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(AlSi3 O8 ) 28 131873 ,131878 ,131885 ,131888 ,131901 ,131933 ,131934 ,131945 ,131948 ,131992 ,132014 ,132015 ,132021 ,132050 ,132055 ,132060 ,132076 ,132084 ,132095 ,132096 ,132107 ,132112 ,132176 ,132177 ,132178 ,132193 ,132207 ,132214 8803 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 15 131873 ,131878 ,131892 ,131912 ,131934 ,131980 ,131983 ,132021 ,132043 ,132055 ,132076 ,132112 ,132173 ,132188 ,132214 3092 Aragonite (*) Aragonite Ca(CO3 ) 1 132043 3250 Arsenopyrite (*) Arsenopyrite FeAsS 65 131873 ,131878 ,131885 ,131888 ,131892 ,131895 ,131896 ,131897 ,131903 ,131908 ,131933 ,131934 ,131945 ,131948 ,131958 ,131959 ,131964 ,131967 ,131972 ,131976 ,131983 ,131984 ,131992 ,132004 ,132006 ,132015 ,132019 ,132020 ,132021 ,132022 ,132039 ,132043 ,132050 ,132055 ,132060 ,132063 ,132070 ,132076 ,132084 ,132095 ,132096 ,132097 ,132107 ,132112 ,132146 ,132159 ,132167 ,132176 ,132177 ,132178 ,132187 ,132188 ,132189 ,132193 ,132197 ,132198 ,132203 ,132206 ,132207 ,132211 ,132212 ,132214 ,132215 ,132216 ,132219 9052 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 6 131913 ,131919 ,131920 ,131921 ,131931 ,132057 5509 Baryte (*) Baryte Ba(SO4 ) 4 131878 ,132015 ,132043 ,132214 11547 Beryl (*) Beryl Be3 Al2 Si6 O18 763 732 19 132125 ,132126 ,132128 ,132129 ,132130 ,132132 ,132133 ,132134 ,132135 ,132136 ,132137 ,132138 ,132140 ,132141 ,132142 ,132143 ,132145 ,132148 ,132149 4286 Bismuth (*) Arsenic Bi 7 131891 ,131909 ,131910 ,131965 ,132026 ,132029 ,132030 1966 Bismuthinite (*) Stibnite Bi2 S3 3 131909 ,131910 ,132002 1935 Bornite (*) None Cu5 FeS4 4 131919 ,131920 ,131921 ,131931 5516 Boulangerite (*) None Pb5 Sb4 S11 3 132043 ,132055 ,132112 843 Calcite (*) Calcite Ca(CO3 ) 33 131878 ,131885 ,131895 ,131896 ,131918 ,131919 ,131921 ,131925 ,131931 ,131942 ,131948 ,131958 ,131970 ,132015 ,132021 ,132039 ,132043 ,132050 ,132051 ,132055 ,132060 ,132063 ,132084 ,132091 ,132096 ,132101 ,132107 ,132110 ,132123 ,132157 ,132193 ,132207 ,132214 27770 Cassiterite (*) Rutile SnO2 10 131878 ,131929 ,131941 ,131942 ,131943 ,131947 ,132007 ,132021 ,132056 ,132217 5171 Celsian (*) Feldspar Ba(Al2 Si2 O8 ) 1 131942 100 Chalcopyrite (*) Chalcopyrite CuFeS2 18 131878 ,131885 ,131912 ,131913 ,131920 ,131921 ,131926 ,131931 ,131974 ,132001 ,132002 ,132043 ,132057 ,132097 ,132196 ,132198 ,132211 ,132214 27198 Chloritoid (*) Chloritoid Fe2+ Al2 O(SiO4 )(OH)2 5 131878 ,131885 ,132015 ,132043 ,132214 376 Dolomite (*) None CaMg(CO3 )2 14 131874 ,131878 ,131885 ,131912 ,131915 ,131924 ,131942 ,131970 ,132005 ,132015 ,132043 ,132110 ,132123 ,132214 9895 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1 131878 8173 Fluorite (*) Fluorite CaF2 5 131878 ,131942 ,132043 ,132122 ,132214 9617 Galena (*) Rocksalt PbS 33 131873 ,131878 ,131892 ,131912 ,131913 ,131920 ,131921 ,131931 ,131934 ,131942 ,131945 ,131948 ,131976 ,131980 ,132001 ,132002 ,132015 ,132021 ,132029 ,132038 ,132041 ,132043 ,132055 ,132060 ,132084 ,132095 ,132112 ,132178 ,132191 ,132193 ,132206 ,132207 ,132214 24243 Goethite (*) Diaspore FeO(OH) 7 131874 ,131915 ,131924 ,132005 ,132043 ,132110 ,132123 7437 Gold (*) Copper Au 155 143 243 131870 ,131871 ,131872 ,131873 ,131875 ,131876 ,131877 ,131878 ,131879 ,131880 ,131881 ,131882 ,131883 ,131884 ,131885 ,131886 ,131887 ,131888 ,131889 ,131890 ,131891 ,131892 ,131893 ,131894 ,131895 ,131896 ,131897 ,131898 ,131899 ,131900 ,131901 ,131902 ,131903 ,131904 ,131905 ,131906 ,131907 ,131909 ,131910 ,131911 ,131913 ,131914 ,131916 ,131917 ,131918 ,131922 ,131923 ,131927 ,131928 ,131929 ,131930 ,131932 ,131933 ,131934 ,131935 ,131936 ,131937 ,131938 ,131939 ,131940 ,131941 ,131943 ,131944 ,131945 ,131946 ,131947 ,131948 ,131949 ,131950 ,131951 ,131952 ,131953 ,131954 ,131955 ,131956 ,131957 ,131958 ,131959 ,131960 ,131961 ,131963 ,131964 ,131965 ,131966 ,131967 ,131968 ,131971 ,131972 ,131973 ,131975 ,131976 ,131977 ,131978 ,131979 ,131980 ,131981 ,131982 ,131983 ,131984 ,131986 ,131988 ,131989 ,131990 ,131991 ,131992 ,131993 ,131994 ,131995 ,131996 ,131997 ,131998 ,131999 ,132000 ,132001 ,132002 ,132006 ,132007 ,132008 ,132009 ,132010 ,132011 ,132012 ,132013 ,132014 ,132017 ,132018 ,132019 ,132020 ,132021 ,132022 ,132023 ,132024 ,132026 ,132027 ,132028 ,132029 ,132030 ,132031 ,132032 ,132033 ,132034 ,132035 ,132036 ,132037 ,132039 ,132040 ,132041 ,132042 ,132043 ,132044 ,132045 ,132046 ,132049 ,132050 ,132052 ,132053 ,132054 ,132055 ,132056 ,132058 ,132059 ,132060 ,132061 ,132062 ,132065 ,132066 ,132067 ,132068 ,132069 ,132070 ,132071 ,132072 ,132073 ,132074 ,132075 ,132076 ,132077 ,132078 ,132079 ,132080 ,132081 ,132082 ,132083 ,132084 ,132085 ,132086 ,132087 ,132089 ,132090 ,132091 ,132092 ,132093 ,132094 ,132095 ,132096 ,132097 ,132098 ,132099 ,132100 ,132101 ,132102 ,132105 ,132106 ,132107 ,132108 ,132109 ,132111 ,132112 ,132113 ,132114 ,132115 ,132116 ,132117 ,132118 ,132119 ,132157 ,132172 ,132173 ,132177 ,132188 ,132190 ,132191 ,132192 ,132193 ,132194 ,132195 ,132196 ,132198 ,132199 ,132201 ,132202 ,132204 ,132205 ,132206 ,132208 ,132209 ,132210 ,132211 ,132212 ,132213 ,132216 ,132217 ,132218 30554 Graphite (*) None C 5 131885 ,131910 ,132127 ,132164 ,132165 2812 Hematite (*) Corundum Fe2 O3 24 131881 ,131888 ,131891 ,131915 ,131924 ,131953 ,131976 ,131978 ,131979 ,131989 ,132005 ,132019 ,132022 ,132026 ,132029 ,132030 ,132043 ,132050 ,132055 ,132084 ,132110 ,132112 ,132123 ,132184 14640 Hemimorphite (*) Not in a structural group Zn4 (Si2 O7 )(OH)2 ·H2 O 1 131942 1689 Ilmenite (*) Corundum Fe2+ Ti4+ O3 17 131878 ,131881 ,131884 ,131891 ,131908 ,131965 ,131967 ,132019 ,132020 ,132022 ,132043 ,132065 ,132082 ,132096 ,132097 ,132116 ,132204 5433 Jamesonite (*) None Pb4 FeSb6 S14 1 131934 784 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 2 131960 ,132215 2228 Kermesite (*) None Sb2 OS2 1 132215 230 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 29 131870 ,131878 ,131884 ,131891 ,131907 ,131908 ,131928 ,131965 ,131967 ,131978 ,131979 ,132006 ,132019 ,132020 ,132022 ,132026 ,132029 ,132030 ,132043 ,132054 ,132065 ,132082 ,132090 ,132097 ,132116 ,132204 ,132209 ,132211 ,132214 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 11 131913 ,131919 ,131920 ,131921 ,131926 ,131931 ,132057 ,132179 ,132180 ,132196 ,132200 12537 Marcasite (*) Marcasite FeS2 2 132199 ,132212 5674 Molybdenite (*) Molybdenite MoS2 1 131903 5800 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 8 131878 ,131885 ,131910 ,131924 ,131942 ,132015 ,132043 ,132214 17380 Phlogopite (*) Mica Clay KMg3 (AlSi3 O10 )(OH)2 1 132015 2273 Pyrite (*) Pyrite FeS2 89 131874 ,131878 ,131885 ,131888 ,131894 ,131897 ,131908 ,131910 ,131912 ,131913 ,131920 ,131921 ,131924 ,131926 ,131931 ,131933 ,131934 ,131942 ,131948 ,131958 ,131959 ,131960 ,131962 ,131963 ,131967 ,131974 ,131976 ,131978 ,131979 ,131980 ,131983 ,131989 ,131992 ,131999 ,132004 ,132006 ,132015 ,132019 ,132020 ,132021 ,132022 ,132026 ,132028 ,132039 ,132043 ,132048 ,132050 ,132055 ,132060 ,132063 ,132065 ,132074 ,132076 ,132084 ,132091 ,132095 ,132096 ,132097 ,132107 ,132110 ,132112 ,132116 ,132122 ,132123 ,132146 ,132159 ,132167 ,132171 ,132177 ,132178 ,132181 ,132182 ,132187 ,132188 ,132189 ,132192 ,132193 ,132196 ,132197 ,132198 ,132199 ,132203 ,132207 ,132211 ,132212 ,132214 ,132215 ,132216 ,132219 39462 Pyrolusite (*) Rutile MnO2 4 131924 ,131970 ,132005 ,132123 3106 Pyrrhotite (*) Nickeline Fe7 S8 15 131878 ,131894 ,131913 ,131934 ,132004 ,132122 ,132146 ,132159 ,132167 ,132187 ,132197 ,132198 ,132203 ,132214 ,132219 9056 Quartz (*) Quartz SiO2 763 732 128 131871 ,131873 ,131874 ,131878 ,131885 ,131888 ,131892 ,131895 ,131896 ,131897 ,131898 ,131903 ,131904 ,131907 ,131910 ,131912 ,131913 ,131919 ,131920 ,131921 ,131924 ,131925 ,131926 ,131931 ,131932 ,131933 ,131934 ,131937 ,131942 ,131945 ,131948 ,131955 ,131958 ,131959 ,131960 ,131963 ,131972 ,131974 ,131976 ,131980 ,131983 ,131984 ,131992 ,131999 ,132010 ,132014 ,132015 ,132021 ,132025 ,132028 ,132038 ,132039 ,132041 ,132043 ,132048 ,132050 ,132055 ,132057 ,132060 ,132063 ,132070 ,132076 ,132084 ,132087 ,132091 ,132095 ,132096 ,132107 ,132110 ,132112 ,132118 ,132120 ,132121 ,132122 ,132123 ,132125 ,132126 ,132127 ,132128 ,132129 ,132130 ,132132 ,132133 ,132134 ,132135 ,132136 ,132137 ,132138 ,132140 ,132141 ,132142 ,132143 ,132145 ,132148 ,132149 ,132157 ,132160 ,132164 ,132165 ,132166 ,132168 ,132173 ,132175 ,132176 ,132177 ,132178 ,132181 ,132182 ,132185 ,132188 ,132189 ,132191 ,132192 ,132193 ,132194 ,132196 ,132198 ,132199 ,132200 ,132202 ,132204 ,132206 ,132207 ,132212 ,132214 ,132215 ,132216 ,132219 61156 Rutile (*) Rutile TiO2 10 131878 ,131909 ,131942 ,131965 ,131970 ,132015 ,132026 ,132029 ,132043 ,132214 5614 Scheelite (*) Scheelite Ca(WO4 ) 65 131877 ,131879 ,131881 ,131884 ,131885 ,131889 ,131891 ,131892 ,131901 ,131903 ,131907 ,131911 ,131925 ,131928 ,131935 ,131936 ,131943 ,131948 ,131976 ,131978 ,131979 ,131984 ,131989 ,131992 ,132010 ,132013 ,132014 ,132019 ,132020 ,132021 ,132022 ,132026 ,132029 ,132030 ,132041 ,132053 ,132054 ,132055 ,132056 ,132060 ,132064 ,132070 ,132075 ,132078 ,132080 ,132082 ,132084 ,132095 ,132097 ,132103 ,132111 ,132116 ,132131 ,132139 ,132144 ,132147 ,132150 ,132156 ,132166 ,132177 ,132186 ,132189 ,132204 ,132206 ,132207 4894 Scorodite (*) None Fe3+ (AsO4 )·2H2 O 4 131897 ,132050 ,132206 ,132207 1153 Siderite (*) Calcite Fe(CO3 ) 3 131878 ,132043 ,132214 6417 Sillimanite (*) Not in a structural group Al2 SiO5 3 132127 ,132164 ,132165 1516 Smithsonite (*) Calcite Zn(CO3 ) 1 132015 2473 Sphalerite (*) Sphalerite ZnS 18 131873 ,131878 ,131885 ,131912 ,131924 ,131934 ,131942 ,132001 ,132002 ,132015 ,132029 ,132043 ,132055 ,132112 ,132171 ,132172 ,132193 ,132214 21482 Stibiconite (*) Pyrochlore Sb3+ Sb5+ 2 O6 (OH) 1 132215 446 Stibnite (*) Stibnite Sb2 S3 43 131873 ,131878 ,131891 ,131892 ,131894 ,131895 ,131896 ,131903 ,131912 ,131913 ,131917 ,131925 ,131934 ,131936 ,131945 ,131946 ,131958 ,131959 ,131972 ,131978 ,131980 ,131994 ,132010 ,132016 ,132021 ,132028 ,132029 ,132038 ,132048 ,132055 ,132060 ,132076 ,132101 ,132104 ,132157 ,132178 ,132188 ,132191 ,132202 ,132206 ,132207 ,132215 ,132216 3418 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 2 132015 ,132028 3337 Tennantite-(Fe) (*) Tetrahedrite Cu6 (Cu4 Fe2 )As4 S13 1 131878 1803 Tetrahedrite-(Zn) (*) Tetrahedrite Cu6 (Cu4 Zn2 )Sb4 S13 2 131878 ,132214 5317 Titanite (*) Titanite CaTi(SiO4 )O 1 131885 4899 Zircon (*) Zircon Zr(SiO4 ) 4 131878 ,131942 ,132015 ,132214 5251
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 Edit USGS-Rb-Sr-05836 763 763 763 Rb-Sr whole rock 201424 Unnamed Occurrence (ARDF - NM022; Near Head Of Windy Creek), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-05837 735 735 735 Rb-Sr age of metamorphic crystallization whole rock 201424 Unnamed Occurrence (ARDF - NM022; Near Head Of Windy Creek), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-05830 750 750 75 Rb-Sr whole rock 201426 Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-05831 735 735 735 Rb-Sr age of metamorphic crystallization whole rock 201426 Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-05832 732 732 732 Rb-Sr whole rock 201426 Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-05833 735 735 735 Rb-Sr age of metamorphic crystallization whole rock 201426 Unnamed Occurrence (ARDF - NM024; In The Headwaters Of West Fork Grand Central River), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06608 155 143 149±6 Rb-Sr age of metamorphic crystallization whole rock 202344 Unnamed Prospect (ARDF - NM245; Lode In Dexter Creek), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06609 155 143 149±6 Rb-Sr age of metamorphic crystallization muscovite Muscovite 202344 Unnamed Prospect (ARDF - NM245; Lode In Dexter Creek), Nome District, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr
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