Southern Manitoba, East Arm Dolomite, Redrock Rapids, Saskatchewan River, North (Silurian to of Canada)

Where: Manitoba, Canada (53.2° N, 99.3° W: paleocoordinates 10.0° S, 51.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: East Arm Dolomite Formation (Interlake Group), Telychian to Telychian (438.5 - 427.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: gray dolomite

• Environmental call by T. Hanson.
• Type section is dolomite, light olive-gray, very fine grained, thick to medium bedded, local concentric bedding caused by sediment-trapping algae, salt crystal moulds.

Size class: macrofossils

Primary reference: C. W. Stearn. 1956. Stratigraphy and palaeontology of the Interlake Group and Stonewall Formation of Southern Manitoba. Geological Survey of Canada Memoir 281:1-162 [S. Holland/T. Hanson/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 26681: authorized by Steven Holland, entered by Tori Hanson on 23.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Athyridida - Athyrididae
Meristospira dunbari
 Orthida - Hesperorthidae
Dolerorthis redrockensis
Ostracoda
 Leperditicopida - Isochilinidae
Dihogmochilina latimarginata