Английская Википедия:Frænkelryggen Formation

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Шаблон:Infobox rockunit The Frænkelryggen Formation is a geologic formation in Svalbard, Norway. The fluvial sandstones and green shales preserve flora and early fish fossils dating back to the Lochkovian stage of the Early Devonian period.

Description

Defined at the Frænkelryggen mountain (Шаблон:Convert) by Kiaer in 1918,[1] the formation was originally described as Silurian,[2] later dating of the formation provided likely ages between 413.5 and 411 Ma, dating the formation to the Lochkovian stage of the Early Devonian.[3] The formation belongs to the Red Bay Group, conformably overlying the Andréebreen Formation and overlain conformably by the Ben Nevis Formation.[4]

The formation comprises sandstone and green shales deposited in a fluvial environment.

Fossil content

The Frænkelryggen Formation has provided fossils of:[2][5]

Vertebrates

Шаблон:Div col

Шаблон:Div col end

Flora

Шаблон:Div col

Шаблон:Div col end

See also

References

Шаблон:Reflist

Bibliography

Further reading

  1. Dallmann & Mørk, 1991, p.129
  2. 2,0 2,1 Red Bay Series at Fossilworks.org
  3. King & Rücklin, 2020, p.3
  4. Pernègre & Blieck, 2016, p.8
  5. Hoeg, 1942
  6. Blieck & Heintz, 1983, p.63
  7. Blieck & Heintz, 1983, p.51
  8. Blieck & Heintz, 1983, p.55
  9. Blieck & Heintz, 1983, p.57
  10. 10,0 10,1 Scott, 2011, p.126
  11. Scott, 2011, p.64