• Source: Gog Group

The Gog Group is a stratigraphic unit in the Western Canada Sedimentary Basin. It is present in the eastern and western main ranges of the Canadian Rockies in Alberta and British Columbia. It was named by C.F. Deiss in 1940 after Gog Lake near its type locality at Wonder Pass near Mount Assiniboine.




Lithology and environment of deposition


The Gog Group consists primarily of thick deposits of cross-bedded quartzose sandstone and quartzite, with minor quartzitic conglomerate and sub-arkosic sandstone. It also includes mudstone, siltstone, limestone and dolomite formations. The Gog sediments are thought to have been deposited in shallow marine environments on the subsiding margin of the North American craton (Laurentia).




Stratigraphy






= Subdivisions

=
The Gog Group is subdivided into the following formations:



Jasper area (north)




Kicking Horse Pass area (south)





Paleontology


Trace fossils such as Skolithos, Cruziana, Diplocraterion, Chondrites, Planolites, Rusophycus and others are abundant in the Gog Group sediments, and Early Cambrian trilobites of the genus Olenellus are found in the Peyto Formation limestones at the top of the Group. Small archaeocyathid bioherms have been reported from the base of the Mahato Formation, and archaeocyathids, salterellids, primitive brachiopods and echinoderms have been reported from the Mural Formation.




See also



List of fossiliferous stratigraphic units in Alberta
Big Rock (glacial erratic)
Foothills Erratics Train




References

Kata Kunci Pencarian:

• Gog (disambiguasi)
• Kota Surabaya
• CD Projekt Red
• Daftar keturunan Nuh
• Indeks FTSE 250
• Steam
• Aleksander Agung
• Naskah Laut Mati
• The Witcher 3: Wild Hunt
• Rumpun bahasa Kaukasus Timur Laut
• Gog Group
• Gog and Magog
• Gog
• GOG.com
• Gynecologic Oncology Group
• Gog (DC Comics)
• Okotoks Erratic
• Gogs
• GOG Håndbold
• Cambrian explosion