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 Ag2 S 41.3 37.9 6 191244 ,191404 ,191482 ,191498 ,191677 ,191719 2793 Aikinite (*) Meneghinite CuPbBiS3 41.3 37.9 2 191387 ,191404 315 Alabandite (*) Rocksalt MnS 1 191652 312 Albite (*) Feldspar Na(AlSi3 O8 ) 1 191179 8803 Allophane (*) Allophane Al2 O3 (SiO2 )1.3-2.0 ·2.5-3.0H2 O 33 24 1 191210 470 Altaite (*) Rocksalt PbTe 41.3 37.9 6 191176 ,191387 ,191388 ,191404 ,191411 ,191482 489 Alunite (*) None KAl3 (SO4 )2 (OH)6 41.3 37.9 1 191404 966 Anglesite (*) Baryte Pb(SO4 ) 290 37.9 11 191251 ,191252 ,191253 ,191254 ,191255 ,191474 ,191475 ,191476 ,191477 ,191480 ,191630 2734 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 41.3 37.9 2 191348 ,191431 3092 Antigorite (*) Serpentine Clay Mg3 Si2 O5 (OH)4 1 191671 708 Aragonite (*) Aragonite Ca(CO3 ) 41.3 37.9 3 191338 ,191404 ,191435 3250 Arsenic (*) Arsenic As 290 23.8 0 379 Arsenopyrite (*) Arsenopyrite FeAsS 41.3 37.9 6 191334 ,191404 ,191467 ,191482 ,191495 ,191535 9052 Aurichalcite (*) None (Zn,Cu)5 (CO3 )2 (OH)6 290 37.9 7 191405 ,191410 ,191467 ,191495 ,191508 ,191630 ,191662 919 Autunite (*) Autunite Ca(UO2 )2 (PO4 )2 ·10-12H2 O 1 191702 1272 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 290 37.9 3 191471 ,191630 ,191662 5509 Baryte (*) Baryte Ba(SO4 ) 290 37.9 9 191421 ,191435 ,191461 ,191462 ,191463 ,191465 ,191469 ,191630 ,191662 11547 Bindheimite (*) Pyrochlore Pb2 Sb5+ 2 O7 290 39.9 1 191630 450 Birnessite (*) None (Na,Ca,K)0.6 (Mn4+ ,Mn3+ )2 O4 ·1.5H2 O 41.3 37.9 1 191435 178 Bismuthinite (*) Stibnite Bi2 S3 41.3 37.9 3 191482 ,191496 ,191498 1935 Bismutite (*) Bismutite Bi2 O2 (CO3 ) 41.3 37.9 2 191267 ,191496 716 Bornite (*) None Cu5 FeS4 33 24 1 191210 5516 Brannerite (*) Brannerite UTi2 O6 33 24 1 191210 248 Brochantite (*) Brochantite Cu4 (SO4 )(OH)6 290 39.9 1 191630 1633 Bromargyrite (*) Rocksalt AgBr 41.3 37.9 1 191404 227 Brookite (*) Brookite TiO2 33 24 1 191210 700 Calaverite (*) Melonite AuTe2 41.3 37.9 1 191479 361 Calcite (*) Calcite Ca(CO3 ) 290 37.9 9 191256 ,191366 ,191426 ,191431 ,191435 ,191465 ,191472 ,191630 ,191667 27770 Caledonite (*) Caledonite Cu2 Pb5 (SO4 )3 (CO3 )(OH)6 41.3 37.9 1 191498 359 Canfieldite (*) Argyrodite Ag8 SnS6 41.3 37.9 2 191251 ,191535 91 Cassiterite (*) Rutile SnO2 33 24 1 191210 5171 Cerussite (*) Aragonite Pb(CO3 ) 290 37.9 49 191251 ,191252 ,191253 ,191254 ,191255 ,191410 ,191417 ,191420 ,191421 ,191422 ,191423 ,191424 ,191426 ,191427 ,191430 ,191432 ,191435 ,191436 ,191443 ,191444 ,191445 ,191446 ,191447 ,191448 ,191449 ,191450 ,191451 ,191456 ,191459 ,191461 ,191465 ,191471 ,191474 ,191475 ,191476 ,191477 ,191480 ,191482 ,191496 ,191498 ,191505 ,191506 ,191507 ,191522 ,191535 ,191630 ,191639 ,191653 ,191662 4979 Chalcanthite (*) Chalcanthite Cu(SO4 )·5H2 O 41.3 37.9 3 191387 ,191404 ,191410 925 Chalcocite (*) None Cu2 S 41.3 24 8 191210 ,191257 ,191258 ,191404 ,191407 ,191410 ,191482 ,191567 5707 Chalcophanite (*) None ZnMn4+ 3 O7 ·3H2 O 41.3 37.9 4 191404 ,191522 ,191639 ,191652 197 Chalcopyrite (*) Chalcopyrite CuFeS2 290 24 20 191178 ,191200 ,191210 ,191233 ,191244 ,191334 ,191372 ,191387 ,191406 ,191407 ,191465 ,191467 ,191470 ,191482 ,191495 ,191499 ,191502 ,191630 ,191667 ,191677 27198 Chlorargyrite (*) Rocksalt AgCl 41.3 37.9 34 191251 ,191252 ,191253 ,191254 ,191255 ,191256 ,191410 ,191426 ,191443 ,191444 ,191445 ,191446 ,191447 ,191448 ,191449 ,191450 ,191451 ,191456 ,191459 ,191461 ,191462 ,191468 ,191474 ,191475 ,191476 ,191477 ,191480 ,191487 ,191490 ,191496 ,191506 ,191522 ,191523 ,191535 1382 Chrysocolla (*) Allophane (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 290 37.9 5 191410 ,191471 ,191506 ,191630 ,191690 3531 Cinnabar (*) None HgS 1 191171 2600 Coloradoite (*) Sphalerite HgTe 1 191176 169 Columbite-(Mn) (*) Columbite Mn2+ Nb2 O6 33 24 1 191210 289 Copper (*) Copper Cu 290 37.9 4 191410 ,191431 ,191471 ,191630 3846 Covellite (*) Covellite CuS 290 39.9 2 191630 ,191687 4165 Cryptomelane (*) Coronadite K(Mn4+ 7 Mn3+ )O16 41.3 37.9 1 191435 599 Cuprite (*) Not in a structural group Cu2 O 290 37.9 2 191471 ,191630 2970 Descloizite (*) Descloizite PbZn(VO4 )(OH) 41.3 37.9 6 191404 ,191410 ,191417 ,191426 ,191432 ,191435 378 Diaspore (*) Diaspore AlO(OH) 1 191711 481 Digenite (*) Digenite Cu1.8 S 41.3 37.9 1 191465 1027 Dolomite (*) None CaMg(CO3 )2 290 37.9 18 191256 ,191267 ,191324 ,191331 ,191420 ,191421 ,191424 ,191426 ,191430 ,191431 ,191432 ,191436 ,191461 ,191465 ,191542 ,191630 ,191639 ,191662 9895 Enargite (*) Enargite Wurtzite Cu3 AsS4 41.3 37.9 3 191297 ,191652 ,191687 910 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 41.3 37.9 1 191404 8173 Epsomite (*) Epsomite Mg(SO4 )·7H2 O 41.3 37.9 2 191482 ,191652 484 Euxenite-(Y) (*) Columbite Y(NbTi)O6 33 24 1 191210 414 Ferrimolybdite (*) None Fe3+ 2 (Mo6+ O4 )3 ·7H2 O 33 24 1 191208 345 Florencite-(Ce) (*) Alunite CeAl3 (PO4 )2 (OH)6 1 191710 73 Fluorite (*) Fluorite CaF2 33 24 1 191210 9617 Galena (*) Rocksalt PbS 290 24 83 191178 ,191181 ,191182 ,191200 ,191210 ,191233 ,191251 ,191252 ,191253 ,191254 ,191255 ,191256 ,191257 ,191258 ,191267 ,191299 ,191312 ,191331 ,191334 ,191350 ,191363 ,191364 ,191368 ,191372 ,191387 ,191388 ,191417 ,191420 ,191424 ,191426 ,191427 ,191430 ,191431 ,191432 ,191435 ,191436 ,191443 ,191444 ,191445 ,191446 ,191447 ,191448 ,191449 ,191450 ,191451 ,191454 ,191456 ,191458 ,191459 ,191465 ,191467 ,191470 ,191471 ,191472 ,191474 ,191475 ,191476 ,191477 ,191480 ,191482 ,191484 ,191485 ,191495 ,191496 ,191499 ,191502 ,191505 ,191507 ,191522 ,191554 ,191600 ,191630 ,191640 ,191643 ,191662 ,191667 ,191671 ,191673 ,191677 ,191685 ,191705 ,191719 ,191737 24243 Galenobismutite (*) Kobellite PbBi2 S4 41.3 37.9 2 191387 ,191482 192 Goethite (*) Diaspore FeO(OH) 290 37.9 2 191410 ,191630 7437 Gold (*) Copper Au 41.3 37.9 19 191215 ,191362 ,191366 ,191387 ,191388 ,191406 ,191410 ,191465 ,191471 ,191482 ,191496 ,191498 ,191499 ,191502 ,191505 ,191507 ,191523 ,191535 ,191643 30554 Goslarite (*) Epsomite Zn(SO4 )·7H2 O 41.3 37.9 2 191482 ,191652 188 Graphite (*) None C 290 37.9 2 191465 ,191630 2812 Grossular (*) Garnet Ca3 Al2 (SiO4 )3 1 191665 1544 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 41.3 24 2 191210 ,191435 6890 Hematite (*) Corundum Fe2 O3 41.3 37.9 15 191251 ,191252 ,191253 ,191254 ,191255 ,191267 ,191408 ,191424 ,191435 ,191474 ,191475 ,191476 ,191477 ,191480 ,191498 14640 Hemimorphite (*) Not in a structural group Zn4 (Si2 O7 )(OH)2 ·H2 O 290 37.9 23 191251 ,191252 ,191253 ,191254 ,191255 ,191338 ,191405 ,191410 ,191429 ,191431 ,191435 ,191460 ,191462 ,191474 ,191475 ,191476 ,191477 ,191480 ,191482 ,191535 ,191630 ,191639 ,191662 1689 Hessite (*) None Ag2 Te 41.3 37.9 5 191176 ,191387 ,191388 ,191404 ,191482 804 Hetaerolite (*) Spinel ZnMn3+ 2 O4 1 191652 73 Hollandite (*) Coronadite Ba(Mn4+ 6 Mn3+ 2 )O16 1 191652 243 Hübnerite (*) Columbite Mn2+ (WO4 ) 41.3 24 5 191181 ,191210 ,191404 ,191407 ,191411 469 Huntite (*) Not in a structural group CaMg3 (CO3 )4 290 39.9 1 191630 69 Hydrozincite (*) None Zn5 (CO3 )2 (OH)6 45.1 39.9 2 191652 ,191662 1066 Iodargyrite (*) Wurtzite AgI 41.3 37.9 4 191404 ,191426 ,191432 ,191445 180 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 41.3 24 2 191210 ,191404 2228 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 41.3 37.9 1 191404 5591 Kobellite (*) Kobellite Pb11 (Cu,Fe)2 (Bi,Sb)15 S35 41.3 37.9 1 191498 87 Koechlinite (*) None Bi2 MoO6 33 24 1 191210 39 Kostovite (*) None AuCuTe4 1 191176 21 Lanarkite (*) None Pb2 O(SO4 ) 1 191652 97 Lead (*) Copper Pb 1 191652 192 Leadhillite (*) None Pb4 (SO4 )(CO3 )2 (OH)2 2 191652 ,191653 265 Linarite (*) Linarite CuPb(SO4 )(OH)2 290 39.9 1 191630 987 Litharge (*) None PbO 41.3 37.9 1 191404 139 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 41.3 24 9 191210 ,191244 ,191312 ,191407 ,191408 ,191410 ,191470 ,191482 ,191491 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 290 37.9 5 191471 ,191506 ,191630 ,191662 ,191690 12537 Marcasite (*) Marcasite FeS2 41.3 37.9 1 191465 5674 Massicot (*) None PbO 290 37.9 1 191244 202 Matildite (*) None AgBiS2 41.3 37.9 4 191404 ,191465 ,191482 ,191640 252 