Nemegt Formation

Geology

Members: unnamed (146), Upper (2)

Lithologies: not reported (51), "siliciclastic" (1), mudstone (29), siltstone (8), sandstone (78), conglomerate (14)

Paleoenvironments: terrestrial indet. (116), fluvial indet. (17), coarse channel fill (1), fine channel fill (1), dry floodplain (1), crevasse splay (1), fluvial-lacustrine indet. (8), eolian indet. (3)

Age range: Early/Lower Maastrichtian or 70.60000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Maastrichtian72.1 - 66.0Mongolia (Bayankhongor) (123830 154403 154404 154406)
Maastrichtian72.1 - 66.0Mongolia (Ovorhangai) (13347)
Maastrichtian72.1 - 66.0Mongolia (Omnogov) (13108 37003 180698 37005 37006 37007 37010 37011 37019 37020 38021 38022 38023 38024 38695 38696 38697 38698 38699 38700 38701 38702 38703 38704 38705 38706 199805 51972 52008 52012 53227 54095 55257 55258 59087 65335 65345 65347 69801 73437 88554 100266 100268 100270 100272 100273 100274 100275 108341 108344 113009 123406 126778 126779 126780 126781 126782 126783 126784 126785 126786 126787 126788 126789 126790 126791 126792 126793 126794 126795 126796 126797 127670 127671 127673 127674 127675 127679 127681 127682 128694 130800 154391 154392 154393 154396 154399 165580 168111 168417 168809 168810 168983 168988 168990 180681 180703 179625 180299 180811 180471 180472 180473 180474 180475 180476 180679 180680 180682 180683 180684 180685 180699 180700 180701 180702 180704 180705 180706 180707 180709 180710 180711 180712 180784 180785 180786 180812 180813 206054 206057 220943 224071 226994 229067)
Maastrichtian72.1 - 66.0Mongolia (Tuva) (76192)
Maastrichtian72.1 - 66.0Mongolia (Bayankhongor Aimag) (154409)
Maastrichtian72.1 - 66.0Mongolia (Govi-Altai) (190935 190936)
Maastrichtian72.1 - 66.0Mongolia (84444 130799 206055)
Early/Lower Maastrichtian70.6 - 66.0Mongolia (Omnogov) (221153)