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:
Yukon-Koyukuk Census Area, Alaska, USA

Oldest recorded age at locality: 419
Youngest recorded age at locality: 5

mindat Locality ID: 26114
mindat URL: http://www.mindat.org/loc-26114.html

Tectonic Settings:

Total number of sublocalities beneath "Yukon-Koyukuk Census Area, Alaska, USA": 1166
Total number of bottom-level sublocalities: 1137

Number of Child Localities: 35
Child Localities:
Alaska Range
Amber District
Anvik District
Black District
Chandalar District
Circle District
Colville District
Eagle District
Fairbanks District
Hot Springs District
Hughes District
Idaho Bar Mine
Iditarod District
Innoko District
Kaiyuh District
Kantishna District
Koyukuk District
Kuskokwim District
Kuskokwim Mts
Luke Creek Occurrence
McGrath District
Melozitna District
Noatak District
Ophir District
Rampart District
Ruby District
Selawik District
Sheenjek District
Shungnak District
Tolovana District
Unknown Occurrence
Unnamed Occurrence (ARDF - LG033)
Unnamed Prospect (ARDF - LG032; Near Winter Creek)
Yukon Flats District
Yukon River

Latitude: 65°27'46"N
Longitude: 151°19'10"W
Decimal Degree (lat, lon): 65.462777777778,-151.31944444444

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	Alunite	Amphibole	Andalusite	Apatite	Aragonite	Arsenic	Arsenopyrite	Baryte
Bournonite	Braunite	Brookite	Calcite	Carminite	Chalcopyrite	Chevkinite	Clay	Clinozoisite	Columbite
Copper	Corundum	Covellite	Cubanite	Diamond	Diaspore	Digenite	Enargite	Epidote	Eudialyte
Feldspar	Fluorite	Gillespite	Gypsum	Hopeite	Kaolinite	Malachite	Marcasite	Mica	Molybdenite
Nickeline	None	Not in a structural group	Pentlandite	Phosphuranylite	Polybasite	Pyrite	Pyrochlore	Pyroxene	Quartz
Rhodonite	Rocksalt	Rutile	Sartorite	Scheelite	Smectite-vermiculite	Sphalerite	Spinel	Stannite	Stibnite
Sulphur	Talc	Tetradymite	Tetrahedrite	Titanite	Topaz	Tourmaline	Vivianite	Wollastonite	Wurtzite
Xanthoconite	Zinkenite	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 Bi C Ca Ce Cl Co Cr Cu F Fe H Hg Ir K Mg Mn Mo Na Nb Ni O P Pb Pd Pt S Sb Si Sn Sr 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 Allophane Alunite Amphibole Andalusite Apatite Aragonite Arsenic Arsenopyrite Baryte
Bournonite Braunite Brookite Calcite Carminite Chalcopyrite Chevkinite Clay Clinozoisite Columbite
Copper Corundum Covellite Cubanite Diamond Diaspore Digenite Enargite Epidote Eudialyte
Feldspar Fluorite Gillespite Gypsum Hopeite Kaolinite Malachite Marcasite Mica Molybdenite
Nickeline None Not in a structural group Pentlandite Phosphuranylite Polybasite Pyrite Pyrochlore Pyroxene Quartz
Rhodonite Rocksalt Rutile Sartorite Scheelite Smectite-vermiculite Sphalerite Spinel Stannite Stibnite
Sulphur Talc Tetradymite Tetrahedrite Titanite Topaz Tourmaline Vivianite Wollastonite Wurtzite
Xanthoconite Zinkenite Zircon

147 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Anatase ()*	Andalusite ()*	Anglesite ()*
Anhydrite ()*	Ankerite ()*	Argentojarosite ()*	Argentopyrite ()*	Arsenopyrite ()*
Arsenuranylite ()*	Azurite ()*	Baryte ()*	Baumhauerite ()*	Bementite ()*
Beudantite ()*	Bismuth ()*	Bismuthinite ()*	Bornite ()*	Boulangerite ()*
Bournonite ()*	Braunite ()*	Brookite ()*	Calcite ()*	Carminite ()*
Carrollite ()*	Cassiterite ()*	Celsian ()*	Cerussite ()*	Cervantite ()*
Chalcocite ()*	Chalcopyrite ()*	Chevkinite-(Ce) ()*	Chromite ()*	Chrysocolla ()*
Cinnabar ()*	Copper ()*	Cornwallite ()*	Coulsonite ()*	Covellite ()*
Cubanite ()*	Cuprite ()*	Cymrite ()*	Delafossite ()*	Diamond ()*
Diaphorite ()*	Dickite ()*	Digenite ()*	Diopside ()*	Dolomite ()*
Dravite ()*	Enargite ()*	Epidote ()*	Erythrite ()*	Eudialyte ()*
Euxenite-(Y) ()*	Ferberite ()*	Ferrimolybdite ()*	Fluorapatite ()*	Fluorite ()*
Galena ()*	Gillespite ()*	Goethite ()*	Gold ()*	Graphite ()*
Gypsum ()*	Hastingsite ()*	Hausmannite ()*	Hedenbergite ()*	Hematite ()*
Hemimorphite ()*	Hercynite ()*	Hidalgoite ()*	Hopeite ()*	Hübnerite ()*
Hydrozincite ()*	Ilmenite ()*	Iridium ()*	Jamesonite ()*	Jarosite ()*
Johannsenite ()*	Kaolinite ()*	Kermesite ()*	Kyanite ()*	Magnesiochromite ()*
Magnetite ()*	Malachite ()*	Manganite ()*	Marcasite ()*	Massicot ()*
Mercury ()*	Metatorbernite ()*	Metazeunerite ()*	Mimetite ()*	Molybdenite ()*
Montmorillonite ()*	Muscovite ()*	Palladium ()*	Pentlandite ()*	Phlogopite ()*
Platinum ()*	Polybasite ()*	Powellite ()*	Proustite ()*	Pyrargyrite ()*
Pyrite ()*	Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*	Realgar ()*
Rhodochrosite ()*	Rhodonite ()*	Rutile ()*	Samarskite-(Y) ()*	Sauconite ()*
