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 Aegirine (*) Pyroxene NaFe3+ Si2 O6 1000 541 4 86826 ,86827 ,86860 ,86870 1022 Aegirine-augite (*) Pyroxene (Ca,Na)(Fe3+ ,Mg,Fe2+ )Si2 O6 1000 541 1 86870 286 Ajoite (*) Ajoite K3 Cu2+ 20 Al3 Si29 O76 (OH)16 ·8H2 O 1 86872 11 Albite (*) Feldspar Na(AlSi3 O8 ) 1000 541 7 86829 ,86831 ,86832 ,86834 ,86870 ,86872 ,86891 8803 Analcime (*) Analcime Na(AlSi2 O6 )·H2 O 749 749 3 86831 ,86834 ,86867 1627 Anglesite (*) Baryte Pb(SO4 ) 545 533 3 86847 ,86854 ,86856 2734 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 1000 541 4 86827 ,86832 ,86834 ,86870 3092 Apachite (*) Not in a structural group Cu2+ 9 Si10 O29 ·11H2 O 545 533 1 86840 5 Aragonite (*) Aragonite Ca(CO3 ) 1 86872 3250 Arcanite (*) Arcanite K2 (SO4 ) 3 86878 ,86888 ,86889 30 Arfvedsonite (*) Amphibole NaNa2 (Fe2+ 4 Fe3+ )Si8 O22 (OH)2 1 86826 295 Augite (*) Pyroxene (Ca,Mg,Fe)2 Si2 O6 1000 541 1 86870 2060 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 545 533 5 86840 ,86847 ,86856 ,86872 ,86884 5509 Baryte (*) Baryte Ba(SO4 ) 1000 100 11 86832 ,86837 ,86840 ,86844 ,86847 ,86848 ,86850 ,86856 ,86870 ,86881 ,86891 11547 Bastnäsite-(Ce) (*) Bastnäsite Ce(CO3 )F 1000 541 1 86870 304 Bertrandite (*) Not in a structural group Be4 Si2 O7 (OH)2 1 86877 606 Beyerite (*) Bismutite CaBi2 O2 (CO3 )2 545 533 2 86840 ,86872 96 Bismite (*) None Bi2 O3 1 86872 214 Bismuth (*) Arsenic Bi 1 86872 1966 Bismutite (*) Bismutite Bi2 O2 (CO3 ) 545 533 2 86844 ,86872 716 Bornite (*) None Cu5 FeS4 749 749 1 86834 5516 Brochantite (*) Brochantite Cu4 (SO4 )(OH)6 1 86872 1633 Calcite (*) Calcite Ca(CO3 ) 1000 533 11 86827 ,86832 ,86840 ,86844 ,86847 ,86848 ,86850 ,86851 ,86856 ,86870 ,86872 27770 Cancrinite (*) Cancrinite (Na,Ca, )8 (Al6 Si6 )O24 (CO3 ,SO4 )2 ·2H2 O 1000 541 3 86832 ,86834 ,86870 232 Carbocernaite (*) Carbocernaite (Sr,Ce,La)(Ca,Na)(CO3 )2 749 749 1 86832 24 Cassiterite (*) Rutile SnO2 510 510 3 86859 ,86863 ,86864 5171 Cerussite (*) Aragonite Pb(CO3 ) 545 533 7 86839 ,86840 ,86844 ,86848 ,86850 ,86856 ,86872 4979 Chalcocite (*) None Cu2 S 749 533 5 86834 ,86840 ,86847 ,86872 ,86884 5707 Chalcopyrite (*) Chalcopyrite CuFeS2 1000 541 6 86831 ,86832 ,86834 ,86835 ,86872 ,86891 27198 Chlorargyrite (*) Rocksalt AgCl 545 533 2 86840 ,86872 1382 Chrysocolla (*) Allophane (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 545 533 4 86840 ,86847 ,86856 ,86872 3531 Clinobisvanite (*) None Bi(VO4 ) 1 86872 36 Clinozoisite (*) Clinozoisite Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 749 749 1 86831 1025 Columbite-(Fe) (*) Columbite Fe2+ Nb2 O6 1000 541 1 86870 518 Copper (*) Copper Cu 545 533 3 86840 ,86848 ,86872 3846 