Melanterite (*) Melanterite Fe(SO4 )·7H2 O 41.3 37.9 2 191244 ,191387 915 Metatorbernite (*) None Cu(UO2 )2 (PO4 )2 ·8H2 O 2 191690 ,191708 443 Mimetite (*) Apatite Pb5 (AsO4 )3 Cl 41.3 37.9 2 191404 ,191535 1107 Minium (*) Minium Pb2+ 2 Pb4+ O4 41.3 37.9 11 191251 ,191252 ,191253 ,191254 ,191255 ,191410 ,191474 ,191475 ,191476 ,191477 ,191480 247 Molybdenite (*) Molybdenite MoS2 28.4 24.8 4 191178 ,191210 ,191711 ,191712 5800 Molybdite (*) None MoO3 33 24 1 191210 140 Monazite-(Ce) (*) Monazite Ce(PO4 ) 33 24 1 191210 945 Montmorillonite (*) Clay Smectite-vermiculite (Na,Ca)0.3 (Al,Mg)2 Si4 O10 (OH)2 ·nH2 O 33 24 1 191210 1508 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 41.3 24 8 191210 ,191404 ,191691 ,191692 ,191705 ,191707 ,191708 ,191711 17380 Natroalunite (*) Alunite NaAl3 (SO4 )2 (OH)6 41.3 37.9 1 191404 128 Opal (*) Amorphous SiO2 ·n H2 O 41.3 37.9 2 191405 ,191410 2994 Orthoclase (*) Feldspar K(AlSi3 O8 ) 41.3 24 8 191208 ,191210 ,191212 ,191336 ,191408 ,191471 ,191496 ,191658 2349 Oxyplumboroméite (*) Pyrochlore Pb2 Sb2 O7 290 39.9 1 191630 33 Gersdorffite-Pa3 (*) Pyrite NiAsS 1 191233 767 Paragonite (*) Mica Clay NaAl2 (Si3 Al)O10 (OH)2 41.3 37.9 2 191404 ,191482 247 Uranophane-β (*) None Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 1 191180 144 Petzite (*) None Ag3 AuTe2 1 191176 409 Platinum (*) Copper Pt 2 191217 ,191218 485 Plumbojarosite (*) Alunite Pb0.5 Fe3+ 3 (SO4 )2 (OH)6 290 37.9 3 191430 ,191436 ,191630 477 Polybasite (*) Polybasite [Ag9 CuS4 ][(Ag,Cu)6 (Sb,As)2 S7 ] 2 191671 ,191719 716 Proustite (*) None Ag3 AsS3 41.3 37.9 1 191404 733 Pyrargyrite (*) None Ag3 SbS3 41.3 37.9 3 191404 ,191671 ,191719 1425 Pyrite (*) Pyrite FeS2 290 24 61 191176 ,191182 ,191200 ,191210 ,191244 ,191251 ,191253 ,191256 ,191297 ,191312 ,191334 ,191337 ,191363 ,191364 ,191387 ,191406 ,191407 ,191408 ,191409 ,191410 ,191411 ,191412 ,191413 ,191414 ,191415 ,191426 ,191431 ,191435 ,191459 ,191465 ,191467 ,191469 ,191471 ,191479 ,191482 ,191495 ,191499 ,191502 ,191505 ,191507 ,191522 ,191602 ,191630 ,191639 ,191640 ,191643 ,191648 ,191662 ,191667 ,191672 ,191673 ,191677 ,191685 ,191687 ,191691 ,191692 ,191695 ,191704 ,191705 ,191707 ,191737 39462 Pyrolusite (*) Rutile MnO2 41.3 37.9 13 191251 ,191252 ,191253 ,191254 ,191255 ,191426 ,191435 ,191457 ,191474 ,191475 ,191476 ,191477 ,191480 3106 Pyromorphite (*) Apatite Pb5 (PO4 )3 Cl 290 37.9 14 191251 ,191252 ,191253 ,191254 ,191255 ,191410 ,191426 ,191474 ,191475 ,191476 ,191477 ,191480 ,191535 ,191630 1725 Pyrophyllite (*) Clay Pyrophyllite Al2 Si4 O10 (OH)2 41.3 37.9 2 191498 ,191712 771 Pyrrhotite (*) Nickeline Fe7 S8 41.3 37.9 1 191465 9056 Quartz (*) Quartz SiO2 290 24 52 191178 ,191179 ,191181 ,191200 ,191210 ,191212 ,191256 ,191297 ,191334 ,191345 ,191366 ,191405 ,191406 ,191409 ,191410 ,191411 ,191413 ,191414 ,191415 ,191417 ,191420 ,191424 ,191426 ,191430 ,191431 ,191432 ,191435 ,191436 ,191465 ,191467 ,191470 ,191471 ,191482 ,191495 ,191499 ,191576 ,191630 ,191643 ,191672 ,191673 ,191677 ,191685 ,191691 ,191692 ,191695 ,191704 ,191705 ,191707 ,191711 ,191712 ,191721 ,191737 61156 Rectorite (*) Corrensite Clay (Na,Ca)Al4 (Si,Al)8 O20 (OH)4 ·2H2 O 1 191175 49 Rhodochrosite (*) Calcite Mn(CO3 ) 41.3 24 10 191210 ,191251 ,191256 ,191329 ,191459 ,191467 ,191513 ,191529 ,191535 ,191677 1711 Rhodonite (*) Rhodonite CaMn3 Mn(Si5 O15 ) 41.3 37.9 2 191329 ,191404 969 Rickardite (*) None Cu3-x Te2 1 191176 52 Romanèchite (*) None (Ba,H2 O)2 (Mn4+ ,Mn3+ )5 O10 1 191652 312 Rosasite (*) Malachite CuZn(CO3 )(OH)2 290 37.9 3 191404 ,191630 ,191662 454 Rutile (*) Rutile TiO2 33 24 2 191208 ,191210 5614 Sanidine (*) Feldspar K(AlSi3 O8 ) 1 191179 598 Sauconite (*) Clay Smectite-vermiculite Na0.3 Zn3 (Si,Al)4 O10 (OH)2 ·4H2 O 45.1 37.9 3 191436 ,191461 ,191662 56 Scheelite (*) Scheelite Ca(WO4 ) 41.3 37.9 12 191215 ,191404 ,191407 ,191409 ,191410 ,191411 ,191413 ,191414 ,191415 ,191435 ,191469 ,191509 4894 Selenium (*) Sulphur Se 41.3 37.9 1 191404 143 Siderite (*) Calcite Fe(CO3 ) 290 37.9 8 191404 ,191406 ,191411 ,191459 ,191465 ,191467 ,191482 ,191630 6417 Sillimanite (*) Not in a structural group Al2 SiO5 40 30 2 191711 ,191721 1516 Silver (*) Copper Ag 290 37.9 14 191251 ,191387 ,191431 ,191459 ,191470 ,191492 ,191495 ,191630 ,191662 ,191671 ,191677 ,191678 ,191704 ,191719 5186 Smithsonite (*) Calcite Zn(CO3 ) 290 37.9 9 191410 ,191431 ,191435 ,191460 ,191462 ,191482 ,191630 ,191639 ,191662 2473 Sphalerite (*) Sphalerite ZnS 290 24 48 191178 ,191182 ,191200 ,191210 ,191251 ,191252 ,191253 ,191254 ,191255 ,191256 ,191257 ,191258 ,191299 ,191324 ,191331 ,191334 ,191337 ,191348 ,191350 ,191368 ,191372 ,191406 ,191410 ,191411 ,191431 ,191435 ,191459 ,191465 ,191467 ,191470 ,191474 ,191475 ,191476 ,191477 ,191479 ,191480 ,191482 ,191495 ,191542 ,191600 ,191630 ,191662 ,191673 ,191677 ,191685 ,191692 ,191705 ,191719 21482 Stephanite (*) None Ag5 SbS4 41.3 37.9 3 191244 ,191257 ,191258 586 Stützite (*) None Ag5-x Te3 (x = 0.24-0.36) 1 191176 92 Sulphur (*) Sulphur S 41.3 37.9 1 191252 2045 Sylvanite (*) Melonite AgAuTe4 1 191176 337 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 40 30 1 191721 3337 Tellurium (*) None Te 41.3 37.9 2 191176 ,191264 190 Tennantite-(Fe) (*) Tetrahedrite Cu6 (Cu4 Fe2 )As4 S13 41.3 37.9 4 191330 ,191387 ,191499 ,191502 1803 Tenorite (*) None CuO 41.3 37.9 1 191525 1101 Tetrahedrite-(Zn) (*) Tetrahedrite Cu6 (Cu4 Zn2 )Sb4 S13 45.1 24 12 