Scheelite ()*	Schultenite ()*	Scorodite ()*	Siderite ()*	Silver ()*
Smithsonite ()*	Sphalerite ()*	Spinel ()*	Stannite ()*	Stephanite ()*
Stibiconite ()*	Stibnite ()*	Stromeyerite ()*	Sulphur ()*	Talc ()*
Tennantite-(Fe) ()*	Tetradymite ()*	Tetrahedrite-(Zn) ()*	Thorianite ()*	Thorite ()*
Titanite ()*	Todorokite ()*	Topaz ()*	Tremolite ()*	Uraninite ()*
Uranophane-α ()*	Violarite ()*	Wollastonite ()*	Xanthoconite ()*	Xenotime-(Y) ()*
Zinkenite ()*	Zircon ()*

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			2	135458,135482	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	75	5	3	135398,135467,135594	3419
Anatase ()*	Not in a structural group	TiO₂			5	135243,135348,135379,135448,136007	2162
Andalusite ()*	Andalusite	Al₂SiO₅	75	5	2	135467,136132	1310
Anglesite ()*	Baryte	Pb(SO₄)			3	135465,135482,136005	2734
Anhydrite ()*	Not in a structural group	Ca(SO₄)	75	5	2	135220,135467	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			8	134988,135247,135528,135529,135612,135658,135726,135919	3092
Argentojarosite ()*	Alunite	AgFe³⁺₃(SO₄)₂(OH)₆	75	5	3	135458,135467,135482	58
Argentopyrite ()*	Cubanite	AgFe₂S₃			1	135244	53
Arsenopyrite ()*	Arsenopyrite	FeAsS			95	135010,135017,135018,135020,135027,135029,135031,135088,135101,135102,135103,135146,135181,135206,135212,135234,135244,135246,135247,135250,135254,135255,135256,135257,135261,135265,135270,135276,135277,135280,135362,135365,135366,135368,135379,135390,135393,135398,135403,135404,135406,135407,135409,135413,135419,135421,135423,135424,135437,135438,135444,135448,135449,135450,135451,135454,135457,135458,135502,135529,135568,135575,135591,135630,135645,135666,135683,135684,135696,135704,135714,135718,135726,135733,135757,135776,135787,135800,135803,135825,135833,135839,135868,135879,135883,135884,135885,135888,135891,135952,135959,135973,136017,136120,136131	9052
Arsenuranylite ()*	Phosphuranylite	Ca(UO₂)₄(AsO₄)₂(OH)₄·6H₂O			1	136074	7
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			25	135011,135030,135037,135044,135046,135157,135237,135458,135489,135494,135610,135614,135640,135641,135642,135654,135656,135661,135670,135671,135682,135712,135804,135819,136005	5509
Baryte ()*	Baryte	Ba(SO₄)	419	393	20	134988,135138,135143,135172,135176,135177,135220,135234,135262,135465,135489,135814,135848,135976,135981,135982,136017,136062,136063,136076	11547
Baumhauerite ()*	Sartorite	Pb₁₂As₁₆S₃₆			1	135465	15
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈			1	134988	173
Beudantite ()*	Alunite	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆	75	5	3	134999,135467,135482	413
Bismuth ()*	Arsenic	Bi			19	135457,135458,135560,135746,135755,135774,135779,135784,135788,135803,135804,135819,135830,135880,135887,135973,135986,136007,136022	1966
Bismuthinite ()*	Stibnite	Bi₂S₃			3	135448,135457,135458	1935
Bornite ()*	None	Cu₅FeS₄			18	134988,135482,135524,135568,135601,135610,135654,135655,135659,135661,135662,135664,135670,135682,135701,135804,135962,136068	5516
Boulangerite ()*	None	Pb₅Sb₄S₁₁			5	135248,135277,135421,135458,135482	843
Bournonite ()*	Bournonite	CuPbSbS₃			1	135885	1089
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)			1	135940	483
Brookite ()*	Brookite	TiO₂			2	135774,135880	700
Calcite ()*	Calcite	Ca(CO₃)	419	5	38	134988,134997,135140,135157,135189,135265,135295,135333,135371,135467,135482,135528,135529,135622,135658,135664,135671,135701,135733,135749,135750,135757,135758,135786,135787,135797,135804,135807,135810,135813,135814,135839,135864,135917,135944,135952,135995,136120	27770
Carminite ()*	Carminite	PbFe³⁺₂(AsO₄)₂(OH)₂			1	135482	178
Carrollite ()*	Spinel	CuCo₂S₄			1	134988	154
Cassiterite ()*	Rutile	SnO₂			104	135060,135067,135074,135076,135079,135080,135081,135085,135086,135090,135093,135114,135121,135127,135143,135146,135147,135149,135151,135152,135153,135156,135159,135161,135166,135171,135173,135178,135180,135202,135209,135243,135244,135251,135258,135259,135262,135265,135270,135346,135387,135390,135406,135418,135448,135449,135450,135535,135669,135671,135673,135674,135676,135696,135718,135774,135784,135809,135819,135835,135890,135894,135895,135904,135905,135906,135912,135913,135915,135916,135923,135926,135950,135977,135978,135984,135987,136003,136006,136007,136010,136011,136016,136017,136018,136019,136022,136027,136029,136033,136034,136038,136041,136042,136046,136048,136050,136054,136069,136087,136088,136119,136122,136124	5171
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)			1	134986	100
Cerussite ()*	Aragonite	Pb(CO₃)	419	393	9	134994,135157,135233,135482,135752,135814,135824,135944,136005	4979