Cuprite (*) Not in a structural group Cu2 O 545 533 8 86840 ,86844 ,86847 ,86854 ,86856 ,86860 ,86872 ,86884 2970 Cuprotungstite (*) None Cu2+ 3 (WO4 )2 (OH)2 1 86872 67 Diaspore (*) Diaspore AlO(OH) 749 749 1 86834 481 Digenite (*) Digenite Cu1.8 S 1000 541 2 86834 ,86891 1027 Dioptase (*) None CuSiO3 ·H2 O 545 533 11 86839 ,86840 ,86844 ,86847 ,86848 ,86850 ,86852 ,86853 ,86855 ,86856 ,86884 164 Djurleite (*) None Cu31 S16 545 533 4 86840 ,86844 ,86856 ,86872 300 Dolomite (*) None CaMg(CO3 )2 1000 533 5 86827 ,86834 ,86840 ,86856 ,86870 9895 Dravite (*) Tourmaline NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1 86872 648 Enstatite (*) Pyroxene Mg2 Si2 O6 749 749 1 86832 944 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1000 541 5 86834 ,86835 ,86870 ,86872 ,86891 8173 Ferro-pargasite (*) Amphibole NaCa2 (Fe2+ 4 Al)(Si6 Al2 )O22 (OH)2 749 749 1 86835 54 Fletcherite (*) Spinel CuNi2 S4 749 749 1 86831 13 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 1000 541 4 86826 ,86859 ,86870 ,86877 2740 Fluorite (*) Fluorite CaF2 1000 100 4 86831 ,86870 ,86883 ,86891 9617 Galena (*) Rocksalt PbS 1000 533 6 86834 ,86850 ,86854 ,86856 ,86872 ,86891 24243 Goethite (*) Diaspore FeO(OH) 749 533 5 86834 ,86840 ,86844 ,86856 ,86872 7437 Gold (*) Copper Au 3 86868 ,86872 ,86873 30554 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 1 86872 6890 Hastingsite (*) Amphibole NaCa2 (Fe2+ 4 Fe3+ )(Si6 Al2 )O22 (OH)2 749 749 1 86831 209 Hematite (*) Corundum Fe2 O3 1000 533 8 86834 ,86840 ,86844 ,86856 ,86864 ,86870 ,86872 ,86877 14640 Hemimorphite (*) Not in a structural group Zn4 (Si2 O7 )(OH)2 ·H2 O 545 533 1 86840 1689 Ilmenite (*) Corundum Fe2+ Ti4+ O3 1000 541 4 86832 ,86834 ,86835 ,86870 5433 Iodargyrite (*) Wurtzite AgI 545 533 2 86840 ,86872 180 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 1 86872 2228 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 545 533 1 86856 5591 Khorixasite (*) Descloizite (Bi0.67 0.33 )Cu(VO4 )(OH) 1 86872 2 Lanarkite (*) None Pb2 O(SO4 ) 545 533 1 86856 97 Laumontite (*) Not in a structural group CaAl2 Si4 O12 ·4H2 O 1 86867 1271 Leadhillite (*) None Pb4 (SO4 )(CO3 )2 (OH)2 545 533 1 86856 265 Lepidocrocite (*) Lepidocrocite Fe3+ O(OH) 749 749 1 86834 581 Magnesio-arfvedsonite (*) Amphibole NaNa2 (Mg4 Fe3+ )Si8 O22 (OH)2 749 749 1 86832 79 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 1000 541 4 86832 ,86834 ,86870 ,86891 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 1000 533 11 86840 ,86844 ,86847 ,86848 ,86850 ,86851 ,86853 ,86856 ,86872 ,86884 ,86891 12537 Microcline (*) Feldspar K(AlSi3 O8 ) 1000 541 1 86870 4924 Millerite (*) Millerite NiS 749 749 2 86831 ,86834 