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:
Chaffee Co., Colorado, USA

Oldest recorded age at locality: 1610
Youngest recorded age at locality: 5

mindat Locality ID: 15313
mindat URL: http://www.mindat.org/loc-15313.html

Tectonic Settings:

Total number of sublocalities beneath "Chaffee Co., Colorado, USA": 496
Total number of bottom-level sublocalities: 453

Number of Child Localities: 66
Child Localities:
Alpine District
Bald Mountain
Big Buck And White Cloud Claims
Boss Lake Reservoir
Browns Canyon Area
Browns Canyon District
Buena Vista
Buffalo Peaks
Chaffee County Fluorspar Mine
Chalk Cliff District
Chalk Creek District
Cinderella
Cleora District
Cottonwood Creek
Cottonwood District
Cumberland Pass
Doctor
Free Gold District
Futurity
Golden Calf
Granite District
K O
Kismuth Mine
La Plata District (Winfield District)
Lady Luck Nos. 1-5 (Everet Nos. 1-17)
Lincoln District (Lincoln Gulch District; Ruby District)
Marshall Pass District
McNasser Gulch
Monarch District
Mount Harvard Occurrence
Mount Princeton
Mount Shavano Area
Mt Antero
Mt Chipeta
Mt White
Murcer Mercury
Nathrop
Ohio And Colorado Quarry
Parakeet
Placer Creek Placers
Poncha Mine
Poncha Pass Area
Poncha Springs
Poncha Springs Area
Princeton Area
Red Mountain District
Riverside District
Sawyer Shaft
Sedalia District
Serry Occurrence
Smuggler
South Arkansas District
South Cottonwood
Springfield
Tellurium Lode Prospect
Tom Dick And Harry
Trout Creek Pass Pegmatite District
Turret District
Twin Lakes District
U. S. Fluorspar Company
Union-Carbonate Shaft
Unknown Kyanite Occurrence (MRDS - 10017005)
Valley View
White Star (Spar King Occurrence)
Wolfrom Tunnel
Yukon Placer

Latitude: 38°39'57"N
Longitude: 106°12'1"W
Decimal Degree (lat, lon): 38.665833333333,-106.20027777778

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	Aeschynite	Allanite	Allophane	Alunite	Amorphous	Amphibole	Andalusite	Apatite	Aragonite
Arsenic	Arseniosiderite	Arsenolite	Arsenopyrite	Baryte	Beryl	Bismutite	Brannerite	Brochantite	Calcite
Chalcanthite	Chalcopyrite	Chalcostibite	Clay	Clinozoisite	Columbite	Copper	Corundum	Covellite	Cristobalite
Descloizite	Devilline	Diaspore	Epidote	Epsomite	Feldspar	Fluorite	Gadolinite	Garnet	Gypsum
Humite	Kaolinite	Linarite	Malachite	Marcasite	Melanterite	Meneghinite	Mica	Molybdenite	Monazite
Nickeline	None	Not in a structural group	Pharmacosiderite	Phenakite	Polybasite	Pseudobrookite	Pyrite	Pyrophyllite	Pyroxene
Quartz	Rhodonite	Rocksalt	Rutile	Scheelite	Serpentine	Smectite-vermiculite	Sphalerite	Spinel	Staurolite
Stibnite	Stilbite	Struvite	Sulphur	Talc	Tetradymite	Tetrahedrite	Titanite	Topaz	Tourmaline
Tridymite	Triplite	Vesuvianite	Wavellite	Wollastonite	Zircon

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 C Ca Ce Cl Cu F Fe H K Mg Mn Mo N Na Nb O P Pb S Sb Sc Si Sn Ta Te Th Ti U V W Y Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Aeschynite Allanite Allophane Alunite Amorphous Amphibole Andalusite Apatite Aragonite
Arsenic Arseniosiderite Arsenolite Arsenopyrite Baryte Beryl Bismutite Brannerite Brochantite Calcite
Chalcanthite Chalcopyrite Chalcostibite Clay Clinozoisite Columbite Copper Corundum Covellite Cristobalite
Descloizite Devilline Diaspore Epidote Epsomite Feldspar Fluorite Gadolinite Garnet Gypsum
Humite Kaolinite Linarite Malachite Marcasite Melanterite Meneghinite Mica Molybdenite Monazite
Nickeline None Not in a structural group Pharmacosiderite Phenakite Polybasite Pseudobrookite Pyrite Pyrophyllite Pyroxene
Quartz Rhodonite Rocksalt Rutile Scheelite Serpentine Smectite-vermiculite Sphalerite Spinel Staurolite
Stibnite Stilbite Struvite Sulphur Talc Tetradymite Tetrahedrite Titanite Topaz Tourmaline
Tridymite Triplite Vesuvianite Wavellite Wollastonite Zircon

