Dawan Formation
Geology
Members: unnamed (68), 1A (6), 1B (4), 2 (1), 3 (14), Lower (10), Middle (5), Upper (3)
Lithologies: not reported (8), "siliciclastic" (1), mudstone (16), "shale" (55), sandstone (1), marl (1), lime mudstone (12), grainstone (10), "limestone" (68), "carbonate" (6), chert (4), lignite (1)
Paleoenvironments: marine indet. (17), carbonate indet. (39), shallow subtidal indet. (20), reef, buildup or bioherm (1), deep subtidal shelf (10), offshore shelf (7), offshore indet. (7), slope (8), transition zone/lower shoreface (2), offshore (9), fluvial indet. (1), lacustrine - large (9), lacustrine indet. (4)
Collections