Cooper Formation, Group

Geology

Formations: Ashley (13), Chandler Bridge (11)

Members: unnamed (6)

Lithologies: not reported (19), "siliciclastic" (1), claystone (2), mudstone (3), siltstone (4), sandstone (16), conglomerate (12), marl (4), lime mudstone (1), packstone (1), grainstone (25), "limestone" (3)

Paleoenvironments: marine indet. (61), terrestrial indet. (14), lagoonal/restricted shallow subtidal (3), estuary/bay (1), shoreface (2), fluvial indet. (3), "channel" (1), "floodplain" (1), lacustrine - small (1)

Age range: base of the Pragian to the top of the Chattian or 410.80000 to 23.03000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Devonian419.2 - 358.9Australia (Victoria) (7211 7212 7213 10120 10121 10122 10123 10124 10125 10126 10127 10128 10130 10131 10132 10133 10134 10135 10136 10140 10141 10142 10143 10144 10145 10146 10147 10148 10149 10150 10151 10152 10153 10154 10156 10157)
Pragian410.8 - 407.6Australia (Victoria) (10129 10155)
Middle Givetian383.0 - 380.2USA (Missouri) (93849)
Desmoinesian312.8 - 306.0USA (Iowa) (217283)
Norian228.0 - 208.5USA (Texas) (13273 67699 79947 196354 196537 218126 218143 218144 218145 218146 218147 218148 218149 218151)
Bartonian41.3 - 38.0USA (South Carolina) (228972 228973)
Bartonian - Priabonian41.3 - 33.9USA (South Carolina) (99087 99088)
Priabonian38.0 - 33.9USA (Georgia) (204627)
Rupelian33.9 - 28.1USA (South Carolina) (45500 45777 45761 45778 60444 60445 66190 66191 224900 99086 135687 144261 197060 223493)
Chattian28.1 - 23.03USA (South Carolina) (45780 45781 60304 60306 112635 144260 144262 156031 188993 206943 223492 228594 228957 228971)