Page:Quarterly Journal of the Geological Society of London, vol. 26.djvu/488

 Table of the Neocomian.

Gault. (Albien, D' Orb.)

Upper Neocomian. (Aptien, D' Orb.; Rodanien and Aptien, Renew.

Middle Neocomian. (Urgonien, D' Orb.; Barremien and Urgonien, Coq.)

Lower Neocomian. (Neocomien, D' Orb; Valanginien and Neocomien, Desor.)

Tithonian, Oppel.

Jurassic.

Yorkse

Hunstanton

? Black clays Dark blue clays "Cement-beds"

Dark blue clays, fossils ("Zone of Pe

Blue clay with fos

("Ancylocera

Clays with septari

Blue clays

("Zone of Am.

Blue clays

("Zone of

Blue pyritic clays

("Zone of An

Portlandian Clays

Holland

Yellow Ironshot Sandstone of Losser.