Solvik Formation

Last updated
Solvik Formation
Stratigraphic range: Early Llandovery (Silurian) [1]
Type Geological formation
Sub-units
  • Myren Member [1]
  • Spirodden Member [1]
  • Leangen Member [1]
  • Padda Member [1]
Location
Country Norway

The Solvik Formation is a geologic formation in the central Oslo Region of Norway. [1] It preserves fossils dating back to the early Silurian period. [1]

Contents

Fossil content

Brachiopods
GenusSpeciesPresenceMaterialNotesImages
?Anabaria Leangen Member. [2] 2 valves. [2]
Atrypina Leangen Member. [2] 2 shells. [2]
?Becscia ?B. pentagonaBasal Myren Member. [2]
Clintonella C. aprinis"32.5 m above the base of the Leangen Member". [2] Molds. [2]
Cryptothyrella Top of the Leangen Member at Jongsåsveien. [2] A pedicle valve. [2]
Eisaella E. minutaUpper Myren Member and Leangen Member. [2]
E. uniplicata"From basal Myren Member up to 55 m above the base". [2]
?Glassia ?G. sp."Only one well-preserved specimen (PMO 87.601)". [2]
Hindella H. kiaeri* 3–4 meters above the base of the formation at one locality at Bekkestua, in Bærum. [2]
  • 3 meters and 8 meters above the base of the formation at Konglungø and Vakås, respectively. [2]
Also occurs in the Langara Formation.
Meifodia M. prima ovalis"Uppermost Myren and the lower parts of Padda members". [2]
M. prima primaNear the base of the formation. [2] A atrypid.
M. subundataMiddle part of the formation. [3] A atrypid.
Thulatrypa T. gregariaUppermost Leangen Member. [2]
T. huangiLeangen Member. [2]
T. vikenensis"8–10 m above the base of the Myren Member". [2]
?T. sp.Leangbukta and Skytterveien. [2] "PMO 113.698 (brachial mold), 153.873 (sectioned), 158.222, and 158.610, all whole valves". [2] A new species, may be assigned to another genus if more material becomes available.
Shelvothyris S. bivittata11 meters above the base of the Leangen Member. [2]

See also

References

  1. 1 2 3 4 5 6 7 Baarli, B. Gudveig. "The stratigraphy and sedimentology of the early Llandovery Solvik Formation in the central Oslo Region, Norway". Norsk Geologisk Tidsskrift.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Baarli, B. Gudveig (2021-08-16). "The smooth, spire-bearing brachiopods after the terminal Ordovician extinction through lower Llandovery in the central Oslo region, Norway". Journal of Paleontology. 96 (1): 81–111. doi:10.1017/jpa.2021.72. ISSN   0022-3360.
  3. ↑ Copper, Paul (September 1995). "Five new genera of Late Ordovician-Early Silurian brachiopods from Anticosti Island, eastern Canada" . Journal of Paleontology. 69 (5): 846–862. doi:10.1017/s0022336000035526. ISSN   0022-3360.


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