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 Actinolite (*) Amphibole Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2 1 280943 3419 Albite (*) Feldspar Na(AlSi3 O8 ) 1 280932 8803 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 662.45 250 0 2353 Anthophyllite (*) Amphibole Mg2 Mg5 Si8 O22 (OH)2 1 280959 718 Calcite (*) Calcite Ca(CO3 ) 2 280926 ,280934 27770 Chalcopyrite (*) Chalcopyrite CuFeS2 3 280932 ,280951 ,280955 27198 Covellite (*) Covellite CuS 1 280955 4165 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1 280920 8173 Galena (*) Rocksalt PbS 5 280903 ,280923 ,280926 ,280932 ,280934 24243 Goethite (*) Diaspore FeO(OH) 2 280916 ,280943 7437 Gold (*) Copper Au 20 280915 ,280916 ,280917 ,280918 ,280919 ,280920 ,280921 ,280922 ,280923 ,280924 ,280925 ,280926 ,280927 ,280928 ,280929 ,280930 ,280931 ,280932 ,280933 ,280934 30554 Hematite (*) Corundum Fe2 O3 6 280913 ,280917 ,280919 ,280920 ,280929 ,280943 14640 Hemimorphite (*) Not in a structural group Zn4 (Si2 O7 )(OH)2 ·H2 O 1 280932 1689 Ilmenite (*) Corundum Fe2+ Ti4+ O3 2 280930 ,280934 5433 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 1 280934 5591 Kyanite (*) Not in a structural group Al2 OSiO4 662.45 250 0 1507 Lithiophorite (*) None (Al,Li)(Mn4+ ,Mn3+ )O2 (OH)2 2 280934 ,280955 210 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 8 280916 ,280917 ,280919 ,280920 ,280924 ,280929 ,280934 ,280943 14899 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 4 280920 ,280926 ,280929 ,280934 17380 Orthoclase (*) Feldspar K(AlSi3 O8 ) 2 280930 ,280932 2349 Pyrite (*) Pyrite FeS2 10 280903 ,280916 ,280917 ,280924 ,280926 ,280929 ,280930 ,280931 ,280932 ,280934 39462 Pyrolusite (*) Rutile MnO2 1 280943 3106 Pyromorphite (*) Apatite Pb5 (PO4 )3 Cl 1 280932 1725 Quartz (*) Quartz SiO2 24 280898 ,280903 ,280913 ,280915 ,280916 ,280917 ,280919 ,280922 ,280924 ,280926 ,280927 ,280928 ,280929 ,280930 ,280931 ,280932 ,280933 ,280934 ,280943 ,280947 ,280949 ,280955 ,280956 ,280980 61156 Rhodonite (*) Rhodonite CaMn3 Mn(Si5 O15 ) 4 280902 ,280913 ,280943 ,280956 969 Rucklidgeite (*) Tetradymite PbBi2 Te4 1 280923 64 Rutile (*) Rutile TiO2 4 280916 ,280920 ,280924 ,280934 5614 Selenium (*) Sulphur Se 1 280934 143 Silver (*) Copper Ag 1 280934 5186 Spessartine (*) Garnet Mn2+ 3 Al2 (SiO4 )3 1 280897 1214 Sphalerite (*) Sphalerite ZnS 3 280920 ,280932 ,280934 21482 Sulphur (*) Sulphur S 1 280903 2045 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 2 280950 ,280958 3337 Tellurium (*) None Te 2 280902 ,280934 190 Tellurobismuthite (*) Tetradymite Bi2 Te3 1 280934 276 Tetradymite (*) Tetradymite Bi2 Te2 S 1 280934 510 Titanite (*) Titanite CaTi(SiO4 )O 1 280934 4899 Tremolite (*) Amphibole Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2 1 280896 2562 Vermiculite (*) Clay Smectite-vermiculite Mg0.7 (Mg,Fe,Al)6 (Si,Al)8 O20 (OH)4 ·8H2 O 662.45 250 0 652 Zircon (*) Zircon Zr(SiO4 ) 3 280916 ,280924 ,280934 5251 Zoisite (*) Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 1 280920 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 USGS-Rb-Sr-03864 662.45 502.45 582.45±80 Rb-Sr age of intrusion whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-03865 362.78 306.78 334.78±28 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-03866 662.45 502.45 582.45±80 Rb-Sr age of intrusion whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-03867 362.78 306.78 334.78±28 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-03868 662.45 502.45 582.45±80 Rb-Sr age of intrusion whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-03869 362.78 306.78 334.78±28 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-03870 662.45 502.45 582.45±80 Rb-Sr age of intrusion whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-03871 362.78 306.78 334.78±28 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06546 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06547 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06548 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06549 306 250 278±28 Rb-Sr age of uplift and cooling muscovite Muscovite 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06551 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06552 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06553 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06554 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06555 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06556 454 380 417±37 Rb-Sr whole rock 103705 Cowherd Quarry, Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06539 463 445 454±9 Rb-Sr age of intrusion whole rock 103726 Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06540 463 445 454±9 Rb-Sr minimum age of intrusion whole rock 103726 Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06541 334 274 304±30 Rb-Sr age of uplift and cooling muscovite Muscovite 103726 Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06542 334 274 304±30 Rb-Sr age of uplift and cooling whole rock 103726 Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06543 382 312 347±35 Rb-Sr age of uplift and cooling biotite 103726 Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-06544 382 312 347±35 Rb-Sr age of uplift and cooling whole rock 103726 Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA USGS-Rb-Sr USGS-Rb-Sr
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