Cervantite ()*	None	Sb³⁺Sb⁵⁺O₄			1	135725	352
Chalcocite ()*	None	Cu₂S	75	5	9	134988,135157,135457,135467,135531,135654,135656,135731,135804	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	390	5	163	134988,134996,135001,135003,135014,135015,135021,135102,135146,135157,135168,135181,135186,135212,135220,135231,135236,135237,135239,135247,135248,135253,135256,135277,135281,135305,135363,135364,135373,135398,135406,135423,135429,135432,135433,135448,135449,135450,135457,135458,135461,135463,135467,135475,135482,135489,135497,135506,135514,135523,135524,135531,135534,135535,135546,135547,135550,135568,135575,135578,135594,135605,135607,135610,135612,135618,135622,135629,135645,135646,135654,135655,135658,135659,135660,135661,135664,135678,135681,135683,135684,135687,135688,135696,135697,135704,135705,135711,135712,135714,135727,135730,135731,135749,135750,135758,135759,135761,135765,135768,135770,135771,135772,135775,135783,135793,135795,135800,135803,135804,135806,135808,135809,135811,135812,135816,135821,135824,135825,135826,135830,135833,135836,135838,135839,135851,135852,135868,135870,135871,135875,135876,135877,135878,135879,135882,135885,135887,135891,135897,135927,135928,135935,135946,135948,135959,135961,135962,135981,135995,136043,136063,136064,136068,136073,136099,136101,136102,136105,136106,136107,136140,136146	27198
Chevkinite-(Ce) ()*	Chevkinite	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂			1	135890	89
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	170	170	56	135138,135143,135149,135178,135180,135184,135188,135244,135251,135252,135257,135259,135260,135262,135264,135265,135266,135268,135270,135271,135293,135375,135376,135377,135379,135387,135427,135468,135469,135470,135471,135516,135639,135715,135716,135717,135722,135723,135724,135935,135936,135964,135981,136061,136066,136080,136110,136115,136117,136121,136122,136127,136129,136130,136131,136143	3902
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			2	135705,135804	3531
Cinnabar ()*	None	HgS			66	135067,135080,135163,135170,135172,135176,135244,135247,135251,135252,135256,135257,135258,135259,135260,135261,135262,135264,135265,135266,135267,135268,135270,135271,135272,135273,135274,135285,135327,135328,135373,135375,135376,135377,135380,135382,135387,135409,135424,135429,135431,135446,135451,135519,135535,135733,135764,135797,135807,135864,135879,135889,135976,135977,135978,135984,135987,136111,136116,136117,136118,136120,136122,136127,136130,136139	2600
Copper ()*	Copper	Cu	75	5	11	135177,135178,135467,135495,135560,135972,135976,135977,135978,135981,135986	3846
Cornwallite ()*	None	Cu₅(AsO₄)₂(OH)₄			1	135458	175
Coulsonite ()*	Spinel	Fe²⁺V³⁺₂O₄			2	135391,135392	16
Covellite ()*	Covellite	CuS	75	5	6	135239,135458,135467,135654,135655,136101	4165
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃			1	135768	802
Cuprite ()*	Not in a structural group	Cu₂O			2	135610,135660	2970
Cymrite ()*	None	Ba(Si,Al)₄(O,OH)₈·H₂O			1	134988	46
Delafossite ()*	None	Cu¹⁺Fe³⁺O₂			1	135458	144
Diamond ()*	Diamond	C			2	135063,135066	697
Diaphorite ()*	None	Ag₃Pb₂Sb₃S₈			1	135254	126
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			2	134988,135444	651
Digenite ()*	Digenite	Cu_1.8S			1	135731	1027
Diopside ()*	Pyroxene	CaMgSi₂O₆			8	135671,135793,135837,135868,135891,135946,135948,135949	4135
Dolomite ()*	None	CaMg(CO₃)₂	419	393	27	134988,135234,135246,135247,135256,135276,135373,135482,135529,135726,135733,135747,135748,135752,135753,135763,135781,135785,135790,135796,135799,135814,135820,135827,135828,135879,135883	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	135429	648
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄			1	135102	910
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	390	5	40	135217,135234,135340,135398,135467,135506,135514,135578,135594,135670,135671,135727,135730,135750,135758,135759,135786,135787,135793,135795,135803,135804,135806,135811,135812,135817,135818,135824,135836,135839,135852,135865,135868,135882,135883,135891,135939,135946,135948,135949	8173
Erythrite ()*	Vivianite	Co₃(AsO₄)₂·8H₂O			1	135157	814
Eudialyte ()*	Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂			2	135780,135890	182
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆			1	135181	414
Ferberite ()*	Columbite	Fe²⁺(WO₄)			2	135265,136060	551
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O			1	135462	345
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			3	135259,135270,135275	2740
