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:
Fairbanks North Star Borough, Alaska, USA

Oldest recorded age at locality: 93.4
Youngest recorded age at locality: 91.5

mindat Locality ID: 23476
mindat URL: http://www.mindat.org/loc-23476.html

Tectonic Settings:

Total number of sublocalities beneath "Fairbanks North Star Borough, Alaska, USA": 358
Total number of bottom-level sublocalities: 352

Number of Child Localities: 13
Child Localities:
Billy Sunday Mine
Blue Bonanza Mine
California Mine
Chena River
Chicken
Circle District
Fairbanks
Fairbanks District
Fort Knox Gold Mine
Grant Mine
Hope Creek Meteorite
Irishman Mine
Tok

Latitude: 64°45'36"N
Longitude: 145°36'46"W
Decimal Degree (lat, lon): 64.76,-145.61277777778

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.

Amphibole	Apatite	Aragonite	Arsenic	Arsenopyrite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper
Corundum	Covellite	Diaspore	Epidote	Feldspar	Fluorite	Kaolinite	Malachite	Marcasite	Mica
Molybdenite	Nickeline	None	Not in a structural group	Pentlandite	Pyrite	Pyrochlore	Pyroxene	Quartz	Rhodonite
Rocksalt	Rutile	Scheelite	Sphalerite	Spinel	Stibnite	Stilbite	Tetradymite	Tetrahedrite	Vesuvianite
Zinkenite

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 Be Bi C Ca Cl Cr Cu F Fe H K Mg Mn Mo Na Ni O P Pb S Sb Si Sn Te Ti W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Apatite Aragonite Arsenic Arsenopyrite Calcite Chalcopyrite Clay Clinozoisite Copper
Corundum Covellite Diaspore Epidote Feldspar Fluorite Kaolinite Malachite Marcasite Mica
Molybdenite Nickeline None Not in a structural group Pentlandite Pyrite Pyrochlore Pyroxene Quartz Rhodonite
Rocksalt Rutile Scheelite Sphalerite Spinel Stibnite Stilbite Tetradymite Tetrahedrite Vesuvianite
Zinkenite

58 IMA Minerals at location:

Albite ()*	Ankerite ()*	Arsenopyrite ()*	Azurite ()*	Barroisite ()*
Bismuth ()*	Bismuthinite ()*	Bornite ()*	Boulangerite ()*	Calcite ()*
Cassiterite ()*	Cerussite ()*	Cervantite ()*	Chalcocite ()*	Chalcopyrite ()*
Chromite ()*	Clinozoisite ()*	Covellite ()*	Diopside ()*	Fluorite ()*
Galena ()*	Goethite ()*	Gold ()*	Ilmenite ()*	Jamesonite ()*
Kaolinite ()*	Laumontite ()*	Magnesite ()*	Magnetite ()*	Malachite ()*
Maldonite ()*	Marcasite ()*	Meliphanite ()*	Microcline ()*	Molybdenite ()*
Muscovite ()*	Orthoclase ()*	Pentlandite ()*	Powellite ()*	Pyrite ()*
Pyromorphite ()*	Pyrrhotite ()*	Quartz ()*	Rhodonite ()*	Rutile ()*
Scheelite ()*	Scorodite ()*	Siderite ()*	Silver ()*	Sphalerite ()*
Stellerite ()*	Stibiconite ()*	Stibnite ()*	Tetradymite ()*	Tetrahedrite-(Zn) ()*
Vesuvianite ()*	Yugawaralite ()*	Zinkenite ()*

