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:
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

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

mindat Locality ID: 3627
mindat URL: http://www.mindat.org/loc-3627.html

Tectonic Settings:

Total number of sublocalities beneath "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": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°32'2"N
Longitude: 106°23'34"W
Decimal Degree (lat, lon): 39.533888888889,-106.39277777778

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	Alunite	Apatite	Arsenopyrite	Baryte	Bournonite	Braunite	Calcite	Chalcanthite
Chalcopyrite	Clay	Copiapite	Copper	Coquimbite	Covellite	Devilline	Digenite	Epsomite	Gypsum
Halotrichite	Kaolinite	Kieserite	Ktenasite	Melanterite	Nickeline	None	Not in a structural group	Polybasite	Pyrite
Quartz	Rocksalt	Rutile	Römerite	Sphalerite	Spinel	Tetrahedrite

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 O P Pb S Sb Si Te Zn

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

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

56 IMA Minerals at location:

Acanthite ()*	Alunite ()*	Anglesite ()*	Ankerite ()*	Arsenopyrite ()*
Baryte ()*	Bornite ()*	Bournonite ()*	Braunite ()*	Chalcanthite ()*
Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Copiapite ()*	Copper ()*
Coquimbite ()*	Covellite ()*	Dickite ()*	Digenite ()*	Dolomite ()*
Dyscrasite ()*	Epsomite ()*	Fibroferrite ()*	Fluorapatite ()*	Freibergite ()*
Freieslebenite ()*	Galena ()*	Gold ()*	Goslarite ()*	Gunningite ()*
Gypsum ()*	Halotrichite ()*	Hemimorphite ()*	Hessite ()*	Hydrozincite ()*
Jarosite ()*	Ktenasite ()*	Kutnohorite ()*	Magnetite ()*	Matildite ()*
Melanterite ()*	Petzite ()*	Polybasite ()*	Pyrite ()*	Pyrolusite ()*
Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*	Römerite ()*	Siderite ()*
Smithsonite ()*	Sphalerite ()*	Stephanite ()*	Stromeyerite ()*	Szomolnokite ()*
Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	37.8	33.8	2793
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	37.8	33.8	966
Anglesite ()*	Baryte	Pb(SO₄)	37.8	33.8	2734
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	37.8	33.8	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	37.8	33.8	9052
Baryte ()*	Baryte	Ba(SO₄)	37.8	33.8	11547
Bornite ()*	None	Cu₅FeS₄	37.8	33.8	5516
Bournonite ()*	Bournonite	CuPbSbS₃	37.8	33.8	1089
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	37.8	33.8	483
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	37.8	33.8	925
Chalcocite ()*	None	Cu₂S	37.8	33.8	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	37.8	33.8	27198
Chlorargyrite ()*	Rocksalt	AgCl	37.8	33.8	1382
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	37.8	33.8	382
Copper ()*	Copper	Cu	37.8	33.8	3846
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	37.8	33.8	136
Covellite ()*	Covellite	CuS	37.8	33.8	4165
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	37.8	33.8	651
Digenite ()*	Digenite	Cu_1.8S	37.8	33.8	1027
Dolomite ()*	None	CaMg(CO₃)₂	37.8	33.8	9895
Dyscrasite ()*	Allargentum	Ag_3+xSb_1-x (x ≈ 0.2)	37.8	33.8	180
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	37.8	33.8	484
Fibroferrite ()*	Not in a structural group	Fe³⁺(SO₄)(OH)·5H₂O	37.8	33.8	107
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	37.8	33.8	2740
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	37.8	33.8	663
Freieslebenite ()*	None	AgPbSbS₃	37.8	33.8	105
Galena ()*	Rocksalt	PbS	37.8	33.8	24243
Gold ()*	Copper	Au	37.8	33.8	30554
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O	37.8	33.8	188
Gunningite ()*	Kieserite	Zn(SO₄)·H₂O	37.8	33.8	48
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	37.8	33.8	6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	37.8	33.8	409
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	37.8	33.8	1689
Hessite ()*	None	Ag₂Te	37.8	33.8	804
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	37.8	33.8	1066
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	37.8	33.8	2228
Ktenasite ()*	Ktenasite Devilline	ZnCu₄(SO₄)₂(OH)₆·6H₂O	37.8	33.8	75
Kutnohorite ()*	None	CaMn²⁺(CO₃)₂	37.8	33.8	234
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	37.8	33.8	14899
Matildite ()*	None	AgBiS₂	37.8	33.8	252
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	37.8	33.8	915
Petzite ()*	None	Ag₃AuTe₂	37.8	33.8	409
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	37.8	33.8	716
Pyrite ()*	Pyrite	FeS₂	37.8	33.8	39462
Pyrolusite ()*	Rutile	MnO₂	37.8	33.8	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	37.8	33.8	9056
Quartz ()*	Quartz	SiO₂	37.8	33.8	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	37.8	33.8	1711
Römerite ()*	Römerite	Fe²⁺Fe³⁺₂(SO₄)₄·14H₂O	37.8	33.8	115
Siderite ()*	Calcite	Fe(CO₃)	37.8	33.8	6417
Smithsonite ()*	Calcite	Zn(CO₃)	37.8	33.8	2473
Sphalerite ()*	Sphalerite	ZnS	37.8	33.8	21482
Stephanite ()*	None	Ag₅SbS₄	37.8	33.8	586
Stromeyerite ()*	None	CuAgS	37.8	33.8	332
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	37.8	33.8	139
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	37.8	33.8	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
	sedznpb-00463	37.8	33.8	35.8±2							Yes				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...