191210 ,191244 ,191324 ,191368 ,191404 ,191410 ,191542 ,191600 ,191662 ,191677 ,191686 ,191719 5317 Topaz (*) Topaz Al2 SiO4 F2 33 24 3 191179 ,191210 ,191712 1476 Torbernite (*) None Cu(UO2 )2 (PO4 )2 ·12H2 O 33 24 3 191210 ,191671 ,191690 1059 Turquoise (*) Turquoise CuAl6 (PO4 )4 (OH)8 ·4H2 O 41.3 37.9 4 191404 ,191690 ,191708 ,191719 484 Uraninite (*) Fluorite UO2 290 24 4 191180 ,191210 ,191244 ,191671 2718 Vanadinite (*) Apatite Pb5 (VO4 )3 Cl 290 37.9 1 191244 605 Vivianite (*) Vivianite Fe2+ 3 (PO4 )2 ·8H2 O 41.3 37.9 2 191408 ,191410 636 Wavellite (*) Wavellite Al3 (PO4 )2 (OH)3 ·5H2 O 2 191711 ,191712 374 Weissite (*) None Cu2-x Te 1 191176 31 Willemite (*) Phenakite Zn2 SiO4 290 39.9 1 191630 303 Wollastonite (*) Wollastonite CaSiO3 41.3 37.9 2 191404 ,191491 1247 Wulfenite (*) Scheelite PbMoO4 290 37.9 2 191456 ,191630 1655 Wurtzite (*) Wurtzite ZnS 41.3 37.9 2 191404 ,191465 372 Xenotime-(Y) (*) Zircon Y(PO4 ) 33 24 1 191210 939 Zincrosasite (*) Malachite (Zn,Cu)2 (CO3 )(OH)2 290 39.9 1 191630 28 Zoisite (*) Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 1 191711 1025
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 Mo-00103 33 24 Koechlinite, Molybdenite, Molybdite Mo 7745 Climax Mine (Climax Open Pit Mine), Climax, Climax District, Lake Co., Colorado, USA Climax Bookstrom (1989) 10.1016/0013-7952(89)90045-8 EG27_543 Edit Mo-00104 28.4 24.8 26.6±1.8 Re-Os molybdenite Molybdenite Koechlinite, Molybdenite, Molybdite Mo 7745 Climax Mine (Climax Open Pit Mine), Climax, Climax District, Lake Co., Colorado, USA Climax Suzuki et al. (1993) 10.1016/0016-7037(93)90021-N GCA57_1625 Edit NAVDAT-67171 34.4 32.3 33.3+1.1/-1 biotite 67171 115123 Cerlew Placer, Hope, Lake Co., Colorado, USA NAVDAT NAVDAT Edit sedznpb-00472 41.3 37.9 39.6±1.7 3652 Leadville, Leadville District, Lake Co., Colorado, USA Leadville Singer et al. (2009) USGSOFR2009-1252 Edit sedexmvt-00235 290 254 272±18 Ma (paleomagnetism) 5991 Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA Sherman Taylor et al. (2009) USGSOFR2009_1297 Edit sedznpb-00489 45.1 39.9 42.5±2.6 5991 Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA Sherman Singer et al. (2009) USGSOFR2009-1252 Edit NAVDAT-67112 33.7 23.8 28.75±4.95 67112 115287 Mountain Boy, Lincoln District (Lincoln Gulch District; Ruby District), Lake Co., Colorado, USA NAVDAT NAVDAT Edit NAVDAT-67113 33.7 23.8 28.75±4.95 67113 115287 Mountain Boy, Lincoln District (Lincoln Gulch District; Ruby District), Lake Co., Colorado, USA NAVDAT NAVDAT Edit NAVDAT-35628 40 30 35±5 35628 115392 Unknown Gold Occurrence (MRDS - 10016299), Twin Lakes District, Lake Co., Colorado, USA NAVDAT NAVDAT
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