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
Albite ()*	Feldspar	Na(AlSi₃O₈)	93.4	91.5	1	129912	8803
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	129648	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	93.4	91.5	71	129559,129560,129561,129577,129590,129592,129593,129599,129603,129607,129608,129612,129622,129623,129625,129627,129628,129630,129639,129643,129644,129647,129648,129649,129653,129661,129664,129668,129685,129700,129704,129706,129710,129714,129719,129722,129723,129726,129729,129736,129747,129749,129751,129753,129758,129769,129770,129775,129796,129799,129800,129803,129811,129817,129818,129825,129835,129842,129856,129858,129862,129874,129881,129890,129892,129902,129905,129910,129912,129913,129915	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			2	129808,129877	5509
Barroisite ()*	Amphibole	(NaCa)(Mg₃Al₂)(Si₇Al)O₂₂(OH)₂			1	129580	49
Bismuth ()*	Arsenic	Bi	93.4	91.5	7	129608,129617,129690,129773,129788,129889,129912	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	93.4	91.5	4	129561,129649,129889,129912	1935
Bornite ()*	None	Cu₅FeS₄			1	129877	5516
Boulangerite ()*	None	Pb₅Sb₄S₁₁			5	129625,129627,129649,129653,129858	843
Calcite ()*	Calcite	Ca(CO₃)	93.4	91.5	7	129565,129649,129689,129839,129849,129856,129912	27770
Cassiterite ()*	Rutile	SnO₂	93.4	91.5	24	129579,129592,129597,129598,129607,129617,129620,129626,129640,129650,129670,129673,129675,129696,129714,129740,129789,129790,129793,129796,129837,129870,129901,129912	5171
Cerussite ()*	Aragonite	Pb(CO₃)			1	129830	4979
Cervantite ()*	None	Sb³⁺Sb⁵⁺O₄			3	129559,129618,129751	352
Chalcocite ()*	None	Cu₂S			2	129718,129877	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			17	129561,129577,129592,129607,129622,129627,129653,129714,129765,129769,129770,129796,129808,129830,129858,129874,129881	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	129808	3902
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	129839	1025
Covellite ()*	Covellite	CuS			2	129627,129796	4165
Diopside ()*	Pyroxene	CaMgSi₂O₆			2	129839,129909	4135
Fluorite ()*	Fluorite	CaF₂			2	129577,129839	9617
Galena ()*	Rocksalt	PbS			48	129559,129560,129561,129577,129590,129592,129593,129604,129607,129608,129610,129612,129618,129622,129627,129629,129653,129658,129668,129686,129689,129692,129710,129718,129720,129722,129726,129753,129757,129758,129771,129780,129800,129818,129825,129830,129835,129845,129853,129856,129858,129878,129892,129896,129898,129905,129913,129915	24243
Goethite ()*	Diaspore	FeO(OH)			3	129565,129913,129915	7437
Gold ()*	Copper	Au	93.4	91.5	255	129559,129560,129561,129565,129568,129570,129571,129572,129578,129583,129584,129585,129586,129587,129588,129589,129590,129591,129592,129593,129594,129595,129597,129598,129599,129600,129601,129603,129605,129606,129607,129608,129609,129611,129612,129613,129614,129615,129616,129617,129618,129619,129620,129621,129622,129624,129626,129627,129628,129629,129632,129634,129637,129638,129640,129642,129643,129644,129645,129646,129647,129648,129649,129650,129651,129652,129654,129656,129657,129658,129659,129661,129662,129663,129664,129665,129666,129667,129668,129669,129670,129671,129672,129673,129674,129675,129677,129678,129680,129681,129682,129685,129686,129689,129690,129692,129693,129694,129695,129696,129697,129699,129701,129702,129703,129704,129706,129707,129710,129711,129712,129713,129714,129715,129716,129717,129718,129719,129720,129721,129722,129724,129726,129730,129731,129732,129733,129734,129735,129736,129738,129739,129740,129741,129742,129743,129744,129749,129751,129752,129754,129755,129757,129758,129759,129760,129762,129764,129766,129769,129770,129773,129774,129775,129776,129777,129778,129779,129780,129782,129783,129784,129785,129786,129788,129789,129790,129791,129792,129793,129794,129795,129796,129797,129798,129799,129800,129801,129802,129803,129804,129805,129806,129807,129809,129810,129811,129812,129813,129816,129817,129818,129819,129820,129821,129824,129825,129826,129827,129828,129829,129830,129831,129832,129833,129835,129836,129837,129838,129841,129842,129843,129844,129846,129847,129851,129856,129857,129859,129860,129861,129862,129864,129865,129866,129867,129869,129870,129871,129879,129880,129883,129884,129885,129887,129888,129889,129890,129891,129893,129894,129898,129899,129900,129901,129902,129904,129905,129906,129907,129910,129911,129912,129913,129915	30554
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	129756	5433
Jamesonite ()*	None	Pb₄FeSb₆S₁₄			12	129561,129610,129625,129627,129658,129704,129726,129749,129753,129796,129818,129830	784
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	129714	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	129564	1271
Magnesite ()*	Calcite	Mg(CO₃)			1	129808	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			2	129756,129808	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			4	129577,129720,129808,129877	12537
Maldonite ()*	None	Au₂Bi			1	129649	88
Marcasite ()*	Marcasite	FeS₂	93.4	91.5	2	129577,129912	5674
Meliphanite ()*	None	Ca₄(Na,Ca)₄Be₄AlSi₇O₂₄(F,O)₄			1	129849	44
Microcline ()*	Feldspar	K(AlSi₃O₈)	93.4	91.5	1	129912	4924
Molybdenite ()*	Molybdenite	MoS₂	93.4	91.5	6	129577,129720,129830,129839,129849,129912	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	93.4	91.5	11	129593,129648,129649,129700,129714,129723,129856,129902,129912,129913,129915	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	93.4	91.5	1	129912	2349
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			1	129649	1512
Powellite ()*	Scheelite	Ca(MoO₄)			1	129830	494
Pyrite ()*	Pyrite	FeS₂	93.4	91.5	52	129560,129561,129577,129592,129593,129603,129604,129607,129608,129610,129612,129622,129625,129627,129639,129647,129648,129649,129653,129661,129671,129685,129700,129704,129710,129714,129718,129719,129722,129723,129726,129729,129769,129770,129799,129800,129810,129815,129818,129827,129835,129842,129853,129856,129858,129862,129874,129881,129896,129905,129912,129913	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl			1	129610	1725
Pyrrhotite ()*	Nickeline	Fe₇S₈	93.4	91.5	9	129577,129607,129608,129649,129653,129714,129720,129858,129912	9056
Quartz ()*	Quartz	SiO₂	93.4	91.5	35	129559,129560,129563,129564,129565,129569,129593,129608,129627,129630,129648,129653,129714,129745,129751,129758,129773,129796,129817,129818,129825,129827,129839,129849,129852,129858,129874,129875,129876,129877,129878,129912,129913,129915,129916	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			1	129916	969
Rutile ()*	Rutile	TiO₂			2	129577,129720	5614
Scheelite ()*	Scheelite	Ca(WO₄)	93.4	91.5	52	129567,129571,129577,129589,129592,129598,129602,129607,129617,129618,129620,129626,129627,129633,129635,129650,129655,129665,129670,129673,129675,129681,129684,129690,129696,129714,129720,129729,129740,129745,129756,129757,129773,129781,129788,129800,129813,129823,129837,129839,129849,129857,129862,129869,129889,129897,129901,129906,129909,129912,129913,129915	4894
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			4	129618,129751,129825,129851	1153
Siderite ()*	Calcite	Fe(CO₃)			1	129827	6417
Silver ()*	Copper	Ag			5	129627,129668,129797,129820,129887	5186
Sphalerite ()*	Sphalerite	ZnS			20	129559,129577,129603,129612,129622,129627,129653,129661,129700,129710,129749,129758,129769,129770,129800,129830,129856,129858,129878,129892	21482
Stellerite ()*	Stilbite	Ca₄(Si₂₈Al₈)O₇₂·28H₂O			1	129564	189
Stibiconite ()*	Pyrochlore	Sb³⁺Sb⁵⁺₂O₆(OH)			1	129825	446
Stibnite ()*	Stibnite	Sb₂S₃			103	129559,129560,129561,129569,129577,129579,129590,129591,129592,129593,129599,129603,129604,129607,129608,129612,129618,129620,129621,129622,129623,129624,129626,129627,129628,129637,129639,129641,129643,129647,129648,129649,129652,129658,129661,129665,129668,129670,129675,129685,129689,129698,129700,129704,129710,129713,129718,129719,129720,129726,129728,129729,129731,129736,129747,129749,129751,129757,129758,129761,129762,129764,129769,129770,129771,129775,129780,129782,129791,129792,129794,129796,129798,129799,129803,129810,129811,129814,129817,129818,129820,129825,129830,129834,129835,129837,129842,129843,129848,129849,129852,129853,129854,129862,129882,129891,129892,129898,129901,129905,129906,129913,129915	3418
Tetradymite ()*	Tetradymite	Bi₂Te₂S	93.4	91.5	2	129649,129912	510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			11	129560,129623,129627,129649,129700,129718,129796,129830,129835,129856,129892	5317
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀			1	129839	1395
Yugawaralite ()*	None	Ca(Si₆Al₂)O₁₆·4H₂O			2	129563,129564	33
Zinkenite ()*	Zinkenite	Pb₉Sb₂₂S₄₂			1	129704	228

