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词条 Lynx Formation
释义

  1. Lithology

  2. Distribution

  3. Subdivisions

  4. Relationship to other units

  5. References

{{Infobox rockunit
| name = Lynx Formation (Group)
| image =
| imagesize =
| caption =
| type = Geological formation
| age = {{Fossil range|Late Cambrian|Late Cambrian|Dresbachian}}
| prilithology = Limestone
| otherlithology =
| namedfor = Lynx Mountain
| namedby = C.D. Walcott, 191`3
| region = WCSB
| country = {{flag|Canada}}
| coordinates = {{coord|53.1407|-119.0492|display=inline,title|name= Lynx Formation}}
| unitof =
| subunits =
| underlies = Survey Peak Formation
| overlies = Arctomys Formation
| thickness = up to {{convert|1220|m|ft|-1}}[1]
| extent =
| area =
| map =
| map_caption =
}}

The Lynx Formation or Lynx Group is a stratigraphical unit of Dresbachian age in the Western Canadian Sedimentary Basin.

It takes the name from the Lynx Mountain, a {{convert|3170|m|ft|sp=us}} peak in the Cushina Ridge on the continental divide, and was first described on its slopes, east of Mount Robson, in the Canadian Rockies of British Columbia by C.D. Walcott in 1913.[1] It was elevated to group status by J.D. Aitken and R.G. Greggs in 1967.[2]

Lithology

The Lynx Formation is composed of argillaceous and dolomitic limestone.

[3]

Distribution

The Lynx Formation Lateral reaches a maximum thickness of {{convert|1220|m|ft|-1}} in the continental ranges of the Canadian Rockies.[3] It reaches as far north as the Monkman Pass.

Subdivisions

  • Upper Lynx
    • Lyell Formation
    • Bison Creek Formation
    • Mistaya Formation
  • Lower Lynx
    • Waterfowl Formation
    • Sullivan Formation

Relationship to other units

The Lynx Formation is overlain by the Survey Peak Formation and gradationally overlays the Arctomys Formation.[3]

References

1. ^Walcott, C.D., 1913. Cambrian formations of the Robson Peak District, British Columbia and Alberta, Canada. Smithsonian Misc. Coll., v. 47, no. 12, p. 327-343.
2. ^Aitken, J. D and Greggs, R G., 1967 Upper Cambrian formations, southern Rocky Mountains of Alberta, an interim report. Geological Survey of Canada, Paper 66-49.
3. ^{{Cite web|url=http://cgkn1.cgkn.net/weblex/weblex_litho_detail_e.pl?00053:008882|title= Lynx Formation|author=Lexicon of Canadian Geologic Units |accessdate=2010-02-01}}
{{Western Canadian Sedimentary Basin|Canadian Rockies=yes}}

3 : Cambrian Alberta|Stratigraphy of British Columbia|Cambrian southern paleotropical deposits

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