Grey Shale Member

Geology

Formation: Whitby Mudstone

Lithologies: not reported (2), mudstone (42), "shale" (2), sandstone (42)

Paleoenvironments: marine indet. (4), deep subtidal shelf (33), deep subtidal indet. (9)

Age range: base of the Tenuicostatum to the top of the Valanginian or 183.00000 to 132.90000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian183.0 - 182.0United Kingdom (213658 213670 213671 213672 213673 213674 213675 213676 213677 213678 213679 213680 213681 213682 213683 213684 213685 213686 213687 213688 213689 213690 213691 213692 213693 213694 213695 213696 213697 213698 213699 213700 213701 213702 213703 213704 213705 213892 213894 213897 213899 213902)
Falciferum183.0 - 182.0United Kingdom (118022)
Tenuicostatum183.0 - 182.0United Kingdom (118021)
Berriasian145.0 - 139.8Canada (Yukon) (55938)
Valanginian139.8 - 132.9Canada (Yukon) (55941)