167 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Aeschynite-(Y) ()*	Aikinite ()*	Albite ()*
Allanite-(Ce) ()*	Almandine ()*	Altaite ()*	Anatase ()*	Andalusite ()*
Andradite ()*	Anglesite ()*	Ankerite ()*	Anorthite ()*	Anthophyllite ()*
Antlerite ()*	Arseniosiderite ()*	Arsenolite ()*	Arsenopyrite ()*	Augite ()*
Aurichalcite ()*	Azurite ()*	Bariopharmacosiderite ()*	Baryte ()*	Bazzite ()*
Bertrandite ()*	Beryl ()*	Bismuth ()*	Bismuthinite ()*	Bismutite ()*
Bornite ()*	Brannerite ()*	Brochantite ()*	Burkeite ()*	Calcite ()*
Cassiterite ()*	Cerussite ()*	Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*
Chlorargyrite ()*	Chrysocolla ()*	Clinohumite ()*	Clinozoisite ()*	Columbite-(Fe) ()*
Columbite-(Mn) ()*	Copper ()*	Cordierite ()*	Corundum ()*	Covellite ()*
Cristobalite ()*	Cummingtonite ()*	Cuprite ()*	Cuprotungstite ()*	Descloizite ()*
Diopside ()*	Dolomite ()*	Dravite ()*	Emplectite ()*	Epidote ()*
Euclase ()*	Euxenite-(Y) ()*	Ferberite ()*	Ferrimolybdite ()*	Fluorapatite ()*
Fluorite ()*	Gadolinite-(Y) ()*	Gahnite ()*	Galena ()*	Gedrite ()*
Goethite ()*	Gold ()*	Goslarite ()*	Graphite ()*	Grossular ()*
Gypsum ()*	Halite ()*	Hematite ()*	Hemimorphite ()*	Hercynite ()*
Hübnerite ()*	Hydrozincite ()*	Ilmenite ()*	Jarosite ()*	Kaolinite ()*
Kasolite ()*	Kogarkoite ()*	Kyanite ()*	Laumontite ()*	Linarite ()*
Lizardite ()*	Magnesio-hornblende ()*	Magnesite ()*	Magnetite ()*	Malachite ()*
Manganite ()*	Marcasite ()*	Melanterite ()*	Microcline ()*	Mimetite ()*
Molybdenite ()*	Molybdite ()*	Monazite-(Ce) ()*	Montmorillonite ()*	Muscovite ()*
Opal ()*	Orthoclase ()*	Uranophane-β ()*	Phenakite ()*	Phlogopite ()*
Plumbojarosite ()*	Polybasite ()*	Polycrase-(Y) ()*	Pseudobrookite ()*	Pyrite ()*
Pyrolusite ()*	Pyromorphite ()*	Pyrophanite ()*	Pyrophyllite ()*	Pyrrhotite ()*
Quartz ()*	Rhodochrosite ()*	Rhodonite ()*	Romanèchite ()*	Rosasite ()*
Rutile ()*	Samarskite-(Y) ()*	Sanidine ()*	Scheelite ()*	Schorl ()*
Scorodite ()*	Serpierite ()*	Siderite ()*	Sillimanite ()*	Silver ()*
Smithsonite ()*	Spessartine ()*	Sphalerite ()*	Spinel ()*	Staurolite ()*
Stellerite ()*	Stephanite ()*	Struvite ()*	Sulphur ()*	Talc ()*
Tellurobismuthite ()*	Tennantite-(Fe) ()*	Tenorite ()*	Tetradymite ()*	Thorite ()*
Titanite ()*	Topaz ()*	Tremolite ()*	Tridymite ()*	Triplite ()*
Trona ()*	Uraninite ()*	Vermiculite ()*	Vesuvianite ()*	Wavellite ()*
Willemite ()*	Wollastonite ()*	Wulfenite ()*	Xenotime-(Y) ()*	Yukonite ()*
Zircon ()*	Zoisite ()*

