Fermeuse Formation

On Avalon Peninsula[1] there is low diversity, and includes rare trace fossils, Palaeopascichnus,[3] and Aspidella discs, sometimes in great concentrations.

[1] On Bonavista Peninsula the depositional environment was a slope and outer shelf–below photic zone Turbidites probably were the dominant sediment transporters.

[4] It is predominantly silts and sands, in contrast to underlying Trepassey Formation, which is mostly dark grey shales.

There is a coarsening up sequence throughout the two formations, such that the top of the Fermeuse is predominantly sandstones.

[1] It is indicated by sandy channel fills, slumping, occasional silts.

1-2 centimetre-wide Aspidella discs (and some smaller mm-sized individuals) on a bedding surface of the Fermeuse Formation near Ferryland, Newfoundland