ammonites
Black Bear Ridge, Pardonet Formation, Unit 17, Sample 99CM14 (Triassic of Canada)

Where: British Columbia, Canada (56.1° N, 123.1° W: paleocoordinates 33.5° N, 52.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pardonet Formation, Alaunian (215.6 - 212.0 Ma)

• Middle Norian; Sample 99CM14 from Gibson&Edwards Unit 17, Zones: Postera (Conodont), Columbites II (Ammonoid)

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified, silty, carbonaceous limestone and lithified, dolomitic, calcareous siltstone

• The Pardonet Formation (140m) consists of carbonaceous silty limestone, calcareous and dolomitic siltstone and shale, and densely packed bioclastic grainstone beds.

Size class: macrofossils

Primary reference: M. J. Orchard, J. P. Zonneveld, M. J. Johns, C. A. McRoberts, M. R. Sandy, E. T. Tozer, and G. G. Carrelli. 2001. Fossil succession and sequence stratigraphy of the Upper Triassic of Black Bear Ridge, northeast British Columbia, a GSSP prospect for the Carnian-Norian boundary. . Albertiana 25:10-22 [W. Kiessling/S. Nurnberg/S. Nurnberg] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 47379: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 23.02.2005