Gething Formation

Gething Formation
Stratigraphic range: Barremian-early Albian

Gething Formation exposed in the Peace River Canyon
Type Geological formation
Unit of Bullhead Group
Underlies Fort St. John Group, Bluesky Formation
Overlies Cadomin Formation
Thickness up to 550 metres (1,800 ft)[1]
Lithology
Primary Conglomerate, sandstone
Other Coal, siltstone, shale
Location
Named for Gething Creek, Gething Mountain
Named by McLearn, F.H., 1923
Region Canadian Rockies foothills, western Alberta, north-eastern British Columbia
Country  Canada

Gething Formation is a stratigraphical unit of Lower Cretaceous age in the Western Canadian Sedimentary Basin.

It was first described in the Peace River Canyon by F.H. McLearn in 1923[2]. The canyon was partly inundated in 1968 by the Williston Lake after the construction of the W. A. C. Bennett Dam. The Formation is named for Gething Creek, a right tributary of the Peace River east of Hudson's Hope and the nearby Gething Mountain.

Contents

Lithology

The formation is composed of conglomerate, conglomeratic sandstone, sandstone, coal and marine siltstone and shale.

Dinosaur tracks can be found in the formation.[1]

Distribution

The Gething Formation is found in the Peace River and Smoky River areas of western Alberta. In the Peace River Country, it reaches a thickness of 550 meters (1,800 ft), while in the Smoky River area it is 75 meters (246 ft) thick. It is also present in the Canadian Rockies foothills, where it can reach 1,000 meters (3,300 ft) near Carbon Creek.

Relationship to other units

The Gething Formation overlies the Cadomin Formation and is disconformably overlain by Fort St. John Group or the Bluesky Formation. It can be correlated with the Gladstone Formation in the southern foothills, and is equivalent with the tar sand bearing McMurray Formation mined in the Athabasca Oil Sands.

References

  1. ^ a b Lexicon of Canadian Geologic Units. "Gething Formation". http://cgkn1.cgkn.net/weblex/weblex_litho_detail_e.pl?00053:005533. Retrieved 2009-02-07. 
  2. ^ McLearn, F.H., 1923. Peace River Canyon Coal Area, British Columbia; Geological Survey of Canada, Summary Report 1922, Part B, pp. 1-46.