Fayetteville Formation

Geology

Members: unnamed (91), Basal Limestone (3), Limestone (7), Lower Shale (15), Lower Shales (1), Upper Shales (1), Wedington (5)

Lithologies: not reported (1), "siliciclastic" (2), claystone (2), "shale" (82), sandstone (7), "limestone" (29)

Paleoenvironments: marine indet. (93), carbonate indet. (25), offshore indet. (1), coastal indet. (1), offshore (1)

Age range: base of the Brigantian to the top of the Arnsbergian or 335.90000 to 323.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carboniferous358.86 - 298.9USA (Arkansas) (25413 25430 211318)
Meramecian342.9 - 335.4USA (Arkansas) (67201 76116 76118 76130 76132 76135 76141 76148 76149 76151 76152 76155)
Meramecian342.9 - 335.4USA (Oklahoma) (76138 76150 76158)
Brigantian335.9 - 330.3USA (Arkansas) (76142 76143 157984 160500 160506 160509 160510 160511 160517)
Chesterian335.4 - 323.4USA (Arkansas) (76117 76131 76133 76139 76144 76146 76153 76154 92182 92183 239123)
Chesterian335.4 - 323.4USA (Oklahoma) (76140)
Pendleian330.3 - 326.9USA (Arkansas) (84400 84401 84402 84404 121285 155545 157680 157681 157682 157683 157684 157685 157686 157688 157689 157690 157821 157822 157823 157837 157842 157843 157845 157847 157879 157880 157882 157883 157884 157907 157933 157936 157945 157946 157949 157950 157951 157962 157980 157982 157983 157985 157994 157995 158002 158012 158017 158022 158023 158024 158025 158028 158030 158031 158032 158035 160493 160494 160495 160507 160541 160542 160543 160544 160545 160547 160548 160549 160550 160551 160552 160554 160555 160561 160780 175860 175861 175862 175863)
Late/Upper Mississippian330.3 - 323.4USA (Oklahoma) (72036)
Serpukhovian330.3 - 323.4USA (Arkansas) (141723 206813)
Serpukhovian330.3 - 323.4USA (Oklahoma) (141311 141754 141757 141759 141760 141765 206808)
Arnsbergian326.9 - 323.6USA (Arkansas) (76147)