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	39	29	6	185465,185491,185512,185574,185590,185660	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	77	29.7	10	185514,185534,185634,185678,185703,185704,185705,185710,185723,185724	3419
Aeschynite-(Y) ()*	Aeschynite	(Y,Ln,Ca,Th)(Ti,Nb)₂(O,OH)₆			1	185304	141
Aikinite ()*	Meneghinite	CuPbBiS₃	39	29	1	185465	315
Albite ()*	Feldspar	Na(AlSi₃O₈)	1610	26	13	185304,185305,185340,185635,185638,185641,185645,185696,185710,185723,185735,185738,185740	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1610	1570	4	185304,185305,185306,185687	706
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			6	185304,185340,185502,185524,185539,185678	2353
Altaite ()*	Rocksalt	PbTe			1	185366	489
Anatase ()*	Not in a structural group	TiO₂			1	185653	2162
Andalusite ()*	Andalusite	Al₂SiO₅			2	185340,185678	1310
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			2	185539,185597	1534
Anglesite ()*	Baryte	Pb(SO₄)	1610	29	14	185310,185323,185326,185465,185540,185570,185573,185586,185612,185617,185622,185678,185692,185698	2734
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			2	185535,185606	3092
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)			1	185678	1036
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			3	185508,185678,185704	718
Antlerite ()*	Not in a structural group	Cu²⁺₃(SO₄)(OH)₄			1	185678	246
Arseniosiderite ()*	Arseniosiderite	Ca₂Fe³⁺₃O₂(AsO₄)₃·3H₂O	1610	1570	1	185691	194
Arsenolite ()*	Arsenolite	As₂O₃	1610	1570	1	185691	231
Arsenopyrite ()*	Arsenopyrite	FeAsS	1610	1570	1	185691	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	77	29	2	185307,185710	2060
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆			1	185678	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1610	1570	11	185310,185323,185510,185512,185567,185575,185597,185610,185622,185678,185692	5509
Bariopharmacosiderite ()*	Pharmacosiderite	Ba_0.5Fe³⁺₄(AsO₄)₃(OH)₄·5H₂O	1610	1570	1	185691	150
Baryte ()*	Baryte	Ba(SO₄)	42	31.7	20	185271,185272,185275,185277,185278,185287,185291,185292,185293,185296,185297,185310,185320,185323,185324,185574,185670,185678,185704,185705	11547
Bazzite ()*	Beryl	Be₃(Sc,Fe³⁺,Mg)₂Si₆O₁₈·Na_0.32·nH₂O	40	26	2	185638,185645	51
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	40	26	2	185638,185645	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	40	26	30	185304,185316,185340,185466,185473,185477,185482,185488,185498,185638,185639,185641,185642,185645,185652,185653,185655,185678,185708,185711,185712,185716,185723,185730,185733,185734,185735,185738,185740,185745	4286
Bismuth ()*	Arsenic	Bi	39	29	1	185465	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	1610	26	9	185304,185466,185468,185473,185474,185482,185638,185652,185691	1935
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)	1610	26	4	185304,185306,185638,185691	716
Bornite ()*	None	Cu₅FeS₄			5	185351,185367,185398,185474,185556	5516
Brannerite ()*	Brannerite	UTi₂O₆	40	26	3	185638,185645,185653	248
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆			3	185586,185678,185704	1633
Burkeite ()*	None	Na₄(SO₄)(CO₃)			2	185318,185325	47
Calcite ()*	Calcite	Ca(CO₃)	1610	26	64	185272,185275,185277,185278,185287,185291,185292,185293,185296,185297,185310,185318,185323,185324,185325,185329,185331,185344,185352,185364,185367,185371,185372,185373,185492,185497,185504,185510,185518,185534,185536,185537,185542,185552,185574,185575,185577,185581,185590,185597,185602,185605,185610,185616,185618,185622,185623,185624,185638,185645,185650,185661,185670,185671,185674,185678,185691,185692,185704,185705,185710,185726,185744,185746	27770
Cassiterite ()*	Rutile	SnO₂	40	26	1	185638	5171
Cerussite ()*	Aragonite	Pb(CO₃)	1610	1570	34	185310,185311,185314,185323,185338,185492,185497,185501,185503,185510,185518,185519,185536,185537,185540,185541,185552,185565,185567,185574,185575,185578,185585,185594,185597,185602,185610,185612,185614,185617,185622,185678,185692,185698	4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O			2	185678,185704	925
Chalcocite ()*	None	Cu₂S			5	185465,185474,185533,185678,185704	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1610	31	61	185310,185312,185313,185314,185317,185319,185320,185321,185322,185323,185327,185328,185329,185330,185331,185332,185333,185344,185351,185353,185358,185359,185363,185366,185367,185368,185378,185398,185402,185474,185502,185505,185508,185510,185520,185524,185533,185540,185543,185551,185567,185569,185574,185580,185581,185582,185585,185591,185593,185595,185624,185625,185674,185678,185692,185704,185710,185719,185724,185749,185751	27198
