IW No. 1 well-1791-1801ft (Cretaceous to of Canada)

Also known as Imperial Willingdon No. 1 well, depth 1791-1801 feet

Where: Alberta, Canada (53.7° N, 112.1° W: paleocoordinates 53.4° N, 63.5° W)

• coordinate estimated from map

When: Grand Rapids Formation (Mannville Group), Middle Albian to Middle Albian (109.0 - 99.6 Ma)

Environment/lithology:

Size class: microfossils

Preservation: original sporopollenin

Collection methods: core, chemical, sieve,

• Singh states that samples were sieved with a 100um seive, but that the residue in the sieve was scanned for identifiable specimens, thus no sieve size is entered.

Primary reference: C. Singh. 1964. Microflora of the Lower Cretaceous Mannville Group. Bulletin of the Alberta Research Council 15:1-239 [R. Lupia/R. Lupia/R. Lupia]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 31661: authorized by Rick Lupia, entered by Brooke Wilborn on 21.05.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Lycopodiopsida
 Isoetales -
Rhynchonellata
 Terebratulida - Terebrataliidae
"Thomsonia phyllicus" = Coptothyris
"Thomsonia phyllicus" = Coptothyris