Flume Formation: Difference between revisions
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The '''Flume Formation''' is a [[Formation (geology)|geologic formation]] in the [[Western Canadian Sedimentary Basin|Western Canada Sedimentary Basin]] in [[Alberta]], [[Canada]]. It was deposited as an extensive [[carbonate platform]] along the western edge of the basin during [[Late Devonian]] ([[Frasnian]]) time and the [[reefs]] of the [[Cairn Formation]] subsequently developed on it.<ref name=Mossop12>{{Cite web|url=http://www.ags.gov.ab.ca/publications/wcsb_atlas/a_ch12/ch_12.html|title=The Geological Atlas of the Western Canada Sedimentary Basin, Chapter 12: Devonian Woodbend-Winterburn strata of the Western Canada Sedimentary Basin|author=Mossop, G.D. and Shetsen, I., (compilers), Canadian Society of Petroleum Geologists and Alberta Geological Survey|year=1994|accessdate=2014-10-17}}</ref><ref name=Glass>Glass, D.J. (editor) 1997. Lexicon of Canadian Stratigraphy, vol. 4, Western Canada including eastern British Columbia, Alberta, Saskatchewan and southern Manitoba. Canadian Society of Petroleum Geologists, Calgary, 1423 p. on CD-ROM. {{ISBN|0-920230-23-7}}.</ref> |
The '''Flume Formation''' is a [[Formation (geology)|geologic formation]] in the [[Western Canadian Sedimentary Basin|Western Canada Sedimentary Basin]] in [[Alberta]], [[Canada]]. It was deposited as an extensive [[carbonate platform]] along the western edge of the basin during [[Late Devonian]] ([[Frasnian]]) time and the [[reefs]] of the [[Cairn Formation]] subsequently developed on it.<ref name=Mossop12>{{Cite web|url=http://www.ags.gov.ab.ca/publications/wcsb_atlas/a_ch12/ch_12.html|title=The Geological Atlas of the Western Canada Sedimentary Basin, Chapter 12: Devonian Woodbend-Winterburn strata of the Western Canada Sedimentary Basin|author=Mossop, G.D. and Shetsen, I., (compilers), Canadian Society of Petroleum Geologists and Alberta Geological Survey|year=1994|accessdate=2014-10-17|deadurl=yes|archiveurl=https://web.archive.org/web/20141018110640/http://www.ags.gov.ab.ca/publications/wcsb_atlas/a_ch12/ch_12.html|archivedate=2014-10-18|df=}}</ref><ref name=Glass>Glass, D.J. (editor) 1997. Lexicon of Canadian Stratigraphy, vol. 4, Western Canada including eastern British Columbia, Alberta, Saskatchewan and southern Manitoba. Canadian Society of Petroleum Geologists, Calgary, 1423 p. on CD-ROM. {{ISBN|0-920230-23-7}}.</ref> |
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==Lithology== |
==Lithology== |
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==References== |
==References== |
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{{Reflist}} |
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* {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= Various Contributors to the Paleobiology Database|url= http://www.fossilworks.org/|accessdate= 8 July 2014}} |
* {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= Various Contributors to the Paleobiology Database|url= http://www.fossilworks.org/|accessdate= 8 July 2014|deadurl= yes|archiveurl= https://web.archive.org/web/20140731140924/http://fossilworks.org/|archivedate= 31 July 2014|df= }} |
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{{Western Canadian Sedimentary Basin|Canadian Rockies=yes}} |
{{Western Canadian Sedimentary Basin|Canadian Rockies=yes}} |
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Revision as of 22:59, 2 October 2017
| Flume Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Unit of | Fairholme Group |
| Underlies | Cairn Formation |
| Overlies | Cambrian or Ordovician formations, or Yahatinda Formation |
| Thickness | Up to 125 m (410 ft) |
| Lithology | |
| Primary | Dolostone |
| Other | Chert, limestone |
| Location | |
| Coordinates | 53°10′N 117°55′W / 53.167°N 117.917°W |
| Region |  Alberta |
| Country |  Canada |
| Type section | |
| Named by | P.E. Raymond, 1930[1] |
The Flume Formation is a geologic formation in the Western Canada Sedimentary Basin in Alberta, Canada. It was deposited as an extensive carbonate platform along the western edge of the basin during Late Devonian (Frasnian) time and the reefs of the Cairn Formation subsequently developed on it.[2][3]
Lithology
The Flume Formation was deposited as limestone, but it was strongly dolomitized during diagenesis, and it now consists primarily of dark grey, medium-to thick-bedded, fine to medium crystalline dolostone. It includes abundant dark grey chert nodules and stringers, as well as scattered stromatoporoids and Amphipora. It is distinguished from the overlying Cairn Formation by its higher chert content and lower fossil content. In areas where it is overlain by Cairn Formation reefs the Flume may be classified as the lower member of the Cairn Formation, but where the Cairn is absent the Flume has formation rank.[3]
Thickness and Distribution
The Flume Formation reaches thicknesses of up to 125 m (410 ft).[3] It has been exposed by thrust faulting in the main and front ranges of the Canadian Rockies in a belt extending from Kakwa Lake in northeastern British Columbia to south of the Bow River in Alberta.[2][3]
Relationship to Other Units
The Flume Formation rests unconformably on formations of late Cambrian to Ordovician age or, in parts of the mountains and foothills, on the Middle Devonian Yahatinda Formation. It is conformably overlain by the reefs of the Cairn Formation, or where they are absent, by the Southesk Formation. It is equivalent in part to the upper Beaverhill Lake Group farther to the east.[3]
See also
References
- ^ Raymond, P.E. 1930. The Paleozoic Formations in Jasper Park, Alberta. American Journal of Science, 5th series, vol. 20, p. 289-300.
- ^ a b Mossop, G.D. and Shetsen, I., (compilers), Canadian Society of Petroleum Geologists and Alberta Geological Survey (1994). "The Geological Atlas of the Western Canada Sedimentary Basin, Chapter 12: Devonian Woodbend-Winterburn strata of the Western Canada Sedimentary Basin". Archived from the original on 2014-10-18. Retrieved 2014-10-17.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help)CS1 maint: multiple names: authors list (link) - ^ a b c d e Glass, D.J. (editor) 1997. Lexicon of Canadian Stratigraphy, vol. 4, Western Canada including eastern British Columbia, Alberta, Saskatchewan and southern Manitoba. Canadian Society of Petroleum Geologists, Calgary, 1423 p. on CD-ROM. ISBN 0-920230-23-7.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
{{cite web}}:|author=has generic name (help); Unknown parameter|deadurl=ignored (|url-status=suggested) (help)