Fluorite ()*	Fluorite	CaF₂			19	134988,135202,135213,135248,135253,135277,135482,135484,135646,135650,135669,135673,135676,135778,135782,135819,135943,135947,136140	9617
Galena ()*	Rocksalt	PbS	419	5	125	134988,134997,135006,135010,135011,135014,135015,135017,135018,135020,135021,135027,135032,135040,135076,135084,135101,135115,135146,135157,135176,135178,135204,135233,135234,135248,135253,135255,135275,135277,135280,135363,135457,135458,135465,135467,135477,135482,135486,135489,135494,135502,135506,135531,135535,135541,135545,135546,135575,135578,135605,135607,135612,135629,135645,135651,135652,135658,135659,135661,135662,135667,135678,135682,135683,135684,135689,135691,135713,135718,135730,135733,135740,135750,135752,135757,135758,135759,135768,135772,135785,135786,135787,135793,135801,135802,135806,135809,135812,135814,135816,135824,135826,135836,135837,135839,135847,135866,135868,135874,135876,135881,135882,135883,135888,135917,135944,135959,135961,135976,135977,135978,135981,135982,135986,135987,136005,136054,136060,136063,136064,136068,136073,136099,136102	24243
Gillespite ()*	Gillespite	BaFe²⁺Si₄O₁₀			1	134986	9
Goethite ()*	Diaspore	FeO(OH)	419	5	16	135023,135157,135189,135204,135306,135354,135372,135458,135465,135467,135729,135765,135814,136043,136060,136074	7437
Gold ()*	Copper	Au			493	134990,134991,134992,134999,135000,135004,135005,135007,135008,135009,135010,135013,135016,135017,135018,135019,135020,135022,135024,135025,135026,135027,135028,135029,135031,135032,135033,135035,135036,135045,135050,135051,135052,135053,135054,135056,135057,135058,135059,135060,135061,135062,135064,135065,135066,135067,135068,135069,135070,135071,135072,135073,135074,135076,135077,135078,135079,135080,135082,135083,135084,135085,135086,135087,135088,135089,135090,135093,135095,135096,135098,135099,135100,135101,135102,135103,135104,135105,135121,135123,135124,135125,135126,135127,135131,135137,135138,135140,135142,135143,135144,135145,135147,135149,135150,135151,135152,135153,135154,135156,135159,135161,135162,135163,135166,135167,135168,135169,135170,135171,135172,135173,135174,135175,135176,135177,135178,135179,135180,135181,135184,135186,135202,135209,135211,135212,135214,135215,135216,135217,135218,135219,135221,135222,135229,135231,135240,135241,135244,135246,135247,135249,135250,135251,135252,135256,135257,135258,135259,135262,135263,135264,135265,135266,135267,135268,135269,135270,135271,135272,135273,135275,135285,135336,135349,135365,135369,135373,135375,135376,135377,135379,135382,135383,135384,135385,135386,135387,135389,135391,135392,135394,135395,135396,135397,135399,135400,135401,135402,135404,135405,135408,135409,135410,135411,135412,135414,135415,135416,135417,135422,135423,135424,135425,135426,135427,135428,135429,135430,135431,135444,135446,135451,135452,135455,135456,135457,135458,135487,135488,135490,135491,135492,135493,135495,135496,135498,135499,135500,135501,135503,135505,135507,135508,135509,135510,135512,135513,135515,135516,135517,135518,135519,135520,135521,135524,135525,135526,135527,135528,135529,135530,135532,135533,135535,135536,135537,135538,135539,135540,135541,135542,135543,135548,135549,135550,135551,135552,135554,135555,135556,135557,135558,135559,135560,135561,135563,135564,135565,135566,135567,135569,135570,135571,135572,135573,135574,135575,135576,135577,135579,135580,135581,135583,135584,135585,135586,135587,135588,135589,135590,135591,135592,135593,135595,135596,135597,135598,135600,135602,135604,135606,135607,135608,135609,135611,135613,135615,135616,135617,135619,135620,135621,135623,135624,135625,135626,135627,135628,135630,135631,135632,135633,135634,135635,135636,135638,135703,135704,135725,135726,135728,135732,135733,135734,135736,135737,135738,135739,135743,135744,135746,135755,135760,135764,135767,135774,135777,135778,135779,135784,135788,135798,135804,135805,135808,135819,135830,135834,135880,135886,135887,135893,135894,135895,135898,135900,135902,135903,135904,135905,135906,135907,135908,135912,135913,135915,135916,135922,135923,135926,135950,135956,135958,135971,135972,135973,135974,135975,135976,135977,135978,135979,135981,135982,135983,135984,135986,135987,135996,135999,136000,136001,136002,136003,136004,136005,136006,136007,136008,136009,136010,136011,136012,136013,136015,136016,136017,136018,136019,136020,136021,136022,136023,136024,136025,136026,136027,136028,136029,136030,136031,136032,136033,136034,136035,136036,136037,136038,136039,136041,136042,136044,136045,136046,136047,136048,136049,136050,136051,136052,136053,136054,136055,136056,136058,136101,136105,136110,136111,136112,136113,136114,136115,136116,136117,136118,136119,136120,136121,136122,136123,136124,136125,136126,136127,136128,136130,136131,136133,136141,136148,136150	30554
