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:
Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA

Oldest recorded age at locality: 37.8
Youngest recorded age at locality: 33.8

mindat Locality ID: 3616
mindat URL: http://www.mindat.org/loc-3616.html

Tectonic Settings:

Total number of sublocalities beneath "Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA": 46
Total number of bottom-level sublocalities: 43

Number of Child Localities: 30
Child Localities:
1700' Level
Battle Mountain
Eagle Occurrence
Foster Combination Mine
Gilman
Golden Wedge
Gravel Pit (MRDS - 10118114)
Gravel Pit (MRDS - 10118136)
Gravel Pit (MRDS - 10118615)
Gravel Pit (MRDS - 10190044)
Gravel Pit (MRDS - 10190227)
Gravel Pit (MRDS - 10263948)
Homestake Creek
Homestake Creek (2)
Homestake Creek (3)
Hornsilver Mine
Iron Dyke
Liberty Mine
Mabel Mine
New Jersey Zinc Pit
Ovee - Silurian Mine
Pando Porphyry Sill
Percy Chester Mine
Pine Martin Mine
Unknown Lead Occurrence (MRDS - 10017905)
Unknown Magnesite (MRDS - 10264134)
Unknown Manganese (MRDS - 10118564)
Unknown Manganese (MRDS - 10167097)
Unnamed Lode
Wyoming Mine

Latitude: 39°30'41"N
Longitude: 106°22'12"W
Decimal Degree (lat, lon): 39.511388888889,-106.37

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	Allargentum	Allophane	Alunite	Apatite	Aragonite	Arsenopyrite	Baryte	Bournonite	Braunite
Calcite	Chalcanthite	Chalcopyrite	Clay	Columbite	Copiapite	Copper	Coquimbite	Corundum	Covellite
Devilline	Diaspore	Digenite	Epsomite	Feldspar	Gypsum	Halotrichite	Kaolinite	Kieserite	Ktenasite
Marcasite	Melanterite	Melonite	Nickeline	None	Not in a structural group	Polybasite	Pyrite	Quartz	Rocksalt
Rutile	Römerite	Sphalerite	Spinel	Stibnite	Sulphur	Tetradymite	Tetrahedrite	Wollastonite

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 Ba Bi C Ca Cl Cu F Fe H K Mg Mn Na O P Pb S Sb Si Te W Zn

Elements from minerals reported directly at this locality: Ag As Bi C Ca Cu Fe H O P S Sb Te W

Structural Groups for minerals in this locality:
Acanthite Allargentum Allophane Alunite Apatite Aragonite Arsenopyrite Baryte Bournonite Braunite
Calcite Chalcanthite Chalcopyrite Clay Columbite Copiapite Copper Coquimbite Corundum Covellite
Devilline Diaspore Digenite Epsomite Feldspar Gypsum Halotrichite Kaolinite Kieserite Ktenasite
Marcasite Melanterite Melonite Nickeline None Not in a structural group Polybasite Pyrite Quartz Rocksalt
Rutile Römerite Sphalerite Spinel Stibnite Sulphur Tetradymite Tetrahedrite Wollastonite

