Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
9-18-74.
Stop VI - 5. Rhynelas kate. (Rin- las).
Widespread Caradoc fauna found at
Gaspé (or Willington pt.); Fenerinurid unit of Estonia,
Maine etc. = middle Mayville (vague enough).
Photog. of R. kate. Not a nodular slate but
a shearing, post-depositional phenomenon has resulted
in clay compaction; Ca CO3 soln.
Compaction, "thickening" of strata vertically
Stop VI - 6. Unconformity.
Calcareous ashes in Caradocian have by far
the most abund. Faunas in this division