GSC loc. 57962, Unit 42, Storm Creek Section, Opal Mbr, Mount Head Fm (Carboniferous of Canada)

Where: Alberta, Canada (50.6° N, 115.0° W: paleocoordinates 5.4° N, 40.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Opal Member (Mount Head Formation), Meramecian (343.0 - 335.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, fine-grained, medium, coarse, shelly/skeletal, gray, argillaceous limestone

• Unit 42: "Limestone, skeletal-micritic; medium dark grey, weathers medium light grey; many thin argillaceous partings; dominantly fine to coarse-grained skeletal detritus derived from echinoderms, brachiopods, and fenestrate bryozoans; thin- to thick-bedded."

•

•No descriptions of individual beds within this unit.

Reposited in the GSC

Primary reference: R. W. MacQueen and E. W. Bamber. 1968. Stratigraphy and facies relationships of the upper Mississippian Mount Head Formation, Rocky Mountains and foothills, southwestern Alberta. Bulletin of Canadian Petroleum Geology 16(3):225-287 [N. Heim/N. Heim]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 62589: authorized by Noel Heim, entered by Noel Heim on 24.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Spiriferida - Spiriferidae
Spirifer cf. pellaensis
 Rhynchonellida -
Rhynchonellida indet.
Rhynchonellida indet. Kuhn 1949
rhynchonellid brachiopod
Strophomenata
 Productida -
Productida indet.
Productida indet. Sarycheva and Sokolskaya 1959
productoid brachiopod
 Productida - Echinoconchidae
Echinoconchus sp., Echinoconchus biseriatus
Stenolaemata
 Fenestrata -
Fenestrata indet.
Fenestrata indet. Elias and Condra 1957
fenestrate bryozoans
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
gastreopd indet.