78 IMA Minerals at location:

Acanthite ()*	Albite ()*	Allophane ()*	Alunite ()*	Anglesite ()*
Ankerite ()*	Arsenopyrite ()*	Baryte ()*	Bornite ()*	Bournonite ()*
Braunite ()*	Calcite ()*	Cerussite ()*	Chalcanthite ()*	Chalcocite ()*
Chalcopyrite ()*	Chlorargyrite ()*	Copiapite ()*	Copper ()*	Coquimbite ()*
Covellite ()*	Dickite ()*	Digenite ()*	Dolomite ()*	Dyscrasite ()*
Epsomite ()*	Ferberite ()*	Fibroferrite ()*	Fluorapatite ()*	Freibergite ()*
Freieslebenite ()*	Galena ()*	Goethite ()*	Gold ()*	Goslarite ()*
Gunningite ()*	Gypsum ()*	Halotrichite ()*	Hematite ()*	Hemimorphite ()*
Hessite ()*	Hydroxylapatite ()*	Hydrozincite ()*	Jarosite ()*	Kaolinite ()*
Ktenasite ()*	Kutnohorite ()*	Magnetite ()*	Marcasite ()*	Matildite ()*
Melanterite ()*	Mendozite ()*	Pearceite ()*	Petzite ()*	Polybasite ()*
Proustite ()*	Pyrargyrite ()*	Pyrite ()*	Pyrolusite ()*	Pyrrhotite ()*
Quartz ()*	Rhodochrosite ()*	Römerite ()*	Siderite ()*	Sillimanite ()*
Silver ()*	Smithsonite ()*	Sphalerite ()*	Stephanite ()*	Stibnite ()*
Stromeyerite ()*	Sulphur ()*	Sylvanite ()*	Szomolnokite ()*	Tennantite-(Fe) ()*
Tetradymite ()*	Tetrahedrite-(Zn) ()*	Wollastonite ()*

