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Facies

, Volume 28, Issue 1, pp 257–276 | Cite as

The schulterkofel section in the Carnic Alps, Austria: Implications for the carboniferous-permian boundary

  • Franz Kahler
  • Karl Krainer
Article

Summary

The upper part of the LowerPseudoschwagerina Limestone (Rattendorf Group), outcropping on the northwestern flank of Schulterkofel Mountain, Carnic Alps (Austria) is described with special emphasis on fusulinid microfossils and facies. This fusulinid-rich section offers an ideal opportunity for biostratigraphy in defining the Permo-Carboniferous boundary in this region.

The LowerPseudoschwagerina Limestone is composed of shallow-marine limestones with intercalated thin siltstone and sandstone beds.

Fusulinid limestones are represented by two types of wackestones, both containing large quantities of smaller foraminifers. Fusulinid grainstones are rare. Limestones rich in fusulinids were found only within the bedded limestone facies in beds both below and especially above siliciclastic intercalations. This may indicate that the best living conditions for fusulinids existed immediately before and especially after the climax of a regressive phase (sea-level lowstand). The fusulinid limestones were deposited within a protected, shallow-marine shelf environment with normal salinity.

Pseudoschwagerinid fusulinids appear in the upper part of the LowerPseudoschwagerina Limestone, in samples SK 107d (undeterminable species) and SK 108, i.e. between 92 m and 93 m above the base of the section within a bedded limestone immediately above the uppermost clastic intercalation.

The fusulinid fauna is represented by about 30 species belonging to only a few genera. Species ofTriticites andRugosofusulina dominate, whereas those ofDaixina, Rugosochusenella andPseudofusulina are rare. A characteristic feature of the fauna is the strong similarity with fusulinid faunas described from Russia as well as from Middle and East Asia. Some of the described fusulinids are new for the Carnic Alps.

The first appearance ofPseudoschwagerina andOccidentoschwagerina (Occidentoschwagerina alpina Zone) in the upper part of the LowerPseudoschwagerina Limestone in the Schulterkofel section defines the position of the Carboniferous-Permian boundary.

Keywords

Biostratigraphy Carboniferous/Permian Boundary Section Fusulinids Microfacies Southern Alps Carnic Alps (Austria, Italy) Late Carboniferous to Early Permian Rattendorf Group LowerPseudoschwagerina Limestone 

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References Complete lists of the references concerning the fusulinids are found in the following catalogues:

  1. Kahler, F. & Kahler, G. (1965/1966): Fossilium Catalogus I Animalia Fusulinida (Foraminiferida), part 1–4, 934 pp., s'Gravenshage (Junk).Google Scholar
  2. Kahler, F. (1989): Die Fusuliniden.—In:Ebner, F. &Kahler, F. (1989): Catalogus Fossilium Austriae, Vol.II/B/1: Foraminifera Palaeozoica, 87–272. Register (F. Ebner) p. 273–295, Wien (Österr. Akad. Wiss.).Google Scholar

