Great Day Creek Section, Bathurst Island, Unit 20, Blue Fiord Formation (Devonian of Canada)

Where: Nunavut, Canada (76.3° N, 99.0° W: paleocoordinates 8.5° S, 19.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Blue Fiord Formation, Emsian (407.6 - 393.3 Ma)

• "Unit n" [from bottom] is my terminology, not Ormiston's. Unit is 27.5 feet thick.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; limestone

• Bioherms known from this formation.
• Section: "On northern Bathurst Island, the B.F. Fm. consists of light to dark brown, finely crystalline, medium-bedded, fossiliferous limestone interbedded with brown, medium to coarsly crystalline, bioclastic limestone and grey calcareous shale." This unit: "Limestone: purplish brown, finely crystalline, med. to thin-bedded..."

Size class: macrofossils

Primary reference: A. R. Ormiston. 1967. Lower and Middle Devonian trilobites of the Canadian arctic islands. Geological Survey of Canada Bulletin 153:1-148 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 26620: authorized by Michael Foote, entered by Michael Foote on 18.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Proetidae
"Dechenella maclareni" = Dechenella (Dechenella) maclareni
"Dechenella maclareni" = Dechenella (Dechenella) maclareni Ormiston 1967 trilobite