1858 14 100 The Oolitic rocks..may be thus tabulated..Portland Oolite [is] Portlandian... Cornbrash, Forest Marble, Bradford Clay, Great Oolite, Stones-field Slate, Fuller's Earth [are] Bathonian.
1859 D. Page 170 Forest Marble, an argillaceous laminated shelly limestone..forming one of the upper portions of the Lower Oolite. It derives its name from Whichwood Forest in Oxfordshire.