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 ) 1778 1750 3 289606 ,289681 ,289744 8803 Anorthite (*) Feldspar Ca(Al2 Si2 O8 ) 3 289637 ,289663 ,289798 1036 Arsenopyrite (*) Arsenopyrite FeAsS 2 289541 ,289588 9052 Atacamite (*) Atacamite Cu2 Cl(OH)3 1778 1750 2 289741 ,289744 544 Augite (*) Pyroxene (Ca,Mg,Fe)2 Si2 O6 1 289624 2060 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 1779 1338 5 289572 ,289689 ,289741 ,289744 ,289797 5509 Baddeleyite (*) Baddeleyite ZrO2 1 289624 238 Baryte (*) Baryte Ba(SO4 ) 1778 1750 3 289713 ,289741 ,289779 11547 Berthierite (*) Berthierite FeSb2 S4 1 289588 343 Beryl (*) Beryl Be3 Al2 Si6 O18 1411.99 1351.99 6 289534 ,289587 ,289606 ,289681 ,289740 ,289843 4286 Bismuth (*) Arsenic Bi 2 289644 ,289709 1966 Bismutite (*) Bismutite Bi2 O2 (CO3 ) 1 289644 716 Bornite (*) None Cu5 FeS4 1779 1338 6 289663 ,289689 ,289741 ,289744 ,289797 ,289819 5516 Brochantite (*) Brochantite Cu4 (SO4 )(OH)6 1 289819 1633 Calcite (*) Calcite Ca(CO3 ) 5 289543 ,289560 ,289562 ,289572 ,289755 27770 Carnotite (*) None K2 (UO2 )2 (VO4 )2 ·3H2 O 2 289536 ,289745 1184 Carrollite (*) Spinel CuCo2 S4 1 289663 154 Cerussite (*) Aragonite Pb(CO3 ) 1 289572 4979 Chalcanthite (*) Chalcanthite Cu(SO4 )·5H2 O 1778 1750 3 289709 ,289741 ,289744 925 Chalcocite (*) None Cu2 S 1778 1750 8 289621 ,289689 ,289702 ,289717 ,289741 ,289744 ,289797 ,289819 5707 Chalcopyrite (*) Chalcopyrite CuFeS2 1778 1750 31 289543 ,289545 ,289546 ,289547 ,289548 ,289550 ,289553 ,289572 ,289573 ,289576 ,289577 ,289579 ,289583 ,289644 ,289645 ,289646 ,289647 ,289652 ,289659 ,289663 ,289689 ,289699 ,289702 ,289705 ,289709 ,289713 ,289717 ,289741 ,289744 ,289797 ,289813 27198 Chromite (*) Spinel Fe2+ Cr2 O4 1 289592 3902 Chrysocolla (*) Allophane (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 1778 1750 10 289543 ,289545 ,289546 ,289548 ,289550 ,289553 ,289741 ,289744 ,289797 ,289819 3531 Chrysotile (*) Serpentine Clay Mg3 Si2 O5 (OH)4 1 289592 951 Clinozoisite (*) Clinozoisite Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 1778 1750 1 289744 1025 Cobaltite (*) Cobaltite CoAsS 1 289702 966 Coffinite (*) Zircon U(SiO4 )·nH2 O 1 289572 566 Cooperite (*) None PtS 1 289663 124 Copper (*) Copper Cu 1778 541 21 289582 ,289584 ,289644 ,289646 ,289647 ,289652 ,289653 ,289654 ,289659 ,289660 ,289689 ,289699 ,289702 ,289703 ,289711 ,289718 ,289741 ,289744 ,289797 ,289809 ,289813 3846 Cordierite (*) Beryl Mg2 Al4 Si5 O18 2 289672 ,289755 1008 Corundum (*) Corundum Al2 O3 1 289755 1797 Covellite (*) Covellite CuS 1778 1750 4 289689 ,289691 ,289741 ,289744 4165 Cuprite (*) Not in a structural group Cu2 O 1778 1750 7 289621 ,289644 ,289689 ,289699 ,289741 ,289744 ,289797 2970 Diamond (*) Diamond C 9 289766 ,289786 ,289787 ,289788 ,289789 ,289790 ,289791 ,289793 ,289794 697 Digenite (*) Digenite Cu1.8 S 1778 1750 1 289744 1027 Diopside (*) Pyroxene