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 | |
Minerisporites macroreticulatus clubmoss | |
Rhynchonellata | |
"Thomsonia phyllicus" = Coptothyris
"Thomsonia phyllicus" = Coptothyris |