Graphite ()*	None	C			1	135622	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	419	393	5	135220,135482,135622,135705,135814	6890
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂			1	135746	209
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄			1	135940	350
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆			3	134986,135758,135759	741
Hematite ()*	Corundum	Fe₂O₃	419	5	39	135017,135071,135138,135157,135189,135220,135241,135292,135322,135324,135345,135351,135353,135372,135467,135528,135535,135560,135659,135707,135718,135735,135776,135778,135779,135784,135814,135816,135845,135867,135939,135976,135981,135982,136007,136060,136074,136078,136147	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O			2	135477,135482	1689
Hercynite ()*	Spinel	Fe²⁺Al₂O₄			1	135149	407
Hidalgoite ()*	Alunite	PbAl₃(SO₄)(AsO₄)(OH)₆			1	135379	57
Hopeite ()*	Hopeite	Zn₃(PO₄)₂·4H₂O			1	135482	29
Hübnerite ()*	Columbite	Mn²⁺(WO₄)			1	136060	469
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	419	393	3	135482,135531,135814	1066
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			56	135071,135101,135138,135143,135149,135163,135170,135172,135176,135178,135209,135241,135244,135251,135257,135258,135259,135260,135264,135270,135271,135273,135275,135375,135376,135379,135389,135391,135392,135396,135404,135405,135414,135417,135418,135422,135424,135426,135427,135428,135429,135607,135718,135755,135768,135778,135779,135780,135784,135819,135880,135890,135976,135981,135982,136007	5433
Iridium ()*	Copper	Ir			2	135126,135387	162
Jamesonite ()*	None	Pb₄FeSb₆S₁₄			4	135253,135421,135444,135883	784
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	75	5	3	135465,135467,136060	2228
Johannsenite ()*	Pyroxene	CaMnSi₂O₆			3	135811,135824,135839	73
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	419	5	5	134988,135467,135814,136043,136060	5591
Kermesite ()*	None	Sb₂OS₂			3	135254,135378,135725	230
Kyanite ()*	Not in a structural group	Al₂OSiO₄			1	135886	1507
Magnesiochromite ()*	Spinel	MgCr₂O₄			7	135262,135266,135379,135404,135414,135436,135936	311
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	390	390	98	135014,135032,135101,135138,135143,135149,135157,135160,135163,135172,135178,135181,135189,135209,135213,135214,135221,135241,135244,135251,135252,135259,135260,135267,135268,135270,135273,135275,135375,135376,135377,135383,135387,135389,135391,135392,135396,135400,135405,135409,135414,135417,135422,135424,135426,135427,135428,135429,135455,135462,135510,135512,135514,135518,135523,135534,135535,135551,135555,135560,135568,135576,135639,135675,135678,135697,135718,135719,135727,135731,135734,135746,135755,135777,135778,135779,135783,135784,135788,135795,135803,135809,135816,135819,135830,135868,135870,135880,135891,135935,135976,135981,135982,136043,136060,136066,136068,136099	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			88	134994,135001,135003,135011,135023,135030,135037,135041,135042,135043,135044,135046,135055,135129,135157,135185,135233,135234,135236,135237,135457,135458,135477,135481,135489,135494,135502,135511,135522,135603,135610,135614,135640,135641,135642,135644,135646,135653,135654,135655,135656,135657,135658,135659,135661,135662,135663,135664,135665,135670,135671,135678,135682,135685,135687,135689,135690,135691,135694,135695,135701,135702,135706,135729,135772,135798,135804,135808,135817,135824,135838,135868,135886,135887,135932,135935,135962,135989,135992,136005,136007,136063,136064,136065,136068,136073,136101,136102	12537
Manganite ()*	Rutile	Mn³⁺O(OH)			1	135643	770
Marcasite ()*	Marcasite	FeS₂	419	393	6	135457,135696,135758,135814,135866,135869	5674
Massicot ()*	None	PbO			1	135482	202
Mercury ()*	None	Hg			1	135252	397
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O			1	136074	443
Metazeunerite ()*	None	Cu(UO₂)₂(AsO₄)₂·8H₂O			1	135637	182
Mimetite ()*	Apatite	Pb₅(AsO₄)₃Cl			1	135482	1107
Molybdenite ()*	Molybdenite	MoS₂	390	5	28	134998,135012,135027,135084,135230,135239,135247,135461,135462,135463,135467,135497,135626,135696,135718,135727,135731,135806,135865,135885,135891,135947,135973,136060,136104,136140,136146,136149	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	75	5	1	135467	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	419	5	29	134988,135012,135081,135146,135220,135253,135276,135277,135341,135356,135358,135360,135361,135362,135364,135433,135441,135445,135467,135484,135672,135718,135804,135806,135814,135866,135883,136060,136140	17380
