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 1 284407 2793 Actinolite (*) Amphibole Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2 5 284392 ,284434 ,284515 ,284520 ,284570 3419 Albite (*) Feldspar Na(AlSi3 O8 ) 3 284391 ,284504 ,284518 8803 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 1 284529 2353 Anatase (*) Not in a structural group TiO2 2 284518 ,284575 2162 Andradite (*) Garnet Ca3 Fe3+ 2 (SiO4 )3 4 284515 ,284516 ,284553 ,284570 1534 Anglesite (*) Baryte Pb(SO4 ) 1 284513 2734 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 25 25 6 284439 ,284442 ,284462 ,284495 ,284525 ,284560 3092 Anthophyllite (*) Amphibole Mg2 Mg5 Si8 O22 (OH)2 2 284435 ,284582 718 Aragonite (*) Aragonite Ca(CO3 ) 1 284439 3250 Arfvedsonite (*) Amphibole NaNa2 (Fe2+ 4 Fe3+ )Si8 O22 (OH)2 1 284522 295 Armenite (*) Milarite BaCa2 (Al6 Si9 )O30 ·2H2 O 1 284502 23 Arsenic (*) Arsenic As 1 284535 379 Arsenolite (*) Arsenolite As2 O3 1 284465 231 Arsenopyrite (*) Arsenopyrite FeAsS 25 25 15 284441 ,284462 ,284465 ,284477 ,284481 ,284482 ,284495 ,284505 ,284508 ,284509 ,284513 ,284542 ,284560 ,284566 ,284582 9052 Aurichalcite (*) None (Zn,Cu)5 (CO3 )2 (OH)6 1 284513 919 Autunite (*) Autunite Ca(UO2 )2 (PO4 )2 ·10-12H2 O 1 284526 1272 Axinite-(Fe) (*) Axinite Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2 1 284516 260 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 25 18 2 284531 ,284560 5509 Baryte (*) Baryte Ba(SO4 ) 25 25 6 284437 ,284439 ,284442 ,284443 ,284445 ,284560 11547 Beudantite (*) Alunite PbFe3+ 3 (AsO4 )(SO4 )(OH)6 1 284513 413 Böhmite (*) Lepidocrocite AlO(OH) 3 284534 ,284536 ,284537 195 Bornite (*) None Cu5 FeS4 18 18 8 284395 ,284407 ,284423 ,284462 ,284470 ,284531 ,284567 ,284582 5516 Bournonite (*) Bournonite CuPbSbS3 1 284482 1089 Brannerite (*) Brannerite UTi2 O6 1 284582 248 Brochantite (*) Brochantite Cu4 (SO4 )(OH)6 18 18 1 284531 1633 Brookite (*) Brookite TiO2 1 284518 700 Calcite (*) Calcite Ca(CO3 ) 20 284410 ,284412 ,284416 ,284420 ,284421 ,284430 ,284437 ,284439 ,284442 ,284443 ,284449 ,284451 ,284455 ,284465 ,284484 ,284495 ,284498 ,284518 ,284540 ,284544 27770 Cassiterite (*) Rutile SnO2 1 284554 5171 Cerussite (*) Aragonite Pb(CO3 ) 1 284513 4979 Cervantite (*) None Sb3+ Sb5+ O4 1 284484 352 Chalcocite (*) None Cu2 S 25 25 2 284481 ,284560 5707 Chalcopyrite (*) Chalcopyrite CuFeS2 25 18 37 284389 ,284395 ,284404 ,284407 ,284408 ,284414 ,284423 ,284437 ,284439 ,284441 ,284442 ,284461 ,284462 ,284465 ,284469 ,284470 ,284477 ,284481 ,284482 ,284488 ,284493 ,284495 ,284511 ,284513 ,284514 ,284518 ,284520 ,284521 ,284531 ,284542 ,284560 ,284562 ,284563 ,284566 ,284567 ,284569 ,284582 27198 Chalcostibite (*) Chalcostibite CuSbS2 1 284495 162 Chrysocolla (*) Allophane (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 1 284520 3531 Cinnabar (*) None HgS 2 284429 ,284430 2600 Clinochlore (*) Chlorite Clay Mg5 Al(AlSi3 O10 )(OH)8 5 284434 ,284438 ,284518 ,284519 ,284520 1756 Clinozoisite (*) Clinozoisite Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 1 284410 1025 Copper (*) Copper Cu 2 284470 ,284544 3846 Cordierite (*) Beryl Mg2 Al4 Si5 O18 1 284546 1008 Cosalite (*) None Pb2 Bi2 S5 25 25 3 284437 ,284442 ,284560 344 Covellite (*) Covellite CuS 25 25 2 284560 ,284582 4165 Danburite (*) Danburite CaB2 Si2 O8 1 284516 148 Digenite (*) Digenite Cu1.8 S 18 18 