Paleomagnetism of the Kvarner islands, Yugoslavia

E. Márton, V. Milicevic, D. Veljovic

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Nearly 400 samples were drilled at 44 localities from Cretaceous and Eocene carbonates and Eocene flysch, all in para-autochthonous position. As a result of thermal cleaning most of the Cretaceous localities yielded statistically well-defined mean directions. Thus overall means were calculated for the Cretaceous of Cres and Krk islands, respectively (Cres, six localities: D = 308°, I = 45°, k = 26, α95 = 13.3°, Dc = 330°, Ic = 48°, k = 33, α95 = 11.9°; Krk, seven localities: D = 342°, I = 42°, k = 12, α95 = 17.8°, Dc = 348°, Ic = 48°, k = 26, α95 = 12.1°). These directions, corrected for tilt, agree well with those determined for rocks of similar age from the fold belt north of "autochthonous' Istria, the Trieste Karst and the Southern Alps, while exhibiting clockwise rotation of about 30° with respect to the rigid part of the Adriatic region. The natural remanent magnetization (NRM) of most of the Eocene sediments was either too weak to be cleaned properly or became erratic before characteristic remanent magnetization (ChRM) could be isolated. The mean directions of the Eocene localities with ChRM differ so much, both before and after tectonic correction, that an overall mean was not calculated. Despite the scatter, certain trends could be recognized. Counter-clockwise rotation characterizes most of the Eocene sites. The two sites in Krk with clockwise rotation may belong not to the Dalmatian but the High Karst zone.

Original languageEnglish
Pages (from-to)70-81
Number of pages12
JournalPhysics of the Earth and Planetary Interiors
Volume62
Issue number1-2
DOIs
Publication statusPublished - 1990

Fingerprint

Yugoslavia
paleomagnetism
Eocene
karst
magnetization
remanent magnetization
Cretaceous
counter rotation
natural remanent magnetization
cleaning
erratic
fold belt
tectonics
flysch
carbonates
sediments
tilt
rocks
trends
carbonate

ASJC Scopus subject areas

  • Geophysics
  • Space and Planetary Science
  • Physics and Astronomy (miscellaneous)
  • Astronomy and Astrophysics
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Paleomagnetism of the Kvarner islands, Yugoslavia. / Márton, E.; Milicevic, V.; Veljovic, D.

In: Physics of the Earth and Planetary Interiors, Vol. 62, No. 1-2, 1990, p. 70-81.

Research output: Contribution to journalArticle

Márton, E. ; Milicevic, V. ; Veljovic, D. / Paleomagnetism of the Kvarner islands, Yugoslavia. In: Physics of the Earth and Planetary Interiors. 1990 ; Vol. 62, No. 1-2. pp. 70-81.
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