Additional references

  1. Boeckelmann, K. (1985): Mikrofazies der Auernig-Schichten und Grenzland-Bänke westlich des Rudnig-Sattels (Karbon-Perm; Kamische Alpen).—Facies13, 155–174, Pls. 21–23, 3 Figs., ErlangenCrossRefGoogle Scholar
  2. Buggisch, W., Flügel, E., Leitz, F. &Tietz, G.-F. (1976): Die fazielle und paläogeographische Entwicklung im Perm der Karnischen Alpen und in den Randgebieten.—Geol. Rundschau65, 649–690, 19 Figs., 4 Tabs., StuttgartCrossRefGoogle Scholar
  3. Buttersack, E. &Boeckelmann, K. (1984): Palaeoenvironmental Evolution during the Upper Carboniferous and the Permian in the Schulter—Trogkofel Area (Carnic Alps, Northern Italy).— Jb. Geol. Bundesanst.126, 349–358, 11 Figs., 3 Tabs., WienGoogle Scholar
  4. Felser, K.O. &Kahler, F. (1963): Die Geologie der Rattendorfer Alm (Karnische Alpen).—Carinthia II,153/73, 72–90, KlagenfurtGoogle Scholar
  5. Flügel, E. (1968): Bericht über fazielle und stratigraphische Untersuchungen im Perm der Karnischen Alpen.—Carinthia II,158/78, 38–65, KlagenfurtGoogle Scholar
  6. Flügel, E. (1971): Palökologische Interpretation des Zottachkopf-Profiles mit Hilfe von Kleinforaminiferen (Oberer Pseudoschwagerinen-Kalk, unteres Perm: Karnische Alpen).—Carinthia II, Spec. Vol.28, Kahler-Festschrift, 61–96, KlagenfurtGoogle Scholar
  7. — (1974): Fazies-Interpretation der unterpermischen Sedimente in den Karnischen Alpen.—Carinthia II,164/84, 43–62, KlagenfurtGoogle Scholar
  8. Flügel, E. Environmental models for Upper Paleozoic benthic calcareous algal communities.—In:Flügel, E. (ed.) Fossil Algae, 314–341, 3 Pls., 3 Figs., 8 Tabs., Berlin (Springer)Google Scholar
  9. — (1987): Reef Mound Entstehung: Algen-Mounds im Unterperm der Karnischen Alpen.—Facies17, 73–90, Pls. 7-9,4 Figs., ErlangenCrossRefGoogle Scholar
  10. Flügel, E., Homann, W. &Tietz, G.-F. (1971): Litho-und Biofazies eines detailprofils in den Oberen Pseudoschwagerinen-Schichten (Unter-Perm) der Karnischen Alpen.—Verh. Geol. Bundesant.1971, 10–42, WienGoogle Scholar
  11. Homann, W. (1969): Fazielle Gliederung der Unteren Pseudoschwagerinenkalke (Unter-Perm) der Karnischen Alpen.—N. Jb. Geol. Paläont. Mh.,1969, 265–280, StuttgartGoogle Scholar
  12. — (1971): Korallen aus dem Unter- und Mittel-Perm der Karnischen Alpen.—Carinthia II, Sonderheft,28, 97–143, 4 Pls., 1 Fig., KlagenfurtGoogle Scholar
  13. — (1972): Unter- und tief-mittelpermische Kalkalgen aus den Rattendorfer Schichten, dem Trogkofel-Kalk und dem Treßdorfer Kalk der Karnischen Alpen (Österreich).—Senck. leth.,53, 135–313, FrankfurtGoogle Scholar
  14. Kahler, F. (1974): Fusuliniden aus Tien-schan und Tibet. Mit Gedanken zur Geschichte der Fusuliniden-Meere im Perm.— Rep. Scient. Exped. North-West Provinces China, Sino-Swedish Expedition, Publ.,52, V, Invertebrate Paleontology, 4, 148 pp., 2 Pls., Stockholm (Sven Hedin Foundation)Google Scholar
  15. — (1980): Fusuliniden aus den Kalken der Trogkofel-Schichten der Karnischen Alpen.—Carinthia II, Spec. Vol.36, 183–254, 9 Pls., KlagenfurtGoogle Scholar
  16. — (1983a): Fusuliniden aus Karbon und Perm der Karnischen Alpen und der Karawanken.—Carinthia II, Spec. Vol.41, 1–107, 11 Pls., KlagenfurtGoogle Scholar
  17. — (1983b): Ein denkbares Standardprofil für die Grenze Oberkarbon/Unterperm im marinen Bereich.—Anz. Österr. Akad. Wiss., math.-naturwiss. Kl.,1983, 45–46, WienGoogle Scholar
