Aruma Formation

Geology

Members: unnamed (2), Hajajah (10), Khanasir (9), Lina (2)

Lithologies: mudstone (2), "shale" (3), sandstone (2), conglomerate (2), "reef rocks" (2), "limestone" (18), dolomite (1)

Paleoenvironments: marine indet. (8), carbonate indet. (8), shallow subtidal indet. (1), lagoonal/restricted shallow subtidal (1), reef, buildup or bioherm (3), basin reef (2), basinal (siliceous) (1), marginal marine indet. (1), coastal indet. (1)

Age range: base of the Coniacian to the top of the Late/Upper Pliocene or 89.80000 to 2.58800 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Coniacian89.8 - 86.3Qatar (225949)
Late/Upper Campanian83.5 - 70.6Saudi Arabia (34710 34711 184843 184844 184845 195502 195503 195505 195506 195511 195512 195513 195514)
Maastrichtian72.1 - 66.0Saudi Arabia (85302 85303 85304 85305 85306 85307 85308)
Late/Upper Paleocene - Early/Lower Eocene58.7 - 48.6Saudi Arabia (37182 37183)
Tortonian11.62 - 7.246Japan (Hokkaido) (193941)
Late/Upper Pliocene3.6 - 2.588Japan (Nagano) (52231 110133)