Canyon Group

Geology

Formations: Brad (10), Caddo Creek (27), Graford (13), Palo Pinto (1), Winchell (65), Wolf Mountain (6), Wolf Mountain Shale (1)

Lithologies: not reported (1), "shale" (61), sandstone (11), wackestone (38), packstone (7), grainstone (6), "limestone" (26)

Paleoenvironments: marine indet. (28), carbonate indet. (19), lagoonal/restricted shallow subtidal (44), marginal marine indet. (1), estuary/bay (21), deltaic indet. (10)

Age range: base of the Missourian to the top of the Toarcian or 306.00000 to 174.10000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carboniferous358.9 - 298.9USA (New Mexico) (9860 9867 9868 9869 9870 9951 9952 9953 9954 9955)
Kasimovian307.0 - 303.7USA (Texas) (66107 66108 128580 128586 128644 128646 131373 131375 131376 131383 131470 131471 131479 236677)
Missourian306.0 - 303.7USA (Texas) (11087 43862 43863 43864 43866 43868 43871 43873 43876 43877 43878 43879 43880 43881 43882 43883 43884 43885 43886 43887 43888 43889 43959 43960 43961 43968 43970 43971 43972 43973 43974 43975 43976 43977 43978 43979 43980 43981 43982 43983 43984 43985 43986 43987 43988 43989 43990 43991 43992 43993 43994 43995 43996 43997 43998 43999 44165 44162 44166 44167 44168 44169 44170 44171 49986 49987 49988 72185 111697 111698 111699 111700 111701 159900 159901 159902 217902 217911 217916 217917 217918 217919 217924 217936 217937 217942 217950 217953 217954 217957 217963 217972 217973 217983 217984 217989 218011 218032 218033 218034 218037 218041 218052 218055 218058 218059 218065 218075)
Virgilian303.7 - 298.9USA (Texas) (217974)
Rhaetian208.5 - 201.3USA (Colorado) (105096 192942 192943 192944 192945 192946 192947 193012 195179)
Rhaetian208.5 - 201.3USA (Utah) (137230 192896 192897 192915 192916 192941 193242 193243 195180 195181)
Rhaetian208.5 - 201.3USA (Arizona) (174107 192917)
Rhaetian - Hettangian208.5 - 199.3USA (Arizona) (38886 38888 38889 46392 52086 126607 126609 126610 137231 137291 137293 137295)
Rhaetian - Hettangian208.5 - 199.3USA (Utah) (57065 57066 105543 121323 157018 184777 187422 222901 223706)
Rhaetian - Hettangian208.5 - 199.3USA (Colorado) (13263)
Hettangian201.3 - 199.3USA (Colorado) (183639 193011)
Hettangian201.3 - 199.3USA (Arizona) (191750 225153 225154)
Hettangian201.3 - 199.3USA (Utah) (56131 105544 105546 121305 121311 121320 121321 157013 157016 184680 184681 194550 194551 194553 194554 194862 194863)
Early/Lower Hettangian201.3 - 196.5USA (Arizona) (51897)
Early/Lower Hettangian201.3 - 196.5USA (Utah) (52153)
Hettangian - Sinemurian201.3 - 190.8USA (Utah) (184682 225112 225113)
Hettangian - Sinemurian201.3 - 190.8USA (Arizona) (214349 216632 216633 216634 216635)
Hettangian - Pliensbachian201.3 - 182.7USA (Utah) (184775 222900)
Hettangian - Pliensbachian201.3 - 182.7USA (Arizona) (225199)
Sinemurian - Pliensbachian199.3 - 182.7USA (Arizona) (13279 13280 13283 13409 13410 27716 27717 27718 27719 35248 35249 35250 36272 46212 46367 46395 46398 51894 51895 51896 51898 51899 59929 59930 91553 98609 126606 137286 137287 137288 137290 137292 137294 214347 216631 216636 216637 216638 216641 216643 216645 221674)
Sinemurian - Pliensbachian199.3 - 182.7USA (Utah) (57067 57068 103972 105545 183521 183525 183529 184778 192426 194145 194146 194147 194148 222910 223699 223705)
Pliensbachian190.8 - 182.7USA (Arizona) (98597 191751 214348)
Pliensbachian190.8 - 182.7USA (Utah) (189379 193256 193257 193258 193259 193262 193265 193266 193267 193268 225150 225151 229818)
Pliensbachian - Toarcian190.8 - 174.1USA (Arizona) (25306 38887 39642 47191 47192 51976 53826 58556 86178 105540 126608 137233 137232 137234 137235)
Pliensbachian - Toarcian190.8 - 174.1USA (Colorado) (139584)
Pliensbachian - Toarcian190.8 - 174.1USA (Utah) (49586 49587 49588 49589 49590 49591 49592 49593 49594 57009 57069 58552 58553 58554 58555 60602 94804 103970 105547 184683 184776 184779 189332 195166 195174 195175 195176 195177 195178 201625 222902 222903 222907 222908 222909 222911 222912 222913 222929 222930 222931)
Pliensbachian - Toarcian190.8 - 174.1USA (Idaho) (195189)
Pliensbachian - Toarcian190.8 - 174.1USA (Arizona/Utah) (60455)
Toarcian182.7 - 174.1USA (Utah) (193260 193261 193263 193264)