A This mineral is Anthropogenic. G This mineral is directly dated. B This mineral is reported as having this age. Y This mineral is using an age reported as an element mineralization period. O This mineral is using an age calculated from all data at the locality. R The age displayed for this mineral originates from a different, non-child locality. P The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. This mineral's age has not yet been recorded.
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 ) 1702 1702 7 264927 ,264935 ,264944 ,264946 ,264948 ,264959 ,264961 8803 Alluaudite (*) Alluaudite NaMnFe3+ 2 (PO4 )3 1702 1702 2 264935 ,264961 94 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 1702 1702 1 264955 2353 Aragonite (*) Aragonite Ca(CO3 ) 1702 1702 1 264961 3250 Arsenolite (*) Arsenolite As2 O3 1702 1702 1 264927 231 Arsenopyrite (*) Arsenopyrite FeAsS 1702 1702 1 264927 9052 Autunite (*) Autunite Ca(UO2 )2 (PO4 )2 ·10-12H2 O 1702 1702 1 264927 1272 Beraunite (*) Beraunite Fe3+ 6 (PO4 )4 O(OH)4 ·6H2 O 1702 1702 1 264927 136 Bermanite (*) Arthurite Mn2+ Mn3+ 2 (PO4 )2 (OH)2 ·4H2 O 1702 1702 1 264927 55 Beryl (*) Beryl Be3 Al2 Si6 O18 1702 1702 14 264911 ,264918 ,264927 ,264935 ,264936 ,264940 ,264945 ,264946 ,264948 ,264950 ,264957 ,264959 ,264960 ,264963 4286 Calcite (*) Calcite Ca(CO3 ) 1702 1702 1 264961 27770 Chrysoberyl (*) Olivine BeAl2 O4 1702 1702 1 264946 321 Collinsite (*) Fairfieldite Ca2 Mg(PO4 )2 ·2H2 O 1702 1702 1 264927 38 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 1702 1702 1 264927 2740 Heterosite (*) Olivine Fe3+ (PO4 ) 1702 1702 3 264927 ,264935 ,264961 204 Hureaulite (*) Hureaulite Mn2+ 5 (PO3 OH)2 (PO4 )2 ·4H2 O 1702 1702 1 264927 125 Hydroxylapatite (*) Apatite Ca5 (PO4 )3 OH 1702 1702 1 264927 367 Laueite (*) Laueite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 1702 1702 1 264927 70 Leucophosphite (*) Leucophosphite KFe3+ 2 (PO4 )2 (OH)·2H2 O 1702 1702 1 264927 110 Löllingite (*) Löllingite FeAs2 1702 1702 1 264927 762 Melanterite (*) Melanterite Fe(SO4 )·7H2 O 1702 1702 1 264935 915 Messelite (*) Fairfieldite Ca2 Fe2+ (PO4 )2 ·2H2 O 1702 1702 1 264927 43 Microcline (*) Feldspar K(AlSi3 O8 ) 1702 1702 7 264918 ,264927 ,264935 ,264941 ,264946 ,264957 ,264961 4924 Mitridatite (*) Arseniosiderite Ca2 Fe3+ 3 O2 (PO4 )3 ·3H2 O 1702 1702 1 264927 129 Montgomeryite (*) Calcioferrite Ca4 MgAl4 (PO4 )6 (OH)4 ·12H2 O 1702 1702 1 264927 44 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 1702 1702 10 264911 ,264927 ,264935 ,264944 ,264946 ,264948 ,264949 ,264959 ,264961 ,264963 17380 Parasymplesite (*) Vivianite Fe2+ 3 (AsO4 )2 ·8H2 O 1702 1702 1 264927 124 Pharmacosiderite (*) Pharmacosiderite KFe3+ 4 (AsO4 )3 (OH)4 ·6-7H2 O 1702 1702 1 264927 428 Phosphosiderite (*) Phosphosiderite Fe3+ (PO4 )·2H2 O 1702 1702 1 264927 182 Pyrite (*) Pyrite FeS2 1702 1702 1 264935 39462 Quartz (*) Quartz SiO2 1702 1702 29 264911 ,264912 ,264913 ,264914 ,264915 ,264916 ,264918 ,264927 ,264928 ,264932 ,264935 ,264936 ,264939 ,264940 ,264941 ,264942 ,264945 ,264946 ,264948 ,264949 ,264950 ,264953 ,264954 ,264956 ,264957 ,264959 ,264961 ,264963 ,264967 61156 Robertsite (*) Arseniosiderite Ca2 Mn3+ 3 O2 (PO4 )3 ·3H2 O 1702 1702 1 264927 36 Rockbridgeite (*) Rockbridgeite (Fe2+ 0.5 Fe3+ 0.5 )2 Fe3+ 3 (PO4 )3 (OH)5 1702 1702 1 264927 206 Rutile (*) Rutile TiO2 1702 1702 1 264966 5614 Schneiderhöhnite (*) None Fe2+ Fe3+ 3 As3+ 5 O13 1702 1702 1 264927 15 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1702 1702 4 264927 ,264935 ,264941 ,264961 2705 Scorodite (*) None Fe3+ (AsO4 )·2H2 O 1702 1702 1 264927 1153 Sicklerite (*) Olivine LiMn2+ (PO4 ) 1702 1702 1 264927 66 Siderite (*) Calcite Fe(CO3 ) 1702 1702 1 264961 6417 Sillimanite (*) Not in a structural group Al2 SiO5 1702 1702 1 264941 1516 Spessartine (*) Garnet Mn2+ 3 Al2 (SiO4 )3 1702 1702 1 264926 1214 Spodumene (*) Pyroxene LiAlSi2 O6 1702 1702 2 264959 ,264960 688 Stewartite (*) Stewartite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 1702 1702 1 264927 48 Strunzite (*) Strunzite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 1702 1702 1 264927 98 Symplesite (*) Symplesite Fe2+ 3 (AsO4 )2 ·8H2 O 1702 1702 1 264927 92 Tavorite (*) None LiFe3+ (PO4 )(OH) 1702 1702 1 264927 35 Tinsleyite (*) Leucophosphite KAl2 (PO4 )2 (OH)·2H2 O 1702 1702 1 264927 9 Todorokite (*) None (Na,Ca,K,Ba,Sr)1-x (Mn,Mg,Al)6 O12 ·3-4H2 O 1702 1702 1 264927 433 Tridymite (*) Tridymite SiO2 1702 1702 1 264927 458 Triphylite (*) Olivine LiFe2+ (PO4 ) 1702 1702 2 264927 ,264961 313 Walentaite (*) Walentaite [Mn(H2 O)6 ][ As3+ 3 Fe3+ 3 (PO4 )2 O7 ] 1702 1702 1 264927 6 Whitlockite (*) Cerite Ca9 Mg(PO3 OH)(PO4 )6 1702 1702 1 264927 104 Xanthoxenite (*) None Ca4 Fe3+ 2 (PO4 )4 (OH)2 ·3H2 O 1702 1702 1 264927 29
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 Be-00046 1702 1702 1702 high Yes Faheyite Be 45259 Roosevelt Group (Rough Rider), Custer, Custer District, Custer Co., South Dakota, USA Dahl and Foland (2008) 10.2138/am.2008.2633 AM93_1215 Edit Be-00023 1702 1702 1702 high Yes Ehrleite, Fransoletite, Greifensteinite, Pahasapaite, Parafransoletite, Roscherite, Tiptopite Be 4122 Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA Dahl and Foland (2008) 10.2138/am.2008.2633 AM93_1215
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