Yazoo Formation

Geology

Group: Jackson

Members: unnamed (17), Cocoa sand (6), Danville Landing (7), Pachuta (26), Pachuta Marl (9), Shubuta (3), Shubuta clay (3), Tullos (6)

Lithologies: not reported (42), claystone (16), mudstone (4), "shale" (8), sandstone (4), "mixed carbonate-siliciclastic" (4), marl (27), "limestone" (2), "carbonate" (1)

Paleoenvironments: marine indet. (65), carbonate indet. (2), offshore shelf (2), marginal marine indet. (1), coastal indet. (16), foreshore (11), transition zone/lower shoreface (4), offshore (6)

Age range: base of the Bartonian to the top of the Late/Upper Eocene or 41.30000 to 33.90000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Lutetian - Priabonian47.8 - 33.9USA (Louisiana) (1416)
Lutetian - Priabonian47.8 - 33.9USA (Mississippi) (1427 1428)
Bartonian41.3 - 38.0USA (Texas) (205476)
Bartonian41.3 - 38.0USA (Alabama) (98274)
Bartonian41.3 - 38.0USA (Arkansas) (99181)
Bartonian41.3 - 38.0USA (Mississippi) (205498)
Bartonian - Priabonian41.3 - 33.9USA (Louisiana) (92282 106344)
Priabonian38.0 - 33.9USA (Arkansas) (91052 91088 92043)
Priabonian38.0 - 33.9USA (Texas) (91777)
Priabonian38.0 - 33.9USA (Mississippi) (6802 32926 45627 45628 45629 45630 45631 45632 45633 45634 45635 45636 45639 55689 55868 55869 98464 98511 98526 99676 99677 99712 99714 99715 99730 100140 100149 106452 132667 135787 180307 211430)
Priabonian38.0 - 33.9USA (Alabama) (3539 3540 3541 3538 3542 3543 3545 3546 3547 3548 3549 3550 3551 3552 28983 45637 45638 76685 77362 84754 89612 89613 94153 94154 94155 94156 94157 124707 124815 131804 131832 131910 131914 166098 180303 180304 180305 180306 204941 208476 208482)
Priabonian38.0 - 33.9USA (Louisiana) (32925 55251 75638 92284 92294 92298 92300 92301 92358 98678 98686 98687 98689 98856 98931 99761 100143)
Late/Upper Eocene37.2 - 33.9USA (Louisiana) (27623)
Late/Upper Eocene37.2 - 33.9USA (Alabama) (131908)
Late/Upper Eocene37.2 - 33.9USA (Mississippi) (164233 164503)