Type formation of Ghost River, Alberta (Devonian to of Canada)

Where: Alberta, Canada (51.3° N, 115.4° W: paleocoordinates 10.7° S, 44.0° W)

• coordinate based on nearby landmark

When: Ghost River Formation, Late/Upper Devonian to Late/Upper Devonian (382.7 - 358.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, green dolomite and green shale

• The sedimentary environment appears to have been quiet, near-shore, shallow, and marine to brackish.
• ..the Ghost River formation at its type locality be restricted to a thickness of 145 ft., consisting of an interbedded and variable sequence of red and green dolomitic shales, together with buff weathering, pale brown, and green-gray dolomites.

Size classes: macrofossils, mesofossils, microfossils

Preservation: adpression, replaced with dolomite

Collection methods: quarrying,

Primary reference: R. G. Greggs, D. C. McGregor, and G. E. Rouse. 1962. Devonian plants from the Type section of the Ghost River formation fo Western Alberta. Science 135:930-931 [W. Stein/D. Horvath/D. Horvath]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23275: authorized by Bill Stein, entered by Dylan Horvath on 11.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Svalbardia indet.
isolated sporangia, sporangiferous branches
Platyphyllum
  -
"Platyphyllum indet." = Flabellofolium
"Platyphyllum indet." = Flabellofolium Stone 1973
laminae
Retusotriletes
  -
Retusotriletes sp. Naumova 1953
Pteridopsida
  -
Leiotriletes sp. Potonie and Kremp 1954
Punctatisporites
  -
Punctatisporites sp. PotoniƩ and Kremp 1954