Graham Formation, Group

Geology

Group: Cisco

Formations: Gunsight (3), Jacksboro Limestone (1), Wayland (1)

Members: unnamed (49), Bunger limestone (2), Bunger ls (4), Finis (3), Finis Shale (113), Gonzales Creek (2), Gonzales Limestone (1), Gonzales ls (2), Gunsight limestone (2), Gunsight ls (3), Jacksboro Limestone (48), Kisinger Chanel (1), Kisinger Channel (6), Necessity Shale (2), Salem School (1), Salem School Limestone (8), South Bend (1), Wayland (8), Wayland sh (5), Wayland Shale (10)

Lithologies: not reported (5), mudstone (2), "shale" (193), siltstone (8), sandstone (8), marl (1), wackestone (27), packstone (6), "limestone" (41), "carbonate" (23)

Paleoenvironments: marine indet. (139), carbonate indet. (60), offshore indet. (31), estuary/bay (4), offshore (10)

Age range: base of the Gzhelian to the top of the Pliocene or 303.70000 to 2.58800 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Pennsylvanian323.2 - 298.9USA (Texas) (210784)
Gzhelian303.7 - 298.9USA (Texas) (71497 128581 128582 128583 128584 128622 128643 128645 128678 131324 131325 131326 131551 131552 131565 131574 132479 151054 187593 196773 196774)
Virgilian303.7 - 298.9USA (Texas) (1049 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1075 1079 1080 1081 1082 1083 1084 1086 1087 1088 1048 1101 1104 1125 1126 1127 1128 1129 1130 1131 1132 1133 49693 49810 69732 69733 71502 71498 71499 71500 71501 71503 75147 93704 93705 93706 93708 97877 211319 224248 215210 215238 217086 217088 217089 217090 217091 217092 217167 217169 217168 217190 217191 217230 217233 217234 217235 217891 217892 217893 217894 217895 217896 217897 217898 217900 217901 217903 217904 217905 217906 217907 217908 217909 217910 217913 217914 217915 217920 217921 217926 217927 217928 217929 217931 217932 217933 217934 217940 217941 217943 217944 217946 217947 217948 217949 217951 217952 217955 217956 217958 217959 217960 217961 217962 217964 217965 217966 217967 217968 217969 217970 217971 217976 217977 217978 217979 217980 217985 217986 217991 217992 217993 217994 217995 217996 217999 218000 218001 218002 218003 218004 218005 218006 218008 218009 218010 218013 218014 218016 218017 218018 218019 218020 218021 218022 218023 218024 218025 218026 218027 218028 218029 218030 218031 218035 218036 218038 218039 218043 218044 218046 218047 218053 218054 218060 218061 218062 218063 218064 218071 218072 218073 218076 218078 218082 219013 219014 219015 219016 219017 219018 219019 219020 219021 220413 220414 224249 224250 225019 225021 225054 225056 225058 225059 225742 225743 225744 225745 225746 225747 225748 225749 225750 225751 225752 225753 225754 225755 225756 225757 225758 225759 225760 225761 225762 225763 225764 225765 225766 225767 225768 225769 225770 225771 225772 225773 225774 225775 225776)
Early/Lower Bajocian171.6 - 168.4Canada (British Columbia) (71116 71117 71119 71120 71121 71122 71123 71124 71125 71126)
Pliocene5.333 - 2.588USA (Mississippi) (92527 92528 92529 92530)