Also known as Field No. 16, Bed 36
Where: Northwest Territories, Canada (67.9° N, 135.4° W: paleocoordinates 70.6° N, 65.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Lower Member (Mount Goodenough Formation), Barremian (129.4 - 125.0 Ma)
• 140-150 ft of shale, 888-952 ft above base of section; from Crioceras cf. remondi biozone; classified as "lower member" of "upper shale-siltstone division" in Jeletzky (1958); reassigned to "Mount Goodenough Formation" following Fowler and Braun (1993). Both Jeletzky (1958) and Fowler and Braun (1993) assign this biozone to a Barremian age.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, concretionary, black, brown, gray, silty shale and sandy shale
Size class: macrofossils
Preservation: concretion
Reposited in the GSC
Collection methods: surface (float),
• Collected by Jeletzky; presumably reposited in GSC collections
Primary reference: J. A. Jeletzky. 1958. Uppermost Jurassic and Cretaceous rocks of Aklavik Range, Northeastern Richardson Mountains, Northwest Territories. Geological Survey of Canada, Paper 58(2):1-84 [A. Miller/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 55838: authorized by Austin Hendy, entered by Austin Hendy on 06.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Pleuromya sp. Meek 1873 clam | |
Inoceramus sp. Sowerby 1814 clam | |
Cephalopoda | |
cf. Aulacoteuthis sp. belemnite | |
"Crioceras (Hoplocrioceras) cf. remondi" = Ancyloceras remondi
"Crioceras (Hoplocrioceras) cf. remondi" = Ancyloceras remondi Gabb 1864 ammonite | |
"Crioceras (? Shasticrioceras) sp." = Crioceratites, "Crioceras (? Crioceras) sp." = Crioceratites
"Crioceras (? Shasticrioceras) sp." = Crioceratites Leveillé 1837 ammonite
"Crioceras (? Crioceras) sp." = Crioceratites Leveillé 1837 ammonite |