Field Notebook: PA, ND 2004
Page 105
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Econo 2/10/07 #4 AS-4 AS5 86 21 AT 0026g The fossil is occur in the upper 10 cm of a porcellaneous ash. AS20 0.7 Ash is ~ 60-80 cm Thick capped and in lower portion are found rhizomes & MARS of plant matter but no IVS 0.9 AS-8 0.8 UNIT is capped by a 30cm very tuffaceous ash showing shallow l beds ( Troughs) 0.8 AS-11 0.8 2.5 AS-16 (52045) 3 0.8