Dalong Formation
Geology
Members: unnamed (378), Chaotian (9), Lower (3), Lower Mudstone (1), Middle (31), Mingyuexia (11), Upper (7)
Lithologies: "siliciclastic" (88), claystone (29), mudstone (173), "shale" (25), sandstone (8), marl (3), lime mudstone (27), chalk (2), framestone (1), "limestone" (30), chert (52), radiolarite (15), tuff (4)
Paleoenvironments: marine indet. (53), carbonate indet. (40), shallow subtidal indet. (1), slope/ramp reef (1), offshore ramp (13), offshore indet. (7), slope (6), basinal (siliceous) (46), offshore (5), basinal (siliciclastic) (64), deep-water indet. (199)
Collections