Chlorargyrite ()*	Rocksalt	AgCl			4	185568,185574,185594,185721	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1610	26	16	185323,185332,185367,185398,185491,185501,185560,185567,185575,185579,185595,185610,185638,185678,185692,185704	3531
Clinohumite ()*	Humite	Mg₉(SiO₄)₄F₂			1	185678	236
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	185678	1025
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆			1	185730	518
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆			1	185472	289
Copper ()*	Copper	Cu			6	185346,185496,185512,185558,185567,185633	3846
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈			6	185502,185508,185524,185678,185704,185724	1008
Corundum ()*	Corundum	Al₂O₃	77	67	4	185706,185710,185714,185747	1797
Covellite ()*	Covellite	CuS			2	185678,185724	4165
Cristobalite ()*	Cristobalite	SiO₂	35	25	2	185265,185650	453
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			1	185678	327
Cuprite ()*	Not in a structural group	Cu₂O			6	185290,185352,185367,185398,185567,185678	2970
Cuprotungstite ()*	None	Cu²⁺₃(WO₄)₂(OH)₂			2	185351,185367	67
Descloizite ()*	Descloizite	PbZn(VO₄)(OH)	1610	1570	1	185698	378
Diopside ()*	Pyroxene	CaMgSi₂O₆	77	67	10	185352,185367,185514,185534,185543,185597,185630,185662,185678,185710	4135
Dolomite ()*	None	CaMg(CO₃)₂			8	185535,185567,185574,185585,185606,185621,185626,185627	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	185367	648
Emplectite ()*	Chalcostibite	CuBiS₂			1	185474	246
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	77	31.7	12	185271,185502,185514,185539,185622,185645,185662,185674,185678,185703,185710,185746	8173
Euclase ()*	None	BeAlSiO₄(OH)	40	26	1	185638	120
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	1610	1570	4	185691,185700,185701,185702	414
Ferberite ()*	Columbite	Fe²⁺(WO₄)	40	26	1	185638	551
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	1610	26	8	185381,185471,185475,185477,185638,185653,185689,185750	345
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	40	26	3	185472,185638,185678	2740
Fluorite ()*	Fluorite	CaF₂	1610	26	33	185271,185272,185275,185277,185278,185287,185291,185292,185293,185297,185306,185310,185318,185323,185324,185466,185472,185473,185482,185483,185504,185635,185638,185640,185645,185653,185661,185662,185667,185668,185669,185670,185691	9617
Gadolinite-(Y) ()*	Gadolinite	Y₂Fe²⁺Be₂O₂(SiO₄)₂	1610	1570	2	185304,185687	163
Gahnite ()*	Spinel	ZnAl₂O₄			10	185340,185502,185508,185524,185678,185704,185705,185706,185724,185747	445
Galena ()*	Rocksalt	PbS	1610	31	78	185310,185312,185313,185314,185317,185319,185320,185321,185322,185323,185324,185327,185328,185329,185330,185331,185332,185333,185338,185465,185466,185492,185497,185501,185502,185503,185505,185508,185517,185518,185519,185533,185536,185537,185540,185541,185547,185550,185551,185552,185560,185565,185567,185569,185570,185573,185574,185578,185580,185581,185582,185583,185585,185587,185590,185591,185593,185594,185595,185597,185601,185602,185605,185606,185612,185613,185614,185615,185617,185618,185622,185623,185624,185626,185678,185692,185694,185698	24243
Gedrite ()*	Amphibole	Mg₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂	77	67	3	185524,185678,185703	178
Goethite ()*	Diaspore	FeO(OH)	42	26	15	185272,185275,185277,185278,185287,185291,185292,185293,185297,185534,185537,185540,185574,185635,185638	7437
Gold ()*	Copper	Au	1610	1570	51	185270,185351,185352,185366,185367,185389,185398,185400,185412,185413,185430,185441,185442,185443,185444,185455,185456,185457,185458,185459,185510,185512,185515,185518,185536,185540,185547,185567,185574,185575,185578,185585,185590,185597,185606,185610,185612,185613,185633,185637,185648,185650,185656,185673,185678,185694,185705,185719,185721,185725,185749	30554
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O			1	185678	188
Graphite ()*	None	C	77	31	4	185491,185710,185714,185744	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	77	67	5	185352,185367,185543,185658,185710	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			3	185327,185622,185678	6890
Halite ()*	Rocksalt	NaCl			1	185318	1398
Hematite ()*	Corundum	Fe₂O₃	1610	26	23	185272,185275,185277,185278,185287,185291,185292,185293,185297,185340,185474,185502,185538,185613,185635,185638,185650,185651,185678,185691,185704,185710,185725	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	1610	1570	13	185497,185510,185540,185567,185574,185582,185585,185586,185597,185602,185612,185678,185698	1689
Hercynite ()*	Spinel	Fe²⁺Al₂O₄			1	185678	407
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	40	26	4	185381,185593,185638,185737	469
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	1610	1570	2	185678,185698	1066
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			5	185389,185472,185650,185678,185724	5433
