Earth:Solvik Formation

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Solvik Formation
Stratigraphic range: Early Llandovery (Silurian)[1]
TypeGeological 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]

Fossil content

Brachiopods
Genus Species Presence Material Notes Images
?Anabaria Leangen Member.[2] 2 valves.[2]
Atrypina Leangen Member.[2] 2 shells.[2]
?Becscia ?B. pentagona Basal 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. minuta Upper 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 prima Near the base of the formation.[2] A atrypid.
M. subundata Middle part of the formation.[3] A atrypid.
Thulatrypa T. gregaria Uppermost Leangen Member.[2]
T. huangi Leangen 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. bivittata 11 meters above the base of the Leangen Member.[2]

See also

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Baarli, B. Gudveig. "The stratigraphy and sedimentology of the early Llandovery Solvik Formation in the central Oslo Region, Norway". Norsk Geologisk Tidsskrift. https://www.academia.edu/48173665/The_stratigraphy_and_sedimentology_of_the_early_Llandovery_Solvik_Formation_in_the_central_Oslo_Region_Norway. 
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 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. https://ur.booksc.me/book/47912531/7f1efd.