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:
Elk Mountain District, Gunnison Co., Colorado, USA

Oldest recorded age at locality: 29
Youngest recorded age at locality: 7.5

mindat Locality ID: 134080
mindat URL: http://www.mindat.org/loc-134080.html

Tectonic Settings:

Total number of sublocalities beneath "Elk Mountain District, Gunnison Co., Colorado, USA": 44
Total number of bottom-level sublocalities: 44

Number of Child Localities: 44
Child Localities:
Aburdix Occurrence
American Eagle; Luona Occurrence
Arrowhead Mine
Aspen - Riverside Group
Baltimore; Grandview; Mineral King; Virginia; W. Virginia
Baroni Mine (John Baroni Mine)
Brush Creek Group
Crystal Peak
Ella; Ella C; Crown; Justice Occurrence
Garfield Mine (King Cole Mine)
Hercules - Ajax
High & Mighty Occurrence
Horace Porter Mine
Howard; Mysterious; Emma; Rustler; Spirit Of The Times Occurrence
Iron Dune; Copper Queen; Silver Bell; Copper Glance; Copper Extension Occurrence
Iron Swamp Occurrence (Old Iron Bog; Jerry No. 1)
M.S.; Cumberland; Silver King Occurrence
Micawber
Mt. Emmons/Crested Butte (Chautauqua; Daisey; Daisey Mine; Mt. Emmons; Crested Butte)
North Pole Mine
North Star Claims
O. F. Lode Occurrence
Out West Placer; Galena Park; Cleveland; Ajax; Hercules
Projects A B C D
Puritan Group
Silver Bell; A. J. Warner; Jupiter; Iron King
Silver Jewel; Gunnison Placer; McLoud Placer
Silver Spruce Mine
Spotted Fawn Occurrence (Bonnie Bray; Bonanza; Izetta; Baltimore; Urzilla; James Blain)
Treasure Mountain Dome
Treasury Mountain Granite
Treasury Mountain Mine
Unknown Barium - Barite (MRDS - 10166993)
Unknown Iron - Silver Occurrence (MRDS - 10016214)
Unknown Iron - Silver Occurrence (MRDS - 10016223)
Unknown Limestone - General Occurrence (MRDS - 10016212)
Unknown Shaft (MRDS - 10117918)
Unknown Silver - Iron - Zinc - Barium - Barite Occurrence (MRDS - 10016216)
Unknown Silver - Nickel - Cobalt Occurrence (MRDS - 10016215)
Unknown Silver (MRDS - 10239247)
Virginia; Ophir; Ellas Wood; Virginia Basin; Frank; Mineral King
Washington Gulch
Yule Creek Occurrence
Yule Marble Quarry Various

Latitude: 38°58'45"N
Longitude: 106°59'46"W
Decimal Degree (lat, lon): 38.979166666667,-106.99611111111

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	Allophane	Amphibole	Aragonite	Arsenic	Arsenolite	Baryte	Beryl	Brochantite	Calcite
Chalcopyrite	Clay	Clinozoisite	Columbite	Copper	Corundum	Epidote	Fluorite	Löllingite	Lillianite
Marcasite	Meta-autunite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Owyheeite	Perovskite	Pyrite
Pyroxene	Quartz	Rocksalt	Rutile	Scheelite	Skutterudite	Sphalerite	Spinel	Ullmannite	Vivianite

Acanthite ()*	Actinolite ()*	Anglesite ()*	Aragonite ()*	Arsenic ()*
Arsenolite ()*	Azurite ()*	Baryte ()*	Beryl ()*	Brochantite ()*
Calcite ()*	Chalcopyrite ()*	Chrysocolla ()*	Clinosafflorite ()*	Copper ()*
Dolomite ()*	Epidote ()*	Erythrite ()*	Ferrimolybdite ()*	Fluorite ()*
Freieslebenite ()*	Galena ()*	Gold ()*	Hedenbergite ()*	Hematite ()*
Heyrovskýite ()*	Hübnerite ()*	Ilmenite ()*	Lillianite ()*	Löllingite ()*
Magnetite ()*	Marcasite ()*	Meta-autunite ()*	Molybdenite ()*	Muscovite ()*
Owyheeite ()*	Proustite ()*	Pyrargyrite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Rutile ()*	Safflorite ()*	Scheelite ()*	Siderite ()*
Silver ()*	Skutterudite ()*	Sphalerite ()*	Stibarsen ()*	Ullmannite ()*
Uraninite ()*