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	40	26	2	185638,185653	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	77	67	9	185272,185275,185277,185278,185291,185292,185293,185297,185710	5591
Kasolite ()*	None	Pb(UO₂)(SiO₄)·H₂O	1610	1570	1	185687	198
Kogarkoite ()*	None	Na₃(SO₄)F			2	185318,185325	14
Kyanite ()*	Not in a structural group	Al₂OSiO₄			1	185678	1507
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	77	26	3	185315,185642,185710	1271
Linarite ()*	Linarite	CuPb(SO₄)(OH)₂			1	185678	987
Lizardite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	185534	359
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	36.3	29.7	1	185634	238
Magnesite ()*	Calcite	Mg(CO₃)	77	67	1	185710	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1610	26	21	185267,185306,185310,185340,185347,185389,185504,185534,185594,185638,185645,185650,185651,185653,185668,185678,185690,185704,185706,185710,185724	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1610	67	29	185306,185310,185323,185332,185351,185353,185358,185398,185501,185510,185512,185540,185541,185560,185567,185574,185575,185582,185585,185595,185597,185610,185612,185622,185625,185678,185692,185704,185710	12537
Manganite ()*	Rutile	Mn³⁺O(OH)	42	31.7	9	185272,185275,185277,185278,185287,185291,185292,185293,185297	770
Marcasite ()*	Marcasite	FeS₂	42	31.7	2	185271,185678	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O			1	185678	915
Microcline ()*	Feldspar	K(AlSi₃O₈)	1610	26	17	185304,185305,185306,185340,185635,185638,185643,185645,185678,185690,185691,185702,185723,185730,185735,185738,185745	4924
Mimetite ()*	Apatite	Pb₅(AsO₄)₃Cl	45	31	1	185491	1107
Molybdenite ()*	Molybdenite	MoS₂	40	26	28	185381,185447,185449,185453,185454,185466,185471,185473,185475,185476,185477,185478,185482,185487,185520,185543,185544,185593,185596,185609,185629,185638,185653,185660,185674,185724,185751,185752	5800
Molybdite ()*	None	MoO₃			3	185447,185653,185751	140
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	1610	1570	4	185306,185472,185687,185691	945
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	42	31.7	9	185272,185275,185277,185278,185287,185291,185292,185293,185297	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1610	26	29	185266,185304,185306,185312,185324,185340,185466,185524,185635,185638,185641,185645,185652,185653,185658,185668,185678,185691,185692,185712,185723,185724,185730,185733,185734,185735,185738,185740,185745	17380
Opal ()*	Amorphous	SiO₂·nH₂O	42	29	19	185271,185272,185275,185277,185278,185287,185291,185292,185293,185297,185299,185307,185318,185325,185650,185661,185678,185704,185705	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	40	26	4	185638,185653,185738,185740	2349
Uranophane-β ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	1610	1570	1	185687	144
Phenakite ()*	Phenakite	Be₂(SiO₄)	40	26	6	185498,185638,185639,185643,185645,185655	326
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			3	185543,185678,185704	2273
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆			1	185574	477
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]			1	185466	716
Polycrase-(Y) ()*	Columbite	Y(Ti,Nb)₂(O,OH)₆	1610	1570	5	185304,185305,185306,185687,185691	121
Pseudobrookite ()*	Pseudobrookite	(Fe³⁺₂Ti)O₅			1	185650	164
Pyrite ()*	Pyrite	FeS₂	1610	26	78	185271,185272,185275,185277,185278,185287,185291,185292,185293,185297,185310,185312,185313,185314,185317,185319,185320,185321,185322,185323,185324,185326,185327,185328,185329,185330,185331,185332,185333,185453,185466,185471,185474,185482,185491,185502,185505,185508,185510,185512,185516,185517,185533,185540,185541,185543,185547,185551,185567,185569,185573,185574,185579,185580,185581,185582,185583,185585,185587,185590,185591,185593,185595,185597,185605,185609,185622,185623,185624,185625,185638,185652,185653,185674,185678,185692,185710,185724	39462
Pyrolusite ()*	Rutile	MnO₂	1610	31.7	24	185272,185275,185277,185278,185287,185291,185292,185293,185296,185297,185310,185323,185339,185374,185491,185578,185661,185670,185671,185692,185707,185726,185741,185748	3106
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	1610	1570	1	185698	1725
Pyrophanite ()*	Corundum	Mn²⁺TiO₃			1	185472	244
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	77	67	2	185678,185710	771
Pyrrhotite ()*	Nickeline	Fe₇S₈			6	185502,185504,185524,185540,185678,185724	9056
