Bowser Member

Geology

Formation: Tuxedni

Lithologies: "siliciclastic" (28), "shale" (1), siltstone (6), sandstone (2)

Paleoenvironments: marine indet. (36)

Age range: base of the Bajocian to the top of the Berriasian or 170.30000 to 139.80000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Bajocian170.3 - 168.3USA (Alaska) (125790)
Bathonian168.3 - 166.1USA (Alaska) (68770 68771 68772 68773 68774 68790 68793 68794 68797 68800 68802 68801 68804 68805 68806 68807 68808 68820 68821)
Bathonian - Callovian168.3 - 163.5USA (Alaska) (139465 139592)
Callovian166.1 - 163.5USA (Alaska) (68872 68873 68874 68879 68880 68881 68896 68897 68898 68899 68900 68901 68911 68912 68913 68985 68988 139589)
Early/Lower Callovian164.7 - 161.2USA (Alaska) (139554)
Early/Lower Oxfordian161.2 - 155.7Canada (British Columbia) (127119 127654 138933 138993 138994 139088 139092)
Early/Lower Oxfordian161.2 - 155.7Canada (Alberta) (126976)
Tithonian - Berriasian152.1 - 139.8Canada (British Columbia) (214453)