Alum Bluff Group

Geology

Formations: unnamed (1), Chipola (105), Choctawhatchee (1), Jackson Bluff (20), Oak Grove (17), Shoal River (40)

Lithologies: not reported (6), "siliciclastic" (3), claystone (8), sandstone (163), "mixed carbonate-siliciclastic" (1), marl (128), "limestone" (1), "carbonate" (1)

Paleoenvironments: marine indet. (150), shallow subtidal indet. (1), coastal indet. (33)

Age range: base of the Burdigalian to the top of the Late/Upper Pliocene or 20.44000 to 2.58800 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Oligocene - Early/Lower Miocene28.4 - 15.97USA (Florida) (143585)
Early/Lower Miocene23.03 - 15.97USA (Florida) (124718 143410 143411 143584 144063)
Burdigalian20.44 - 15.97USA (Georgia) (42069 42109 42212 42213)
Burdigalian20.44 - 15.97USA (Florida) (35018 41760 42214 42216 42222 42223 42225 42250 42268 42271 42272 42281 42290 42328 42365 42366 42367 42379 42418 42419 42420 42421 42422 42423 42424 42425 42426 42427 42428 42430 42442 42443 42445 42447 42448 42449 42450 42482 42605 42642 42656 42657 42663 42677 42678 42682 42684 42685 179694 68971 68972 69019 89574 89575 89576 91536 92379 92457 92458 92459 92460 92461 92501 92502 92503 92504 92505 92506 92512 92513 92541 92542 92543 92544 92545 92546 92547 92548 92549 92550 92551 92552 92553 92554 92555 92556 92557 92558 92559 92560 92561 92562 92563 92564 92565 92566 92567 92568 92569 92696 123552 123553 123555 123562 123563 123564 179088 179091 179131 179631 179695 179696)
Middle Miocene15.97 - 11.608USA (Florida) (144057 144062)
Serravallian13.82 - 11.62USA (Florida) (42692 42801 42813 42817 42819 42870 42872 42874 42875 42886 42884 42888 42889 42890 42891 42892 43009 43011 43014 43021 43022 43023 43024 43028 43031 43032 43036 43046 43047 43048 43049 68970 80018 80019 80021 92507 94810 111204 136943)
Late/Upper Miocene11.608 - 5.333USA (Florida) (91537)
Zanclean - Piacenzian5.333 - 2.588USA (Florida) (61924)
Late/Upper Pliocene3.6 - 2.588USA (Florida) (35029 59484 59485 59486 59487 59488 59489 59490 59491 61155 68982 80029 80037 80039 80044 92440 92510 92576 123549)