Quartz ()*	Quartz	SiO₂	1610	26	148	185271,185272,185275,185277,185278,185287,185291,185292,185293,185296,185297,185304,185305,185306,185307,185310,185312,185313,185314,185317,185319,185320,185321,185322,185323,185326,185327,185328,185329,185330,185331,185332,185333,185338,185340,185344,185351,185352,185353,185358,185359,185363,185364,185366,185367,185368,185378,185381,185453,185466,185471,185473,185474,185475,185477,185482,185490,185492,185501,185502,185503,185505,185508,185510,185512,185514,185516,185517,185519,185524,185525,185533,185534,185539,185541,185547,185551,185552,185556,185560,185569,185573,185574,185577,185579,185580,185581,185582,185583,185590,185591,185593,185595,185596,185597,185601,185602,185605,185606,185609,185610,185617,185622,185623,185624,185625,185635,185638,185641,185642,185645,185650,185652,185653,185662,185663,185667,185668,185670,185674,185678,185690,185691,185692,185696,185702,185703,185704,185705,185710,185711,185712,185719,185721,185723,185724,185730,185733,185734,185735,185738,185740,185744,185745,185746,185747,185749,185750	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	1610	1570	7	185314,185323,185328,185329,185332,185466,185692	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1610	1570	6	185314,185323,185328,185332,185339,185692	969
Romanèchite ()*	None	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀			1	185661	312
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂			1	185678	454
Rutile ()*	Rutile	TiO₂	77	26	8	185472,185638,185645,185652,185653,185678,185706,185710	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1610	1570	1	185687	353
Sanidine ()*	Feldspar	K(AlSi₃O₈)			3	185272,185650,185664	598
Scheelite ()*	Scheelite	Ca(WO₄)	77	67	15	185344,185351,185353,185358,185359,185363,185364,185367,185368,185378,185508,185662,185663,185678,185710	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			2	185304,185747	2705
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O	1610	1570	1	185691	1153
Serpierite ()*	Devilline	Ca(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O			1	185678	292
Siderite ()*	Calcite	Fe(CO₃)			6	185339,185552,185574,185707,185726,185748	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅	77	67	10	185502,185508,185524,185678,185703,185704,185710,185724,185750,185755	1516
Silver ()*	Copper	Ag	1610	1570	10	185352,185398,185515,185544,185633,185678,185694,185719,185725,185749	5186
Smithsonite ()*	Calcite	Zn(CO₃)	1610	1570	17	185311,185314,185323,185332,185497,185518,185536,185540,185560,185567,185574,185585,185597,185602,185612,185678,185692	2473
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	40	26	2	185638,185650	1214
Sphalerite ()*	Sphalerite	ZnS	1610	31	53	185310,185312,185313,185314,185317,185319,185320,185321,185322,185323,185327,185328,185329,185330,185331,185332,185333,185366,185474,185502,185505,185508,185512,185524,185533,185540,185541,185551,185567,185569,185574,185580,185581,185582,185583,185585,185587,185591,185593,185595,185597,185605,185613,185623,185624,185625,185626,185678,185692,185694,185698,185704,185724	21482
Spinel ()*	Spinel	MgAl₂O₄			2	185678,185706	1934
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			1	185678	978
Stellerite ()*	Stilbite	Ca₄(Si₂₈Al₈)O₇₂·28H₂O	40	26	2	185638,185645	189
Stephanite ()*	None	Ag₅SbS₄			1	185568	586
Struvite ()*	Struvite	(NH₄)Mg(PO₄)·6H₂O	40	26	1	185638	30
Sulphur ()*	Sulphur	S	40	26	2	185638,185645	2045
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			2	185678,185704	3337
Tellurobismuthite ()*	Tetradymite	Bi₂Te₃			1	185644	276
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			1	185311	1803
Tenorite ()*	None	CuO			5	185567,185575,185597,185610,185678	1101
Tetradymite ()*	Tetradymite	Bi₂Te₂S			2	185644,185652	510
Thorite ()*	Zircon	Th(SiO₄)			1	185304	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	77	26	5	185472,185638,185645,185678,185710	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	40	26	6	185473,185482,185638,185645,185650,185653	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	77	29.7	6	185550,185618,185634,185678,185704,185710	2562
Tridymite ()*	Tridymite	SiO₂			1	185650	458
Triplite ()*	Triplite	Mn²⁺₂(PO₄)F	40	26	1	185638	233
Trona ()*	None	Na₃(HCO₃)(CO₃)·2H₂O			1	185318	129
Uraninite ()*	Fluorite	UO₂			1	185306	2718
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	1610	67	4	185688,185699,185710,185743	652
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀			3	185352,185367,185678	1395
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O			1	185678	374
Willemite ()*	Phenakite	Zn₂SiO₄			1	185678	303
Wollastonite ()*	Wollastonite	CaSiO₃	36.3	29.7	3	185490,185542,185634	1247
Wulfenite ()*	Scheelite	PbMoO₄	1610	1570	5	185552,185574,185678,185698,185721	1655
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1610	1570	5	185304,185306,185472,185691,185693	939
Yukonite ()*	None	Ca₂Fe³⁺₃(AsO₄)₃(OH)₄·4H₂O	1610	1570	1	185691	29
Zircon ()*	Zircon	Zr(SiO₄)	1610	26	5	185304,185472,185638,185678,185690	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	185678	1025