1066 Monazite-(Ce) (*) Monazite Ce(PO4 ) 1000 541 2 86859 ,86870 945 Mottramite (*) Descloizite PbCu(VO4 )(OH) 545 533 7 86840 ,86844 ,86847 ,86848 ,86852 ,86856 ,86872 362 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 1000 533 10 86827 ,86829 ,86832 ,86834 ,86835 ,86840 ,86864 ,86870 ,86877 ,86891 17380 Namibite (*) None Cu(BiO)2 (VO4 )(OH) 545 533 2 86840 ,86872 24 Nepheline (*) Tridymite Na3 K(Al4 Si4 O16 ) 1000 541 2 86834 ,86870 884 Opal (*) Amorphous SiO2 ·n H2 O 1000 510 1 86857 2994 Orthoclase (*) Feldspar K(AlSi3 O8 ) 749 749 1 86831 2349 Parisite-(Ce) (*) Parisite CaCe2 (CO3 )3 F2 1000 541 1 86870 112 Pentlandite (*) Pentlandite (Ni,Fe)9 S8 749 749 1 86834 1512 Phlogopite (*) Mica Clay KMg3 (AlSi3 O10 )(OH)2 1000 541 2 86870 ,86872 2273 Plancheite (*) Plancheite Cu8 (Si4 O11 )2 (OH)4 ·H2 O 545 533 5 86839 ,86847 ,86853 ,86856 ,86872 74 Plattnerite (*) Rutile PbO2 545 533 1 86856 158 Polydymite (*) Spinel Ni2+ Ni3+ 2 S4 749 749 2 86831 ,86834 131 Pseudomalachite (*) None Cu5 (PO4 )2 (OH)4 1 86872 369 Pyrite (*) Pyrite FeS2 1000 541 5 86831 ,86832 ,86834 ,86835 ,86870 39462 Pyrolusite (*) Rutile MnO2 1 86872 3106 Pyromorphite (*) Apatite Pb5 (PO4 )3 Cl 545 533 1 86844 1725 Pyrophyllite (*) Clay Pyrophyllite Al2 Si4 O10 (OH)2 1000 510 1 86857 771 Pyrrhotite (*) Nickeline Fe7 S8 749 749 1 86834 9056 Quartz (*) Quartz SiO2 1000 510 21 86829 ,86831 ,86832 ,86839 ,86840 ,86844 ,86847 ,86848 ,86850 ,86851 ,86852 ,86856 ,86863 ,86864 ,86867 ,86870 ,86872 ,86877 ,86885 ,86887 ,86891 61156 Riebeckite (*) Amphibole Na2 (Fe2+ 3 Fe3+ 2 )Si8 O22 (OH)2 1000 541 1 86870 375 Rutile (*) Rutile TiO2 1000 541 3 86834 ,86870 ,86872 5614 Scheelite (*) Scheelite Ca(WO4 ) 1 86872 4894 Scolecite (*) Natrolite Ca(Si3 Al2 )O10 ·3H2 O 1 86867 390 Shattuckite (*) None Cu5 (SiO3 )4 (OH)2 545 533 7 86840 ,86844 ,86847 ,86850 ,86851 ,86856 ,86872 71 Siderite (*) Calcite Fe(CO3 ) 749 749 2 86834 ,86872 6417 Siegenite (*) Spinel CoNi2 S4 749 749 1 86834 249 Silver (*) Copper Ag 545 533 2 86840 ,86872 5186 Sodalite (*) Cancrinite-sodalite Sodalite Na4 (Si3 Al3 )O12 Cl 1000 541 4 86831 ,86832 ,86834 ,86870 444 Spessartine (*) Garnet Mn2+ 3 Al2 (SiO4 )3 1000 541 4 86828 ,86829 ,86830 ,86891 1214 Sphalerite (*) Sphalerite ZnS 1000 541 1 86891 21482 Strontianite (*) Aragonite Sr(CO3 ) 749 749 1 86832 589 Synchysite-(Ce) (*) None CaCe(CO3 )2 F 1000 541 1 86870 232 Tangeite (*) Adelite CaCu(VO4 )(OH) 1 86872 60 Tenorite (*) None CuO 545 533 2 86847 ,86872 1101 Thorite (*) Zircon Th(SiO4 ) 1000 541 1 86870 1006 Titanite (*) Titanite CaTi(SiO4 )O 1000 541 2 86831 ,86870 4899 Todorokite (*) None (Na,Ca,K,Ba,Sr)1-x (Mn,Mg,Al)6 O12 ·3-4H2 O 1 86872 433 Tremolite (*) Amphibole Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2 1 86864 2562 Triphylite (*) Olivine LiFe2+ (PO4 ) 1 86877 313 Tungstite (*) Tungstite WO3 ·H2 O 1 86872 118 Vanadinite (*) Apatite Pb5 (VO4 )3 Cl 545 533 1 86852 605 Wulfenite (*) Scheelite PbMoO4 545 533 8 86840 ,86844 ,86847 ,86848 ,86850 ,86851 ,86856 ,86872 1655 Xenotime-(Y) (*) Zircon Y(PO4 ) 1000 541 1 86870 939 Zircon (*) Zircon Zr(SiO4 ) 758 746 2 86831 ,86870 5251 Zirconolite (*) Zirconolite (Ca,Y)Zr(Ti,Mg,Al)2 O7 1000 541 1 86870 140
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 Jen_0000978 749 749 749 K-Ar biotite 205220 Sodalite Mine, Orotumba, Swartbooisdrif, Epupa, Kunene Region, Namibia Swartbooisdrif Woolley and Kjarsgaard (2008) 10.4095/225115 GSCOF5796 Edit Bradley_2012_121 545 533 539±6 U/Pb zircon Zircon 30243 Kaokoveld Plateau, Kunene Region, Namibia [Western Kaoko Zone] McCauley and Bradley (2014) 10.3749/canmin.52.2.183 CM52_183 Edit Scott-CGSN8_5-0002 510 510 510 Rb-Sr Age of mineralization muscovite Muscovite 191480 Gamigab Prospect, Khorixas, Kunene Region, Namibia Gamigab prospect Steven et al. (1993) CGSN8_5 P. 10 Table 3 Edit CM46_861_0001 771 749 760 ± 11 U-Pb mineralization xenotime 158050 Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, Namibia Lofdal deposit Wall (2008) CM46_861 Edit GSNC11_47_0001 758 754 756 ± 2 U-Pb mineralization zircon Zircon 158050 Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, Namibia Lofdal deposit Hoffman (1996) GSNC11_47 Edit Jen_0000976 746 746 746 U-Pb zircon Zircon 158050 Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, Namibia Oas and Lofdal Woolley and Kjarsgaard (2008) 10.4095/225115 GSCOF5796 Edit Jen_0000977 758 754 756±2 U-Pb zircon Zircon 158050 Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, Namibia Oas and Lofdal Woolley and Kjarsgaard (2008) 10.4095/225115 GSCOF5796 Edit ree-00479 1000 541 Late Proterozoic 158050 Lofdal-Bergville REE Deposit, Khorixas, Kunene Region, Namibia Lofdal-Bergville Orris and Grauch (2002) USGSOFR02_189 Edit ree-00476 100 100 Post-early Cretaceous 158048 Agate Mountain, Cape Fria, Opuwo Rural, Kunene Region, Namibia Agate Mountain Orris and Grauch (2002) USGSOFR02_189 Edit sedexmvt-00188 650 650 ?650 Ma (geological relations) geological relations 247178 Tsongoari Area (Tsongoari–Omupokko Pb-Cu-Ba-Zn-Ag Prospects), Sesfontein, Kunene Region, Namibia Tsongoari Taylor et al. (2009) USGSOFR2009_1297 Edit sedznpb-00342 1000 541 Neoproterozoic 247178 Tsongoari Area (Tsongoari–Omupokko Pb-Cu-Ba-Zn-Ag Prospects), Sesfontein, Kunene Region, Namibia Tsongoari Singer et al. (2009) USGSOFR2009-1252
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