Star Peak Group

Age range: base of the Spathian to the top of the Sevatian or 251.30000 to 205.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Spathian251.3 - 247.2USA (Nevada) (107731 150311 195195)
Aegean247.2 - 242.0USA (Nevada) (33196 106204 107490 107737 112707 112777 112778 112784 112791 112793 113688 113702 114114 114582 114587 138815 138816 138817 138818 138819 211271)
Anisian247.2 - 242.0USA (Nevada) (230949 230950 230951 230952)
Bithynian247.2 - 242.0USA (Nevada) (40754 93564 143976 211272)
Illyrian247.2 - 242.0USA (Nevada) (33198 33322 38919 142856 38920 142858 38921 38922 38923 38924 38925 142865 38926 142868 38927 38930 39087 39088 39089 40748 40749 40750 40751 40753 40756 40757 40759 40760 43860 44034 44149 44154 47953 57089 57090 98011 110987 142857 142859 142860 142861 142862 142863 142864 142866 142867 142869 142870 142871 142992 142996 143011 143012 143013 143014 143016 143018 143023 143025 143027 143029 143031 143039 143040 143049 143216 143217 143218 143219 209724)
Pelsonian247.2 - 242.0USA (Nevada) (115463 104942 105072 105073 105075 105077 105078 105079 105178 105180 105181 105182 105183 105184 105186 105187 106197 106207 106210 106212 106213 106320 106322 106323 107491 107492 107494 107495 107497 107498 107730 107732 107733 107734 107735 107736 107741 107742 138264)
Anisian - Ladinian247.2 - 237.0USA (Nevada) (102378 102379 107738 107739 107740 136680 136681 136685)
Ladinian242.0 - 237.0USA (Nevada) (230954 230955 230956 230957 230958 230959)
Fassanian242.0 - 235.0USA (Nevada) (33199 143020 143021 143042 143045 143050 143276 143277 143279)
Longobardian242.0 - 235.0USA (Nevada) (42552 143044 143278 150771 150772)
Sevatian212.0 - 205.6USA (Nevada) (33379)