Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hole 31 (cont.)
From To Th
scattered modules.
9" Gray modular block
29" Sideritic block,
local modular zones
Mercer
Clay
17" Sideritic block.
67'4" 69'1" 1'9" Shaley block clay, black
to dark gray, greasy,
appears conglomeratic,
has Fe clumps.
-- ? --
69'1" 78'7" 9'6" Gray to green siltstone
with zones concentrated
'Fe clumps'.
Mauch ?
chunk