Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hole #23
CB
7 - 0 Surficial material
23 - 0 Largely washed. Ground down pieces of 'silty' claystone, siltstone and sand-stone.
33 - 0 'Largely washed. Some gray silty claystone.
45 - 4 Olive grey silty claystone.
47 - 2 Interbedded siltstone and fine grained sandstone.
47 - 6 Dark grey silty claystone
48 - 4 Bone and shale.
62 - 10 Grey silty claystone. Small siderite nodules