Palladium ()*	Copper	Pd			1	135391	59
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			3	135768,135816,136115	1512
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	135891	2273
Platinum ()*	Copper	Pt			5	134990,135126,135387,135560,136026	485
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]			2	135252,135266	716
Powellite ()*	Scheelite	Ca(MoO₄)			2	135391,135392	494
Proustite ()*	None	Ag₃AsS₃			1	136005	733
Pyrargyrite ()*	None	Ag₃SbS₃			1	135883	1425
Pyrite ()*	Pyrite	FeS₂	419	5	232	134988,134994,135003,135014,135018,135020,135027,135032,135041,135042,135043,135044,135088,135101,135117,135138,135143,135146,135149,135157,135168,135170,135172,135173,135176,135178,135181,135186,135189,135201,135202,135206,135209,135212,135220,135226,135227,135229,135231,135232,135234,135236,135237,135238,135239,135247,135248,135253,135255,135258,135262,135276,135277,135280,135306,135308,135313,135315,135321,135339,135364,135366,135368,135374,135378,135387,135396,135404,135407,135409,135421,135422,135423,135424,135428,135433,135436,135437,135439,135446,135455,135457,135458,135461,135462,135463,135467,135475,135481,135482,135484,135486,135489,135502,135506,135510,135514,135523,135524,135528,135529,135531,135534,135535,135541,135545,135550,135560,135568,135576,135578,135591,135594,135605,135607,135612,135622,135629,135658,135666,135675,135677,135678,135679,135683,135684,135696,135698,135700,135703,135704,135706,135707,135713,135718,135727,135728,135729,135730,135734,135735,135749,135750,135757,135758,135768,135770,135771,135775,135782,135783,135786,135787,135800,135803,135804,135806,135808,135810,135811,135812,135814,135816,135817,135822,135823,135826,135836,135837,135839,135851,135853,135854,135856,135857,135858,135860,135861,135865,135866,135868,135869,135870,135873,135874,135875,135876,135877,135878,135881,135882,135883,135884,135885,135887,135891,135895,135899,135919,135928,135946,135947,135948,135949,135952,135956,135957,135959,135961,135976,135978,135981,135982,135992,135995,136005,136007,136043,136054,136060,136065,136073,136078,136101,136102,136105,136115,136120,136131,136140,136147,136149	39462
Pyrolusite ()*	Rutile	MnO₂			7	135157,135310,135335,135482,135643,135849,135968	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	75	5	55	134988,134999,135003,135041,135042,135043,135044,135102,135157,135168,135212,135305,135344,135435,135457,135462,135467,135474,135489,135497,135529,135546,135568,135645,135683,135696,135704,135750,135757,135758,135759,135775,135783,135793,135810,135811,135812,135815,135816,135817,135821,135823,135824,135826,135837,135838,135853,135870,135871,135882,135897,135928,135949,136138,136146	9056
Quartz ()*	Quartz	SiO₂	419	5	301	134986,134988,134994,134996,135001,135003,135005,135010,135012,135016,135018,135020,135023,135029,135030,135031,135034,135035,135045,135081,135101,135102,135103,135117,135124,135129,135146,135157,135185,135186,135197,135198,135199,135201,135202,135203,135206,135212,135220,135223,135224,135226,135227,135232,135234,135237,135238,135239,135243,135246,135247,135248,135250,135253,135254,135255,135256,135260,135261,135263,135265,135276,135277,135279,135280,135281,135283,135284,135286,135287,135288,135292,135296,135297,135300,135301,135303,135304,135308,135310,135311,135312,135315,135317,135318,135320,135321,135326,135327,135328,135329,135330,135331,135332,135333,135334,135338,135340,135341,135342,135347,135348,135353,135354,135355,135358,135362,135363,135364,135365,135366,135367,135368,135370,135371,135372,135373,135374,135378,135379,135380,135383,135387,135390,135398,135400,135403,135405,135406,135407,135409,135413,135416,135419,135420,135421,135422,135423,135424,135432,135433,135435,135437,135438,135439,135440,135442,135444,135448,135449,135450,135451,135454,135457,135458,135459,135461,135462,135463,135465,135467,135474,135477,135482,135484,135489,135497,135522,135526,135527,135528,135529,135546,135550,135554,135560,135575,135591,135601,135603,135610,135612,135622,135626,135651,135652,135654,135655,135658,135659,135660,135662,135664,135666,135667,135682,135685,135689,135694,135696,135698,135701,135702,135703,135704,135705,135706,135707,135718,135725,135726,135729,135731,135733,135746,135749,135750,135757,135758,135770,135771,135772,135775,135794,135795,135797,135800,135801,135804,135806,135808,135813,135814,135817,135818,135822,135823,135825,135833,135835,135838,135839,135847,135851,135852,135853,135854,135856,135857,135865,135867,135869,135875,135876,135877,135879,135881,135882,135883,135884,135885,135888,135902,135917,135919,135927,135931,135938,135939,135942,135944,135945,135947,135949,135952,135955,135956,135959,135961,135968,135973,135989,135990,135995,136017,136035,136043,136060,136064,136074,136085,136101,136102,136103,136106,136107,136120,136139,136140,136146,136149	61156
