Ulakhan-Krest Formation

Geology

Members: unnamed (53), 1 (2), 11 (3), 12 (7), 13 (8), 14 (1), 16 (2), 2 (1), 3 (2), 5 (2), 6 (1), Kendei (6)

Lithologies: not reported (1), "siliciclastic" (20), mudstone (34), siltstone (44), sandstone (8), conglomerate (2), "carbonate" (1)

Paleoenvironments: marine indet. (88)

Age range: base of the Olenekian to the top of the Longobardian or 249.90000 to 237.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Olenekian249.9 - 246.7Russian Federation (124642)
Aegean246.7 - 244.99Russian Federation (107203 135963 213434)
Aegean - Bithynian246.7 - 244.24Russian Federation (135907 135962)
Anisian246.7 - 241.464Russian Federation (102012 102013 102014 124547 124548 124549 124550 124551 124552 124553 124570 124571 124572 124573 124574 124575 124576 124637 124638 124639 124640 124641 124643 124644 124645 124646 124647 124648 124649 124650 124651 124652 124653 124654 124655 124656 124657 124658 124659 124660 124661 124663 124664 124665 124666 124667 124668 124669 124670 124671 124672 124673 124674 124675)
Illyrian243.33 - 241.464Russian Federation (102010 135965 135968)
Fassanian241.464 - 239.48Russian Federation (133201 133205 133206 133207 133208 133209 133210 133212 135903 135969)
Ladinian241.464 - 237.0Russian Federation (124544 124545 124546 124554 124555 124556 124557 124558 124559 124560 124561 124562 124563 124564)
Longobardian239.48 - 237.0Russian Federation (135904)