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	37.8	33.8	1	187917	2793
Albite ()*	Feldspar	Na(AlSi₃O₈)	37.8	33.8	1	187932	8803
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	37.8	33.8	1	187940	470
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	37.8	33.8	1	187917	966
Anglesite ()*	Baryte	Pb(SO₄)	37.8	33.8	3	187913,187917,187943	2734
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	37.8	33.8	1	187917	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	37.8	33.8	2	187917,187941	9052
Baryte ()*	Baryte	Ba(SO₄)	37.8	33.8	3	187904,187916,187917	11547
Bornite ()*	None	Cu₅FeS₄	37.8	33.8	1	187917	5516
Bournonite ()*	Bournonite	CuPbSbS₃	37.8	33.8	1	187917	1089
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	37.8	33.8	1	187917	483
Calcite ()*	Calcite	Ca(CO₃)	37.8	33.8	0		27770
Cerussite ()*	Aragonite	Pb(CO₃)	37.8	33.8	1	187913	4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	37.8	33.8	2	187906,187917	925
Chalcocite ()*	None	Cu₂S	37.8	33.8	2	187916,187917	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	37.8	33.8	5	187904,187916,187917,187937,187941	27198
Chlorargyrite ()*	Rocksalt	AgCl	37.8	33.8	1	187917	1382
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	37.8	33.8	1	187917	382
Copper ()*	Copper	Cu	37.8	33.8	1	187917	3846
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	37.8	33.8	2	187913,187917	136
Covellite ()*	Covellite	CuS	37.8	33.8	1	187917	4165
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	37.8	33.8	1	187917	651
Digenite ()*	Digenite	Cu_1.8S	37.8	33.8	1	187917	1027
Dolomite ()*	None	CaMg(CO₃)₂	37.8	33.8	2	187916,187917	9895
Dyscrasite ()*	Allargentum	Ag_3+xSb_1-x (x ≈ 0.2)	37.8	33.8	1	187917	180
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	37.8	33.8	1	187917	484
Ferberite ()*	Columbite	Fe²⁺(WO₄)	37.8	33.8	0		551
Fibroferrite ()*	Not in a structural group	Fe³⁺(SO₄)(OH)·5H₂O	37.8	33.8	2	187913,187917	107
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	37.8	33.8	1	187917	2740
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	37.8	33.8	1	187917	663
Freieslebenite ()*	None	AgPbSbS₃	37.8	33.8	1	187917	105
Galena ()*	Rocksalt	PbS	37.8	33.8	7	187906,187913,187914,187915,187916,187917,187943	24243
Goethite ()*	Diaspore	FeO(OH)	37.8	33.8	0		7437
Gold ()*	Copper	Au	37.8	33.8	3	187906,187916,187917	30554
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O	37.8	33.8	2	187913,187917	188
Gunningite ()*	Kieserite	Zn(SO₄)·H₂O	37.8	33.8	1	187917	48
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	37.8	33.8	1	187917	6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	37.8	33.8	1	187917	409
Hematite ()*	Corundum	Fe₂O₃	37.8	33.8	1	187904	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	37.8	33.8	1	187917	1689
Hessite ()*	None	Ag₂Te	37.8	33.8	6	187906,187912,187916,187917,187922,187923	804
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH	37.8	33.8	0		367
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	37.8	33.8	1	187917	1066
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	37.8	33.8	2	187913,187917	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	37.8	33.8	1	187941	5591
Ktenasite ()*	Ktenasite Devilline	ZnCu₄(SO₄)₂(OH)₆·6H₂O	37.8	33.8	1	187917	75
Kutnohorite ()*	None	CaMn²⁺(CO₃)₂	37.8	33.8	1	187917	234
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	37.8	33.8	2	187904,187917	14899
Marcasite ()*	Marcasite	FeS₂	37.8	33.8	4	187904,187906,187914,187941	5674
Matildite ()*	None	AgBiS₂	37.8	33.8	1	187917	252
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	37.8	33.8	3	187912,187913,187917	915
Mendozite ()*	None	NaAl(SO₄)₂·11H₂O	37.8	33.8	1	187947	28
Pearceite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(As,Sb)₂S₇]	37.8	33.8	0		249
Petzite ()*	None	Ag₃AuTe₂	37.8	33.8	1	187917	409
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	37.8	33.8	1	187917	716
Proustite ()*	None	Ag₃AsS₃	37.8	33.8	0		733
Pyrargyrite ()*	None	Ag₃SbS₃	37.8	33.8	0		1425
Pyrite ()*	Pyrite	FeS₂	37.8	33.8	11	187906,187907,187910,187912,187913,187914,187915,187916,187917,187941,187948	39462
Pyrolusite ()*	Rutile	MnO₂	37.8	33.8	2	187913,187917	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	37.8	33.8	2	187907,187917	9056
Quartz ()*	Quartz	SiO₂	37.8	33.8	3	187912,187917,187932	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	37.8	33.8	1	187917	1711
Römerite ()*	Römerite	Fe²⁺Fe³⁺₂(SO₄)₄·14H₂O	37.8	33.8	1	187917	115
Siderite ()*	Calcite	Fe(CO₃)	37.8	33.8	7	187906,187907,187913,187914,187916,187917,187941	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅	37.8	33.8	1	187932	1516
Silver ()*	Copper	Ag	37.8	33.8	1	187948	5186
Smithsonite ()*	Calcite	Zn(CO₃)	37.8	33.8	2	187913,187917	2473
Sphalerite ()*	Sphalerite	ZnS	37.8	33.8	6	187906,187914,187915,187916,187917,187941	21482
Stephanite ()*	None	Ag₅SbS₄	37.8	33.8	1	187917	586
Stibnite ()*	Stibnite	Sb₂S₃	37.8	33.8	1	187920	3418
Stromeyerite ()*	None	CuAgS	37.8	33.8	1	187917	332
Sulphur ()*	Sulphur	S	37.8	33.8	2	187913,187921	2045
Sylvanite ()*	Melonite	AgAuTe₄	37.8	33.8	1	187916	337
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	37.8	33.8	1	187917	139
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	37.8	33.8	0		1803
Tetradymite ()*	Tetradymite	Bi₂Te₂S	37.8	33.8	0		510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	37.8	33.8	1	187917	5317
Wollastonite ()*	Wollastonite	CaSiO₃	37.8	33.8	1	187933	1247

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
	sedznpb-00463	37.8	33.8	35.8±2											3616	Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA	Gilman	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL
R050272	Eagle Mine (New Jersey Zinc Eagle Mine; Gilman Mine; Wilkesbarre Shaft; Newhouse Tunnel; Little Chief Mine; Iron Mask Mine; Belden Mine; Black Iron Mine), Gilman, Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA	https://rruff.info/R050272

All locality data graciously provided by mindat.org

All age data...