Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
③ 5.7
Interbedded grey clay silt (as below) and
silt. About 4 prominent silt beds, 0.6
at base, then 3.2-3.7, then 0.4 at top.
Each has the characteristic rb worth
x lzm study coals strctured along
them, indicating layers sudy silt +
x lzm. Additional smaller layers
silt 2 abt midway between bottom
+ middle layer. This interval most
strongly or obviously