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 Be Bi C Ca Co Cu F Fe H K Mg Mn Mo Ni O P Pb S Sb Si Ti U W Zn

Elements from minerals reported directly at this locality: Fe S

Structural Groups for minerals in this locality:
Acanthite Allophane Amphibole Aragonite Arsenic Arsenolite Baryte Beryl Brochantite Calcite
Chalcopyrite Clay Clinozoisite Columbite Copper Corundum Epidote Fluorite Löllingite Lillianite
Marcasite Meta-autunite Mica Molybdenite Nickeline None Not in a structural group Owyheeite Perovskite Pyrite
Pyroxene Quartz Rocksalt Rutile Scheelite Skutterudite Sphalerite Spinel Ullmannite Vivianite

51 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			1	189479	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			1	189496	3419
Anglesite ()*	Baryte	Pb(SO₄)			1	189496	2734
Aragonite ()*	Aragonite	Ca(CO₃)			1	189513	3250
Arsenic ()*	Arsenic	As			1	189479	379
Arsenolite ()*	Arsenolite	As₂O₃			1	189479	231
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	189497	5509
Baryte ()*	Baryte	Ba(SO₄)			3	189479,189491,189497	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			1	189496	4286
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆			1	189497	1633
Calcite ()*	Calcite	Ca(CO₃)			2	189479,189496	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	189496,189497	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			2	189485,189497	3531
Clinosafflorite ()*	Löllingite	CoAs₂			1	189479	21
Copper ()*	Copper	Cu			8	189482,189486,189495,189497,189499,189502,189506,189518	3846
Dolomite ()*	None	CaMg(CO₃)₂			1	189479	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	189496	8173
Erythrite ()*	Vivianite	Co₃(AsO₄)₂·8H₂O			1	189479	814
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O			1	189520	345
Fluorite ()*	Fluorite	CaF₂			1	189496	9617
Freieslebenite ()*	None	AgPbSbS₃			1	189487	105
Galena ()*	Rocksalt	PbS			1	189496	24243
Gold ()*	Copper	Au			6	189478,189482,189499,189504,189518,189519	30554
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆			1	189507	741
Hematite ()*	Corundum	Fe₂O₃			1	189496	14640
Heyrovskýite ()*	Lillianite	Pb₆Bi₂S₉			1	189496	66
Hübnerite ()*	Columbite	Mn²⁺(WO₄)			1	189496	469
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	189508	5433
Lillianite ()*	Lillianite	Pb_3-2xAg_xBi_2+xS₆			1	189496	128
Löllingite ()*	Löllingite	FeAs₂			1	189479	762
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	189496	14899
Marcasite ()*	Marcasite	FeS₂	29	7.5	0		5674
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O			1	189498	388
Molybdenite ()*	Molybdenite	MoS₂			2	189496,189520	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	189496	17380
Owyheeite ()*	Owyheeite	Ag₃Pb₁₀Sb₁₁S₂₈			1	189487	89
Proustite ()*	None	Ag₃AsS₃			1	189479	733
Pyrargyrite ()*	None	Ag₃SbS₃			1	189479	1425
Pyrite ()*	Pyrite	FeS₂			3	189496,189497,189521	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	189496	9056
Quartz ()*	Quartz	SiO₂			3	189496,189497,189520	61156
Rutile ()*	Rutile	TiO₂			1	189508	5614
Safflorite ()*	Löllingite	CoAs₂			1	189479	317
Scheelite ()*	Scheelite	Ca(WO₄)			1	189496	4894
Siderite ()*	Calcite	Fe(CO₃)			1	189479	6417
Silver ()*	Copper	Ag			12	189478,189479,189482,189492,189495,189497,189506,189511,189512,189515,189516,189518	5186
Skutterudite ()*	Skutterudite Perovskite	CoAs₃			3	189479,189490	531
Sphalerite ()*	Sphalerite	ZnS			1	189496	21482
Stibarsen ()*	Arsenic	SbAs			1	189479	48
Ullmannite ()*	Ullmannite	NiSbS			1	189497	293
Uraninite ()*	Fluorite	UO₂			1	189498	2718

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-31452	10	7.5	8.75±1.25	31452	113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31453	10	7.5	8.75±1.25	31453	113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31454	10	7.5	8.75±1.25	31454	113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19705	29	19	24±5	19705	114074	Silver Spruce Mine, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...