14 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
NAVDAT-35547	35	25	30±5			35547	134249	Bald Mountain, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-35680	41.7	31.7	36.7±5			35680	110791	Last Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2), Browns Canyon District, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-35681	42	32	37±5			35681	110791	Last Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2), Browns Canyon District, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-35549	39	29	34±5			35549	134325	Buffalo Peaks, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-35627	15	5	10±5			35627	110817	Marvel Occurrence, Cleora District, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-19685	39	29	34±5			19685	110823	Middle Mountain Prospect, La Plata District (Winfield District), Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-19687	45	35	40±5			19687	110794	Lehigh, Monarch District, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-35558	41	31	36±5			35558	214497	Little Orphan Annie Mine, Monarch District, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-67173	36.3	29.7	33±3.3			67173	122702	Mount Princeton, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-67174	36.3	29.7	33±3.3			67174	122702	Mount Princeton, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-67175	36.3	29.7	33±3.3			67175	122702	Mount Princeton, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-36554	40	26	33±7			36554	3597	Mt Antero, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT
Bradley_2012_029	1610	1570	1590±20	U/Pb	monazite		3600	Trout Creek Pass Pegmatite District, Chaffee Co., Colorado, USA	Trout Creek	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
NAVDAT-35653	77	67	72±5			35653	5572	Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL
R120080	Clora May Mine (Mina Blanca; Clara May Lode), Newett, Trout Creek Pass Pegmatite District, Buena Vista, Chaffee Co., Colorado, USA	https://rruff.info/R120080
R050137	Mt Antero, Chaffee Co., Colorado, USA	https://rruff.info/R050137
R061087	Turret District, Chaffee Co., Colorado, USA	https://rruff.info/R061087
R050131	Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA	https://rruff.info/R050131

All locality data graciously provided by mindat.org

All age data...