Where: Manitoba, Canada (56.6° N, 93.9° W: paleocoordinates 9.1° S, 52.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Member (Surprise Creek Formation), Maysvillian (450.2 - 449.6 Ma)

• "Two lithologic divisions are recognized on Nelson River (Lower Member and Upper Member). Exact correlation with members at the type section is uncertain."

•

•Was Edenian - Richmondian.

• member-level stratigraphic resolution

Environment/lithology: dolomitic, gray, cherty/siliceous limestone

Size class: macrofossils

Primary reference: S. J. Nelson. 1963. Ordovician paleontology of the Northern Hudson Bay lowland. Geological Society of America Memoir 90:1-152 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 23009: authorized by Steven Holland, entered by Tori Hanson on 08.07.2002

Creative Commons license: CC BY (attribution)