat Placers)
Limrick Canyon Placers
Lincoln Hill
Lincoln Hill Dumortierite Deposit
Lincoln Hill Mines
Looney Mine
Nenzel Hill
Octopus Mine
Oro Fino Mine
Packard Hill
Rochester Canyon Placers
Sacramento Canyon Placers
South American Canyon
Unnamed Silver Prospect
Weaver Canyon Placers

Latitude: 40°17'23"N
Longitude: 118°9'23"W
Decimal Degree (lat, lon): 40.289722222222,-118.15638888889

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	Alunite	Andalusite	Arsenic	Arsenolamprite	Arsenopyrite	Baryte	Beryl	Chalcanthite	Chalcopyrite
Clay	Copper	Corundum	Covellite	Diaspore	Dumortierite	Feldspar	Melanterite	Mica	Nickeline
None	Owyheeite	Polybasite	Pyrite	Pyrochlore	Pyrophyllite	Quartz	Rocksalt	Sphalerite	Tetrahedrite

Acanthite ()*	Andalusite ()*	Anglesite ()*	Arsenic ()*	Arsenopyrite ()*
Baryte ()*	Beryl ()*	Bindheimite ()*	Bismuth ()*	Chalcanthite ()*
Chalcocite ()*	Chalcophanite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Corundum ()*
Covellite ()*	Dumortierite ()*	Galena ()*	Ganterite ()*	Goethite ()*
Gold ()*	Hematite ()*	Jamesonite ()*	Jarosite ()*	Melanterite ()*
Microcline ()*	Muscovite ()*	Owyheeite ()*	Polybasite ()*	Pyrargyrite ()*
Pyrite ()*	Pyrophyllite ()*	Pyrrhotite ()*	Quartz ()*	Silver ()*
Sphalerite ()*	Stromeyerite ()*	Teallite ()*	Tetrahedrite-(Zn) ()*

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 B Ba Be Bi Cl Cu Fe H K Mn Na O Pb S Sb Si Sn Zn

Elements from minerals reported directly at this locality: As Bi Fe O Pb S Sb

Structural Groups for minerals in this locality:
Acanthite Alunite Andalusite Arsenic Arsenolamprite Arsenopyrite Baryte Beryl Chalcanthite Chalcopyrite
Clay Copper Corundum Covellite Diaspore Dumortierite Feldspar Melanterite Mica Nickeline
None Owyheeite Polybasite Pyrite Pyrochlore Pyrophyllite Quartz Rocksalt Sphalerite Tetrahedrite

39 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	177.9	159.3	3	240787,240788,240789	2793
Andalusite ()*	Andalusite	Al₂SiO₅			1	240784	1310
Anglesite ()*	Baryte	Pb(SO₄)	177.9	159.3	1	240787	2734
Arsenic ()*	Arsenic	As	177.9	159.3	0		379
Arsenopyrite ()*	Arsenopyrite	FeAsS	177.9	159.3	2	240775,240787	9052
Baryte ()*	Baryte	Ba(SO₄)			1	240784	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			1	240776	4286
Bindheimite ()*	Pyrochlore	Pb₂Sb⁵⁺₂O₇	177.9	159.3	0		450
Bismuth ()*	Arsenic	Bi	177.9	159.3	0		1966
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	177.9	159.3	1	240787	925
Chalcocite ()*	None	Cu₂S	177.9	159.3	1	240787	5707
Chalcophanite ()*	None	ZnMn⁴⁺₃O₇·3H₂O	177.9	159.3	1	240787	197
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	240787,240789	27198
Chlorargyrite ()*	Rocksalt	AgCl	177.9	159.3	2	240779,240787	1382
Corundum ()*	Corundum	Al₂O₃			1	240784	1797
Covellite ()*	Covellite	CuS	177.9	159.3	1	240787	4165
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈			1	240784	231
Galena ()*	Rocksalt	PbS			3	240779,240787,240789	24243
Ganterite ()*	None	Ba_0.5(Na,K)_0.5Al₂(Si_2.5Al_1.5)O₁₀(OH)₂			1	240784	2
Goethite ()*	Diaspore	FeO(OH)	177.9	159.3	1	240787	7437
Gold ()*	Copper	Au	177.9	159.3	8	240775,240780,240781,240787,240791,240793,240794,240797	30554
Hematite ()*	Corundum	Fe₂O₃	177.9	159.3	1	240787	14640
Jamesonite ()*	None	Pb₄FeSb₆S₁₄	177.9	159.3	0		784
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	177.9	159.3	1	240787	2228
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	177.9	159.3	1	240787	915
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	240775	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	177.9	159.3	4	240774,240779,240784,240787	17380
Owyheeite ()*	Owyheeite	Ag₃Pb₁₀Sb₁₁S₂₈	177.9	159.3	1	240787	89
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	177.9	159.3	1	240787	716
Pyrargyrite ()*	None	Ag₃SbS₃	177.9	159.3	1	240787	1425
Pyrite ()*	Pyrite	FeS₂			2	240787,240789	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂			1	240795	771
Pyrrhotite ()*	Nickeline	Fe₇S₈	177.9	159.3	1	240787	9056
Quartz ()*	Quartz	SiO₂			7	240775,240779,240786,240787,240789,240790,240791	61156
Silver ()*	Copper	Ag	177.9	159.3	2	240774,240787	5186
Sphalerite ()*	Sphalerite	ZnS			2	240787,240789	21482
Stromeyerite ()*	None	CuAgS	177.9	159.3	1	240787	332
Teallite ()*	Arsenolamprite	PbSnS₂	177.9	159.3	1	240787	33
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			2	240787,240789	5317

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-41038	177.9	159.3	168.6±9.3					41038						58421	Plainview Mine, Nenzel Hill, Rochester District, Pershing Co., Nevada, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...