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Geological Society, London, Special Publications; 1996; v. 105; p. 185-194;
DOI: 10.1144/GSL.SP.1996.105.01.17
© 1996 Geological Society of London

Central Mediterranean and Carpathians

Magnetostratigraphy of Jurassic-Cretaceous limestones in the Western Carpathians

Václav Housa, Miroslav Krs, Marta Krsová & Petr Pruner

Geological Institute, Academy of Sciences of the Czech Republic, Rozvojová 135, 165 00 Prague 6 — Suchdol, Czech Republic

Magnetostratigraphic studies were carried out on limestones spanning the Tithonian-Berriasian boundary at Brodno (near the town of Zilina, west Slovakia) and Stramberk (north Moravia) in the Western Carpathians. The magnetic carrier in both sections was found to be magnetite. The observed pattern of normal and reverse polarity magnetozones corresponds well to magnetostratigraphic profiles in other areas of the Tethyan realm. Calpionellids are abundant in both profiles, while ammonites are almost completely missing. The base of the Calpionella zone, provisionally considered to represent the Jurassic-Cretaceous boundary in the Tethyan realm, was established in magnetozone M19n. The palaeolatitude of 27°N derived from the Brodno profile corresponds well to those derived from Jurassic rocks of the Krizná nappe, on the northern rim of the Inner Carpathians. A pronounced anticlockwise tectonic rotation of 124° is established.