Realgar ()*	None	AsS			2	135259,135265	712
Rhodochrosite ()*	Calcite	Mn(CO₃)			1	135643	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			1	135618	969
Rutile ()*	Rutile	TiO₂			13	134999,135149,135189,135244,135247,135429,135535,135672,135688,135696,135746,136060,136075	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈			1	135391	353
Sauconite ()*	Clay Smectite-vermiculite	Na_0.3Zn₃(Si,Al)₄O₁₀(OH)₂·4H₂O	419	393	1	135814	56
Scheelite ()*	Scheelite	Ca(WO₄)			76	134998,135017,135032,135055,135067,135071,135074,135075,135076,135079,135080,135084,135092,135093,135101,135133,135149,135162,135170,135172,135244,135246,135251,135252,135255,135256,135257,135259,135265,135266,135268,135270,135272,135285,135328,135379,135380,135392,135404,135415,135425,135426,135457,135474,135497,135535,135560,135607,135746,135764,135777,135778,135779,135784,135793,135803,135804,135819,135880,135886,135887,135909,135975,135976,135981,135984,136033,136054,136069,136117,136119,136124,136127,136130,136138,136146	4894
Schultenite ()*	None	Pb(AsO₃OH)			1	135482	30
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			10	134999,135010,135018,135029,135031,135454,135457,135482,136118,136120	1153
Siderite ()*	Calcite	Fe(CO₃)	75	5	20	134988,135020,135157,135192,135201,135204,135276,135366,135409,135465,135467,135482,135612,135667,135672,135704,135757,135804,135826,135995	6417
Silver ()*	Copper	Ag			26	135056,135061,135064,135065,135077,135080,135086,135121,135131,135177,135209,135252,135268,135389,135428,135458,135512,135883,135886,135902,135978,135981,135983,135986,136003,136005	5186
Smithsonite ()*	Calcite	Zn(CO₃)	419	393	12	134994,135747,135748,135752,135753,135796,135799,135814,135820,135827,135828,135829	2473
Sphalerite ()*	Sphalerite	ZnS	419	5	106	134988,134994,134997,134999,135006,135011,135014,135015,135018,135020,135021,135039,135102,135146,135231,135234,135248,135256,135363,135406,135448,135449,135450,135458,135465,135467,135482,135486,135489,135502,135506,135531,135545,135568,135575,135578,135594,135605,135629,135645,135648,135650,135659,135660,135667,135670,135675,135678,135679,135683,135686,135688,135693,135696,135698,135700,135714,135719,135730,135736,135740,135749,135750,135757,135758,135759,135761,135762,135763,135768,135770,135775,135776,135786,135787,135793,135796,135801,135802,135806,135811,135812,135814,135821,135822,135823,135824,135826,135836,135837,135838,135839,135868,135873,135874,135882,135883,135885,135917,135946,135959,135961,136005,136064,136068,136149	21482
Spinel ()*	Spinel	MgAl₂O₄	170	170	2	135964,136129	1934
Stannite ()*	Stannite Sphalerite	Cu₂FeSnS₄			2	135458,135482	668
Stephanite ()*	None	Ag₅SbS₄			1	135409	586
Stibiconite ()*	Pyrochlore	Sb³⁺Sb⁵⁺₂O₆(OH)			4	135378,135420,135725,135797	446
Stibnite ()*	Stibnite	Sb₂S₃			73	135020,135027,135091,135146,135234,135247,135250,135254,135256,135258,135262,135270,135271,135276,135331,135365,135371,135372,135373,135378,135379,135380,135392,135394,135398,135404,135407,135409,135413,135420,135423,135424,135451,135457,135458,135490,135512,135515,135527,135529,135537,135549,135553,135554,135560,135621,135626,135704,135725,135726,135728,135733,135735,135746,135786,135797,135807,135883,135885,135962,135973,135980,135994,135997,136110,136117,136118,136120,136124,136126,136130,136133,136137	3418
Stromeyerite ()*	None	CuAgS			2	135248,135277	332
Sulphur ()*	Sulphur	S			2	135157,135981	2045
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			2	135902,136120	3337
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			4	134988,135015,135021,135030	1803
Tetradymite ()*	Tetradymite	Bi₂Te₂S			3	135140,135768,135981	510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	75	5	17	135231,135234,135246,135252,135253,135268,135449,135450,135458,135465,135467,135626,135658,135663,135685,135697,135701	5317
Thorianite ()*	Fluorite	ThO₂	91.8	79	11	135027,135097,135217,135225,135228,135535,135778,135779,135784,135819,136103	236
Thorite ()*	Zircon	Th(SiO₄)	91.8	79	9	135097,135225,135228,135780,135867,135890,136007,136019,136103	1006
Titanite ()*	Titanite	CaTi(SiO₄)O			10	135075,135172,135217,135225,135228,135535,135778,135779,135819,136007	4899
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O			1	135458	433