1 284531 1027 Diopside (*) Pyroxene CaMgSi2 O6 3 284392 ,284412 ,284553 4135 Dravite (*) Tourmaline NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1 284528 648 Dumortierite (*) Dumortierite AlAl6 BSi3 O18 2 284514 ,284571 231 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 25 18 15 284412 ,284434 ,284436 ,284439 ,284442 ,284447 ,284457 ,284516 ,284518 ,284524 ,284527 ,284531 ,284560 ,284572 ,284574 8173 Ferberite (*) Columbite Fe2+ (WO4 ) 1 284503 551 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 1 284518 2740 Freibergite (*) Tetrahedrite Ag6 [Cu4 Fe2 ]Sb4 S12 2 284481 ,284505 663 Galena (*) Rocksalt PbS 25 25 17 284437 ,284441 ,284442 ,284461 ,284465 ,284477 ,284481 ,284482 ,284486 ,284495 ,284505 ,284513 ,284560 ,284563 ,284566 ,284569 ,284572 24243 Goethite (*) Diaspore FeO(OH) 18 18 8 284412 ,284442 ,284445 ,284503 ,284518 ,284520 ,284528 ,284531 7437 Gold (*) Copper Au 25 18 13 284397 ,284442 ,284443 ,284456 ,284499 ,284520 ,284531 ,284532 ,284539 ,284548 ,284560 ,284565 ,284583 30554 Graphite (*) None C 4 284550 ,284551 ,284552 ,284556 2812 Grossular (*) Garnet Ca3 Al2 (SiO4 )3 4 284410 ,284412 ,284516 ,284572 1544 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 3 284399 ,284439 ,284452 6890 Hematite (*) Corundum Fe2 O3 8 284410 ,284412 ,284436 ,284447 ,284515 ,284516 ,284520 ,284528 14640 Jamesonite (*) None Pb4 FeSb6 S14 4 284481 ,284482 ,284495 ,284505 784 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 5 284481 ,284484 ,284534 ,284536 ,284537 5591 Laumontite (*) Not in a structural group CaAl2 Si4 O12 ·4H2 O 3 284421 ,284451 ,284540 1271 Lepidocrocite (*) Lepidocrocite Fe3+ O(OH) 1 284520 581 Luinaite-(OH) (*) Tourmaline (Na, )(Fe2+ ,Mg)3 Al6 (BO3 )3 Si6 O18 (OH)4 1 284503 9 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 18 18 7 284486 ,284515 ,284531 ,284553 ,284570 ,284572 ,284574 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 25 18 8 284412 ,284442 ,284461 ,284488 ,284514 ,284531 ,284553 ,284560 12537 Marcasite (*) Marcasite FeS2 1 284544 5674 Metacinnabar (*) Sphalerite HgS 1 284430 255 Microcline (*) Feldspar K(AlSi3 O8 ) 2 284512 ,284526 4924 Mimetite (*) Apatite Pb5 (AsO4 )3 Cl 1 284513 1107 Molybdenite (*) Molybdenite MoS2 25 18 10 284414 ,284434 ,284439 ,284441 ,284505 ,284511 ,284527 ,284531 ,284560 ,284582 5800 Mordenite (*) Mordenite (Na2 ,Ca,K2 )4 (Al8 Si40 )O96 ·28H2 O 2 284416 ,284540 405 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 25 18 15 284434 ,284435 ,284438 ,284439 ,284444 ,284481 ,284484 ,284503 ,284513 ,284531 ,284534 ,284536 ,284537 ,284547 ,284560 17380 Natrolite (*) Natrolite Na2 (Si3 Al2 )O10 ·2H2 O 1 284574 1236 Opal (*) Amorphous SiO2 ·n H2 O 1 284410 2994 Orpiment (*) Orpiment As2 S3 1 284535 511 Orthoclase (*) Feldspar K(AlSi3 O8 ) 3 284514 ,284518 ,284579 2349 Pararealgar (*) None As4 S4 1 284535 57 Pennantite (*) Chlorite Clay Mn2+ 5 Al(Si3 Al)O10 (OH)8 2 284577 ,284582 25 Piemontite (*) Epidote Ca2 (Al2 Mn3+ )[Si2 O7 ][SiO4 ]O(OH) 1 284518 260 Powellite (*) Scheelite Ca(MoO4 ) 1 284511 494 Prehnite (*) Prehnite Ca2 Al(Si3 Al)O10 (OH)2 25 25 2 284560 ,284574 1898 Pyrite (*) Pyrite FeS2 25 18 43 284389 ,284407 ,284410 ,284414 ,284434 ,284435 ,284437 ,284439 ,284441 ,284442 ,284443 ,284445 ,284454 ,284461 ,284462 ,284465 ,284469 ,284470 ,284477 ,284481 ,284482 ,284484 ,284492 ,284493 ,284495 ,284498 ,284503 ,284506 ,284509 ,284511 ,284518 ,284520 ,284521 ,284528 ,284531 ,284544 ,284553 ,284560 ,284562 ,284566 ,284572 ,284575 ,284582 39462 Pyrrhotite (*) Nickeline Fe7 S8 25 18 6 284404 ,284441 ,284525 ,284531 ,284560 ,284582 9056 Quartz (*) Quartz SiO2 25 25 64 284391 ,284404 ,284407 ,284408 ,284410 ,284412 ,284421 ,284429 ,284430 ,284434 ,284435 ,284436 ,284437 ,284438 ,284439 ,284441 ,284442 ,284443 ,284445 ,284455 ,284457 ,284461 ,284462 ,284465 ,284477 ,284481 ,284482 ,284484 ,284495 ,284498 ,284501 ,284503 ,284504 ,284505 ,284506 ,284507 ,284509 ,284510 ,284512 ,284513 ,284514 ,284515 ,284516 ,284518 ,284519 ,284520 ,284521 ,284524 ,284526 ,284527 ,284528 ,284536 ,284540 ,284542 ,284544 ,284560 ,284566 ,284567 ,284570 ,284571 ,284574 ,284575 ,284577 ,284582 61156 Ramdohrite (*) Lillianite Pb5.9 Fe0.1 Mn0.1 In0.1 Cd0.2 Ag2.8 Sb10.8 S24 1 284504 34 Realgar (*) None AsS 4 284400 ,284429 ,284430 ,284535 712 Rhodochrosite (*) Calcite Mn(CO3 ) 2 284505 ,284506 1711 Rutile (*) Rutile TiO2 3 284455 ,284518 ,284520 5614 Scheelite (*) Scheelite Ca(WO4 ) 18 18 6 284412 ,284437 ,284439 ,284511 ,284531 ,284582 4894 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 4 284455 ,284518 ,284571 ,284574 2705 Schultenite (*) None Pb(AsO3 OH) 1 284513 30 Scorodite (*) None Fe3+ (AsO4 )·2H2 O 2 284509 ,284513 1153 Senarmontite (*) Arsenolite Sb2 O3 1 284484 179 Siderite (*) Calcite Fe(CO3 ) 25 25 9 284434 ,284438 ,284441 ,284442 ,284513 ,284520 ,284536 ,284560 ,284566 6417 Smithsonite (*) Calcite Zn(CO3 ) 1 284513 2473 Sphalerite (*) Sphalerite ZnS 25 18 17 284437 ,284442 ,284461 ,284462 ,284465 ,284477 ,284481 ,284482 ,284486 ,284495 ,284505 ,284513 ,284525 ,284531 ,284560 ,284566 ,284572 21482 Stannite (*) Stannite Sphalerite Cu2 FeSnS4 1 284505 668 Stibiconite (*) Pyrochlore Sb3+ Sb5+ 2 O6 (OH) 2 284503 ,284506 446 Stibnite (*) Stibnite Sb2 S3 9 284429 ,284430 ,284484 ,284495 ,284498 ,284503 ,284505 ,284506 ,284520 3418 Stilbite-Na (*) Stilbite Na9 (Si27 Al9 )O72 ·28H2 O 1 284540 15 Stilpnomelane (*) Stilpnomelane Clay (K,Ca,Na)(Fe,Mg,Al)8 (Si,Al)12 (O,OH)36 ·nH2 O 1 284447 456 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 1 284582 3337 Tetrahedrite-(Zn) (*) Tetrahedrite Cu6 (Cu4 Zn2 )Sb4 S13 8 284437 ,284442 ,284465 ,284481 ,284482 ,284495 ,284505 ,284566 5317 Titanite (*) Titanite CaTi(SiO4 )O 3 284518 ,284574 ,284579 4899 Uchucchacuaite (*) Lillianite AgMnPb3 Sb5 S12 1 284505 5 Valentinite (*) None Sb2 O3 1 284484 369 Zinkenite (*) Zinkenite Pb9 Sb22 S42 1 284495 228
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 PorphCu-00632 18 18 18 Bornite, Brochantite, Chalcopyrite, Digenite, Epidote, Gold, Magnetite, Molybdenite, Pyrite, Pyrrhotite, Scheelite, Sphalerite Cu 209835 North Fork Cu Deposit, North Fork Of The Snoqualmie River, King Co., Washington, USA North Fork Snoqualmie River Singer et al. (2008) USGSOFR2008_1155 Edit PorphCu-00062 25 25 25 Ankerite, Arsenopyrite, Chalcocite, Chalcopyrite, Cosalite, Covellite, Epidote, Galena, Gold, Molybdenite, Prehnite, Pyrite, Pyrrhotite, Siderite, Sphalerite Cu 21957 Condor-Hemlock Mine (Condor Mine; Hemlock Mine; Pegasus Claim; Green Crystal Claim), Snoqualmie Pass, Middle Fork Of The Snoqualmie River, Snoqualmie & Burns Districts, King Co., Washington, USA Middle Fork Singer et al. (2008) USGSOFR2008_1155
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