  18. — (1985): Oberkarbon und Unterperm der Karnischen Alpen. Ihre Biostratigraphie mit Hilfe der Fusuliniden.—Carinthia II. Spec. Vol.42, 1–92, 11 Pls., KlagenfurtGoogle Scholar
  19. — (1986): Ein Normalprofil der Fusuliniden-Stratigraphie im Oberkarbon und Unterperm der Karnischen Alpen.—Carinthia II,176/96, 1–17, 2 Tabs., KlagenfurtGoogle Scholar
  20. — (1988): Beobachtungen über Lebensweise, Schalenbau und Einbettung jungpaläozoischer Großforaminiferen (Fusuliniden).—Facies19, 129–170, 88 Figs., ErlangenCrossRefGoogle Scholar
  21. — (1992): Beziehungen der Fusuliniden der Karnischen Alpen zur Paläotethys.—Mitt. österr. geol. Ges.,84 (1991), 309–326, 1 Tab. WienGoogle Scholar
  22. Kahler, F. &Kahler, G. (1937): Beiträge zur Kenntnis der Fusuliniden der Ostalpen: Pseudoschwagerinen der Grenzlandbänke und des Oberen Pseudoschwagerinen-Kalkes.— Palaeontographica, A,87, 1–44, StuttgartGoogle Scholar
  23. Kahler, F. &Kahler, G. (1941): Beiträge zur Kenntnis der Fusuliniden der Ostalpen: Die GattungPseudoschwagerina und ihre Vertreter im Unteren Schwagerinen-Kalk und im Trogkofel-Kalk.—Palaeontographica, A,92, 60–98, StuttgartGoogle Scholar
  24. Kahler, F., Heritsch, F. & Metz, K. (1933): Die Schichtfolge von Oberkarbon und Unterperm.—In:Heritsch, F. (1933): Die Stratigraphie von Oberkarbon un Unterperm in den Karnischen Alpen.—Mitt. geol. Ges. Wien,26, 162–189, WienGoogle Scholar
  25. Kochansky-Devidé V. (1973):Ramovsia limes n.g.n.sp. (Problematica), ein Leitfossil der Grenzlandbänke (unteres Perm).—N. Jb. Geol. Paläont. Mh.,1973/8, 462–468, StuttgartGoogle Scholar
  26. Krainer, K. (1992): Fazies, Sedimentationsprozesse und Paläogeographie im Karbon der Ost- und Südalpen.—Jb. Geol. Bundesanst.135, 99–193, WienGoogle Scholar
  27. Massari, F., Pesavento, M. &Venturini, C. (1991): The Permian-Carboniferous cyclothemes of the Pramollo Basin sequence (Carnic Alps).—Giorn. Geol., ser. 3a, vol.53/1, 171–185, BolognaGoogle Scholar
  28. Massari, F. & Venturini, C. (1990): The significance of the Auernig Group cyclicity.—In:Venturini, C. (ed.): Field Workshop on Carboniferous to Permian Sequence of the Pramollo-Nassfeld Basin (Carnic Alps), September 2–8, 1990, Guidebook, 81–86.Google Scholar
  29. Venturini, C. (1982): Il bacino tardoercinico di Pramollo (Alpi Carniche): Un evoluzione regolata dalla tettonica sinsedimentaria. —Mem. Soc. Geol. Ital.,24, 23–42, RomaGoogle Scholar
  30. — (1991): Introduction to the geology of the Pramollo Basin (Carnic Alps) and its surroundings.—Giorn. Geol., ser. 3a, vol.53/1, 13–47, BolognaGoogle Scholar
  31. Venturini, C. (ed.) (1990): Field Workshop on Carboniferous to Permian Sequence of the Pramollo-Nassfeld Basin (Carnic Alps), September 2–8, 1990, Guidebook, 1–159, UdineGoogle Scholar
  32. Watanabe, K. (1991): Fusuline biostratigraphy of the Uppe Carboniferous and Lower Permian of Japan, with special reference to the Carboniferous-Permian boundary.—Palaeont. Soc. Japan, Spec. Paper,32, 1–150, FukuokaGoogle Scholar

Copyright information

© Institut für Palaentologie, Universitat Erlangen 1993

Authors and Affiliations

  • Franz Kahler
    • 1
  • Karl Krainer
    • 2
  1. 1.Klagenfurt
  2. 2.Institut für Geologie und Paläontologie, UniversitätInnsbruck

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