Laiyang Formation, Group

Geology

Formations: Longwangzhuang (2), Qugezhuang (1), Shuinan (1)

Members: unnamed (14), 3 (21)

Lithologies: not reported (1), "siliciclastic" (1), mudstone (5), "shale" (17), siltstone (11), sandstone (3)

Paleoenvironments: terrestrial indet. (1), fluvial indet. (1), fluvial-lacustrine indet. (1), lacustrine - large (34), lacustrine indet. (1)

Age range: base of the Late/Upper Jurassic to the top of the Aptian or 161.50000 to 113.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Jurassic161.5 - 145.0China (Shandong) (29624)
Late/Upper Barremian130.0 - 125.45China (Shandong) (52854 60462 112138)
Aptian125.0 - 113.0China (Shandong) (106313 154886 124369 125196 128277 137931 144941 148378 154303 154887 154888 154890 154891 154892 154893 154894 154895 154896 154897 154898 154899 156498 156554 156555 156598 156601 156603 161254 164688 164772 167245 201905 207787 233208)
Early/Lower Aptian121.4 - 122.46China (Shandong) (135810)