CaMgSi2 O6 2 289766 ,289786 4135 Dolomite (*) None CaMg(CO3 )2 2 289543 ,289562 9895 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1778 1750 3 289543 ,289562 ,289744 8173 Epsomite (*) Epsomite Mg(SO4 )·7H2 O 5 289734 ,289752 ,289783 ,289815 ,289844 484 Euxenite-(Y) (*) Columbite Y(NbTi)O6 1 289761 414 Fayalite (*) Olivine Fe2+ 2 (SiO4 ) 1 289624 371 Galena (*) Rocksalt PbS 6 289555 ,289572 ,289646 ,289647 ,289652 ,289659 24243 Goethite (*) Diaspore FeO(OH) 1778 1750 1 289744 7437 Gold (*) Copper Au 1778 1750 38 289541 ,289543 ,289545 ,289546 ,289549 ,289550 ,289551 ,289552 ,289553 ,289556 ,289558 ,289559 ,289560 ,289562 ,289576 ,289583 ,289584 ,289645 ,289689 ,289694 ,289695 ,289696 ,289697 ,289699 ,289702 ,289703 ,289705 ,289706 ,289707 ,289711 ,289715 ,289717 ,289718 ,289719 ,289722 ,289744 ,289781 ,289813 30554 Grandidierite (*) None MgAl3 O2 (BO3 )(SiO4 ) 1 289739 40 Graphite (*) None C 2 289577 ,289624 2812 Grossular (*) Garnet Ca3 Al2 (SiO4 )3 1 289666 1544 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 1779 497 0 6890 Halite (*) Rocksalt NaCl 3 289752 ,289783 ,289815 1398 Hematite (*) Corundum Fe2 O3 1778 1750 7 289577 ,289645 ,289689 ,289709 ,289741 ,289743 ,289744 14640 Hercynite (*) Spinel Fe2+ Al2 O4 1 289624 407 Ilmenite (*) Corundum Fe2+ Ti4+ O3 20 289607 ,289624 ,289625 ,289626 ,289627 ,289628 ,289629 ,289630 ,289631 ,289632 ,289634 ,289635 ,289636 ,289637 ,289638 ,289639 ,289640 ,289758 ,289766 ,289777 5433 Iridium (*) Copper Ir 1 289544 162 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 1778 1750 3 289744 ,289773 ,289833 2228 Kotulskite (*) Nickeline Pd(Te,Bi)2-x (x ≈ 0.4) 1778 1750 1 289744 116 Kyanite (*) Not in a structural group Al2 OSiO4 3 289590 ,289672 ,289755 1507 Lorándite (*) None TlAsS2 1778 1750 1 289744 15 Mackinawite (*) None (Fe,Ni)1+x S (x = 0-0.07) 1778 1750 1 289741 451 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 1778 1750 30 289595 ,289596 ,289597 ,289607 ,289608 ,289624 ,289625 ,289626 ,289627 ,289628 ,289629 ,289630 ,289631 ,289632 ,289633 ,289634 ,289635 ,289636 ,289637 ,289638 ,289639 ,289640 ,289663 ,289665 ,289681 ,289729 ,289741 ,289744 ,289758 ,289777 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 1778 1750 18 289538 ,289543 ,289545 ,289546 ,289548 ,289550 ,289553 ,289572 ,289577 ,289621 ,289644 ,289645 ,289689 ,289709 ,289741 ,289744 ,289797 ,289819 12537 Marcasite (*) Marcasite FeS2 1778 1750 2 289577 ,289744 5674 Merenskyite (*) Melonite PdTe2 1778 1750 2 289663 ,289744 155 Michenerite (*) Ullmannite PdBiTe 1778 1750 2 289663 ,289744 114 Microcline (*) Feldspar K(AlSi3 O8 ) 1600 541 9 289533 ,289534 ,289587 ,289605 ,289606 ,289681 ,289740 ,289800 ,289843 4924 Millerite (*) Millerite NiS 1 289663 1066 Mirabilite (*) None Na2 (SO4 )·10H2 O 6 289571 ,289687 ,289734 ,289752 ,289783 ,289815 223 Molybdenite (*) Molybdenite MoS2 1778 1750 3 289547 ,289744 ,289797 5800 Moncheite (*) Melonite Pt(Te,Bi)2 1778 1750 2 289663 ,289744 133 Montmorillonite (*) Clay Smectite-vermiculite (Na,Ca)0.3 (Al,Mg)2 Si4 O10 (OH)2 ·nH2 O 1 289681 1508 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 1778 541 11 289533 ,289534 ,289587 ,289605 ,289606 ,289681 ,289740 ,289744 ,289755 ,289800 ,289843 17380 Oosterboschite (*) None (Pd,Cu)7 Se5 1778 1750 1 289744 5 Opal (*) Amorphous SiO2 ·n H2 O 1779 497 0 2994 Orpiment (*) Orpiment As2 S3 1778 1750 2 289741 ,289744 511 Paolovite (*) None Pd2 Sn 1778 1750 1 289744 38 Pentlandite (*) Pentlandite (Ni,Fe)9 S8 1778 1750 2 289741 ,289744 1512 Pigeonite (*) Pyroxene (Mg,Fe,Ca)2 Si2 O6 1 289624 303 Platinum (*) Copper Pt 1779 1338 3 289541 ,289689 ,289744 485 Pyrite (*) Pyrite FeS2 1778 1750 22 289541 ,289543 ,289545 ,289546 ,289548 ,289550 ,289552 ,289553 ,289558 ,289562 ,289572 ,289583 ,289588 ,289689 ,289699 ,289705 ,289712 ,289713 ,289741 ,289743 ,289744 ,289813 39462 Pyrolusite (*) Rutile MnO2 1 289779 3106 Pyrope (*) Garnet Mg3 Al2 (SiO4 )3 2 289766 ,289786 341 Pyrrhotite (*) Nickeline Fe7 S8 1778 1750 10 289572 ,289573 ,289576 ,289577 ,289579 ,289584 ,289689 ,289712 ,289741 ,289744 9056 Quartz (*) Quartz SiO2 1778 541 37 289533 ,289534 ,289538 ,289547 ,289550 ,289551 ,289552 ,289558 ,289562 ,289572 ,289573 ,289576 ,289577 ,289579 ,289587 ,289605 ,289606 ,289666 ,289681 ,289688 ,289689 ,289697 ,289705 ,289709 ,289712 ,289722 ,289740 ,289741 ,289743 ,289744 ,289755 ,289777 ,289781 ,289800 ,289809 ,289813 ,289843 61156 Realgar (*) None AsS 1778 1750 2 289741 ,289744 712 Scheelite (*) Scheelite Ca(WO4 ) 1 289797 4894 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1411.99 1351.99 2 289587 ,289681 2705 Siderite (*) Calcite Fe(CO3 ) 2 289543 ,289562 6417 Sillimanite (*) Not in a structural group Al2 SiO5 3 289590 ,289672 ,289755 1516 Silver (*) Copper Ag 1778 1750 9 289583 ,289584 ,289646 ,289647 ,289652 ,289659 ,289699 ,289744 ,289813 5186 Sperrylite (*) Pyrite PtAs2 1778 1750 2 289741 ,289744 337 Sphalerite (*) Sphalerite ZnS 1778 1750 9 289572 ,289573 ,289577 ,289579 ,289583 ,289584 ,289729 ,289741 ,289744 21482 Spinel (*) Spinel MgAl2 O4 1600 541 2 289607 ,289777 1934 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 1 289592 3337 Temagamite (*) None Pd3 HgTe3 1778 1750 1 289744 24 Tenorite (*) None CuO 1778 1750 2 289741 ,289744 1101 Tetrahedrite-(Zn) (*) Tetrahedrite Cu6 (Cu4 Zn2 )Sb4 S13 1778 1750 3 289741 ,289743 ,289744 5317 Tremolite (*) Amphibole Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2 1 289592 2562 Trona (*) None Na3 (HCO3 )(CO3 )·2H2 O 1 289667 129 Uranophane-α (*) None Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 1 289814 890 Vermiculite (*) Clay Smectite-vermiculite Mg0.7 (Mg,Fe,Al)6 (Si,Al)8 O20 (OH)4 ·8H2 O 1 289755 652 Violarite (*) Spinel FeNi2 S4 1778 1750 1 289744 380 Vivianite (*) Vivianite Fe2+ 3 (PO4 )2 ·8H2 O 1 289624 636 Wulfenite (*) Scheelite PbMoO4 2 289773 ,289833 1655 Zircon (*) Zircon Zr(SiO4 ) 1600 541 2 289624 ,289800 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-00043 1411.99 1351.99 1381.99±30 Rb-Sr age of intrusion whole rock 250759 Fox Park, Albany Co., Wyoming, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-00044 1411.99 1351.99 1381.99±30 Rb-Sr age of intrusion whole rock 250759 Fox Park, Albany Co., Wyoming, USA USGS-Rb-Sr USGS-Rb-Sr Edit ree-00671 1600 541 Middle Proterozoic 172689 Laramie Range Anorthosite Prospect, Iron Mountain Mining District, Albany Co., Wyoming, USA Laramie Anorthosite Complex Orris and Grauch (2002) USGSOFR02_189 Edit USGS-U-Th-Pb-02067_206_238 1590 1590 1590 206_238 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02067_207_206 1776 1776 1776 207_206 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02067_207_235 1672 1672 1672 207_235 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02068_206_238 1502 1502 1502 206_238 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02068_207_206 1779 1779 1779 207_206 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02068_207_235 1621 1621 1621 207_235 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02069_206_238 1462 1462 1462 206_238 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02069_207_206 1776 1776 1776 207_206 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02069_207_235 1595 1595 1595 207_235 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02070_206_238 1398 1398 1398 206_238 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02070_207_206 1772 1772 1772 207_206 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02070_207_235 1553 1553 1553 207_235 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02071_206_238 1338 1338 1338 206_238 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02071_207_206 1772 1772 1772 207_206 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-U-Th-Pb-02071_207_235 1515 1515 1515 207_235 age of intrusion zircon Zircon 172380 Inversion Cabin Prospects, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-U-Th-Pb USGS-U-Th-Pb Edit USGS-Rb-Sr-00037 1411.99 1351.99 1381.99±30 Rb-Sr age of intrusion whole rock 174934 Unnamed U Occurrence (3), Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mts, Albany Co., Wyoming, USA USGS-Rb-Sr USGS-Rb-Sr Edit Hg-00048 1778 1750 U-Th-Pb Temagamite Hg 7128 New Rambler Mining District, Albany Co., Wyoming, USA McCallum et al. (1976); Premo and Loucks (2000) Edit ree-00689 1600 541 Middle Proterozoic 7137 Tie Siding Pegmatites, Albany Co., Wyoming, USA Tie Siding Orris and Grauch (2002) USGSOFR02_189 Edit ree-00737 521 497 Middle Cambrian 174477 Unknown REE Prospect (MRDS - 10181610), Albany Co., Wyoming, USA Bald Mountain Orris and Grauch (2002) USGSOFR02_189
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