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:
Twin Creeks Mine, Potosi District, Osgood Mts, Humboldt Co., Nevada, USA

mindat Locality ID: 5578
mindat URL: http://www.mindat.org/loc-5578.html

Tectonic Settings:

Total number of sublocalities beneath "Twin Creeks Mine, Potosi District, Osgood Mts, Humboldt Co., Nevada, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°13'13"N
Longitude: 117°9'56"W
Decimal Degree (lat, lon): 41.220277777778,-117.16555555556

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.

Adelite	Alunite	Apatite	Aragonite	Arseniosiderite	Arsenopyrite	Baryte	Calcioferrite	Calcite	Clay
Copper	Fairfieldite	Marcasite	Melonite	Mica	Nickeline	None	Olivine	Orpiment	Pyrite
Quartz	Rocksalt	Sphalerite	Stibnite	Tetrahedrite

Arsenopyrite ()*	Baryte ()*	Beudantite ()*	Calaverite ()*	Calcite ()*
Cerussite ()*	Coloradoite ()*	Conichalcite ()*	Dolomite ()*	Fluorapatite ()*
Forsterite ()*	Gaitite ()*	Galena ()*	Gold ()*	Hinsdalite ()*
Kingsmountite ()*	Marcasite ()*	Metastibnite ()*	Mitridatite ()*	Montgomeryite ()*
Muscovite ()*	Orpiment ()*	Phlogopite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Realgar ()*	Rhodochrosite ()*	Stibnite ()*	Tellurium ()*
Tetrahedrite-(Zn) ()*	Variscite ()*

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 As Au Ba C Ca Cu F Fe H Hg K Mg Mn O P Pb S Sb Si Te Zn

Elements from minerals reported directly at this locality: Al As Au Ba C Ca Cu F Fe H Hg K Mg Mn O P Pb S Sb Si Te Zn

Structural Groups for minerals in this locality:
Adelite Alunite Apatite Aragonite Arseniosiderite Arsenopyrite Baryte Calcioferrite Calcite Clay
Copper Fairfieldite Marcasite Melonite Mica Nickeline None Olivine Orpiment Pyrite
Quartz Rocksalt Sphalerite Stibnite Tetrahedrite

32 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	9052
Baryte ()*	Baryte	Ba(SO₄)	11547
Beudantite ()*	Alunite	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆	413
Calaverite ()*	Melonite	AuTe₂	361
Calcite ()*	Calcite	Ca(CO₃)	27770
Cerussite ()*	Aragonite	Pb(CO₃)	4979
Coloradoite ()*	Sphalerite	HgTe	169
Conichalcite ()*	Adelite	CaCu(AsO₄)(OH)	363
Dolomite ()*	None	CaMg(CO₃)₂	9895
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2740
Forsterite ()*	Olivine	Mg₂(SiO₄)	1188
Gaitite ()*	Fairfieldite	Ca₂Zn(AsO₄)₂·2H₂O	7
Galena ()*	Rocksalt	PbS	24243
Gold ()*	Copper	Au	30554
Hinsdalite ()*	Alunite	PbAl₃(SO₄)(PO₄)(OH)₆	82
Kingsmountite ()*	Calcioferrite	Ca₃MnFe²⁺Al₄(PO₄)₆(OH)₄·12H₂O	12
Marcasite ()*	Marcasite	FeS₂	5674
Metastibnite ()*	Stibnite	Sb₂S₃	87
Mitridatite ()*	Arseniosiderite	Ca₂Fe³⁺₃O₂(PO₄)₃·3H₂O	129
Montgomeryite ()*	Calcioferrite	Ca₄MgAl₄(PO₄)₆(OH)₄·12H₂O	44
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Orpiment ()*	Orpiment	As₂S₃	511
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Pyrite ()*	Pyrite	FeS₂	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Quartz ()*	Quartz	SiO₂	61156
Realgar ()*	None	AsS	712
Rhodochrosite ()*	Calcite	Mn(CO₃)	1711
Stibnite ()*	Stibnite	Sb₂S₃	3418
Tellurium ()*	None	Te	190
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	5317
Variscite ()*	None	Al(PO₄)·2H₂O	301

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...