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Autor:
June E. Rapson
Publikováno v:
AAPG Bulletin. 49
Late Jurassic and early Cretaceous sediments in the southern Rocky Mountain region consist of three lithologic divisions; in ascending order these are: (1) the Fernie Formation, consisting mainly of shale of Jurassic age, (2) the Kootenay Formation,
Autor:
June E. Rapson
Publikováno v:
SEPM Journal of Sedimentary Research. 32
Chert sharpstone breccias are preserved in some stratigraphic sections of the Kananaskis Formation (Pennsylvanian) of the Rocky Mountain Group in the Banff area, Alberta. The breccias incorporate, or occur immediately above, or above and below, an or
Autor:
June E. Rapson
Publikováno v:
AAPG Bulletin. 48
Coarse-grained clastic rocks at the top of the Kootenay formation and the base of the Blairmore group are transitional between the Jurassic and Cretaceous systems in the westerly regions of the area. The subsurface equivalents in the easterly regions