6 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference DOI	Reference ID
Mo-00296	93.4	92.6	93.0±0.4	Re-Os	molybdenite	FK-1-1	Molybdenite	Mo	107448	Fort Knox Gold Mine, Fairbanks North Star Borough, Alaska, USA	Selby et al. (2002)	10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2	G30_791
Mo-00297	92.7	91.7	92.2±0.5	Re-Os	molybdenite	FK-1-2	Molybdenite	Mo	107448	Fort Knox Gold Mine, Fairbanks North Star Borough, Alaska, USA	Selby et al. (2002)	10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2	G30_791
Mo-00298	93.3	92.5	92.9±0.4	Re-Os	molybdenite	FK-2-1	Molybdenite	Mo	107448	Fort Knox Gold Mine, Fairbanks North Star Borough, Alaska, USA	Selby et al. (2002)	10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2	G30_791
Mo-00299	93	92.2	92.6±0.4	Re-Os	molybdenite	FK-2-2	Molybdenite	Mo	107448	Fort Knox Gold Mine, Fairbanks North Star Borough, Alaska, USA	Selby et al. (2002)	10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2	G30_791
Mo-00300	92.1	91.5	91.8±0.3	Re-Os	molybdenite	FK-2-3	Molybdenite	Mo	107448	Fort Knox Gold Mine, Fairbanks North Star Borough, Alaska, USA	Selby et al. (2002)	10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2	G30_791
Mo-00301	93.3	92.5	92.9±0.4	Re-Os	molybdenite	FK-3	Molybdenite	Mo	107448	Fort Knox Gold Mine, Fairbanks North Star Borough, Alaska, USA	Selby et al. (2002)	10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2	G30_791

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...