Topaz ()*	Topaz	Al₂SiO₄F₂	91.8	79	4	135097,135253,136060,136140	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			2	135671,135886	2562
Uraninite ()*	Fluorite	UO₂	91.8	79	2	135097,135184	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O			1	136074	890
Violarite ()*	Spinel	FeNi₂S₄			1	135768	380
Wollastonite ()*	Wollastonite	CaSiO₃			3	135946,135948,135949	1247
Xanthoconite ()*	Xanthoconite	Ag₃AsS₃			2	135391,135392	89
Xenotime-(Y) ()*	Zircon	Y(PO₄)	91.8	79	5	135076,135097,135173,135178,136074	939
Zinkenite ()*	Zinkenite	Pb₉Sb₂₂S₄₂			1	135421	228
Zircon ()*	Zircon	Zr(SiO₄)			31	135027,135075,135088,135149,135181,135189,135217,135225,135228,135244,135258,135259,135260,135262,135264,135265,135268,135270,135271,135373,135375,135376,135418,135462,135755,135778,135779,135784,135886,135890,136007	5251

20 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	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 ID
ree-00672	90.3	83.1	86.7 ± 3.6 Ma 85.4 ± 6.4 Ma (K-Ar, bio)							199761	Roy Creek; Little Champion Creek Prospect, Circle District, Yukon-Koyukuk Census Area, Alaska, USA	Mount Prindle (Roy Creek)	Orris and Grauch (2002)	USGSOFR02_189
ree-00806	91.8	79	86.7 ± 3.6 Ma 85.4 ± 6.4 Ma (K-Ar, bio)	K-Ar		biotite				199761	Roy Creek; Little Champion Creek Prospect, Circle District, Yukon-Koyukuk Census Area, Alaska, USA	Mount Prindle (Roy Creek)	Orris and Grauch (2002)	USGSOFR02_189
PorphCu-00242	75	5	75					Actinolite, Calcite, Chalcocite, Chalcopyrite, Epidote, Galena, Montmorillonite, Pyrite, Sphalerite	Cu	199759	Round Top Prospect (incl. Tim's Greisen Prospect), Kaiyuh District, Yukon-Koyukuk Census Area, Alaska, USA	Round Top	Singer et al. (2008)	USGSOFR2008_1155
podchrome-00939	170	170	Jurassic(?)						Cr	201406	Unnamed Occurrence (ARDF - NL003; Northwest Of Hill 1325), Kaiyuh District, Yukon-Koyukuk Census Area, Alaska, USA	Kaiyuh Hills 1	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00941	170	170	Jurassic(?)						Cr	201407	Unnamed Occurrence (ARDF - NL004; Northwest Of Hill 2120), Kaiyuh District, Yukon-Koyukuk Census Area, Alaska, USA	Kaiyuh Hills 9	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00940	170	170	Jurassic(?)						Cr	201408	Unnamed Occurrence (ARDF - NL005; Southwest Of Hill 2120), Kaiyuh District, Yukon-Koyukuk Census Area, Alaska, USA	Kaiyuh Hills 8	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00942	170	170	Jurassic(?)						Cr	201409	Unnamed Occurrence (ARDF - NL006; East Of Hill 2120), Kaiyuh District, Yukon-Koyukuk Census Area, Alaska, USA	Kaiyuh Hills 21	Moiser et al. (2012)	USGSSIR2012_5157
USGS-U-Th-Pb-01528_206_238	277	277	277	206_238		zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01528_207_206	353	353	353	207_206		zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01528_207_235	285	285	285	207_235		zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01529_206_238	276	276	276	206_238		zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01529_207_206	367	367	367	207_206		zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01529_207_235	285	285	285	207_235		zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01530_206_238	268	268	268	206_238	age of volcanism	zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01530_207_206	378	378	378	207_206	age of volcanism	zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01530_207_235	279	279	279	207_235	age of volcanism	zircon	Zircon			201954	Unnamed Occurrence (ARDF - WI139; West Of Upper Jones Creek), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
podchrome-00929	170	170	Permian-Jurassic (169-179 Ma 40Ar-39Ar)						Cr	201964	Unnamed Occurrences (ARDF - BT011; Near Caribou Mountain), Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA	Caribou Mountain	Moiser et al. (2012)	USGSSIR2012_5157
PorphCu-00244	390	390	390					Bornite, Chalcopyrite, Magnetite, Pyrite	Cu	202772	Venus Prospect, Koyukuk District, Yukon-Koyukuk Census Area, Alaska, USA	Venus	Singer et al. (2008)	USGSOFR2008_1155
sedexmvt-00234	419	393	Early Devonian		host rock age					199655	Reef Ridge Prospect, McGrath District, Yukon-Koyukuk Census Area, Alaska, USA	Reef Ridge	Taylor et al. (2009)	USGSOFR2009_1297
podchrome-00943	170	170	Jurassic(?)						Cr	199014	Mount Hurst Occurrence, Ophir District, Yukon-Koyukuk Census Area, Alaska, USA	Mt. Hurst 10	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL
FKM-130	Eudialyte Prospect, McGrath District, Yukon-Koyukuk Census Area, Alaska, USA	https://www.rockptx.com/fkm-126-to-fkm-150/#FKM-130

All locality data graciously provided by mindat.org

All age data...