Zur Frage über die Ursachen geotektonischer Bewegungen

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Zur Thermodynamik der Orogenese

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I. Erdöl Ergebnisse der erdölgeologischen Erforschung Nordwestdeutschlands 1932–1947, ein Überblick

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On the hemispheric correlations of vertical and meridional wind components

Summary Using the values of vertical velocities computed byJensen (1960) and the values of the meridional component of the wind for the months of January and April 1958, the covariances of both quantities were evaluated at different levels at various latitudes. These covariances are tabulated and the terms associated with transient eddies are compared to the standing eddy terms, the relative magnitudes of both contributions being finally investigated.

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Résumé En employant les valeurs du mouvement vertical calculées parJensen (1960) et les valeurs des composantes méridionales des vents pour les mois de Janvier et Avril 1958, les covariances des deux quantités ont été evaluées aux différents niveaux dans différentes latitudes. Ces covariances sont tabulées et les valeurs associées aux perturbations transientes et stationnaires sont comparées afin de donner un aperçu sur l'importance relative des deux procès.

     

Deep-sea trace fossils from the mixed carbonate-siliciclastic flysch of the Monte Antola Formation (Late Campanian-Maastrichtian), North Apennines, Italy

Twenty one ichnogenera and 30 ichnospecies are recognized in the Late Campanian – Maastrichtian Monte Antola Formation of Italy, most of them for the first time. They belong to a specific mixture of the Nereites and Ophiomorpha rudis ichnosubfacies of the Nereites ichnofacies. Composition and abundance of trace fossils vary from outcrop to outcrop. Chondrites intricatus, Ch. targionii, Nereites irregularis, Cladichnus fischeri and Trichichnus linearis are most common. Chondrites patulus, Ophiomorpha recta and “Spirophycus” bicornis trace fossils are less common in outcrops, and the other trace fossils are rare or very rare. Generally, ichnogeneric diversity in Cretaceous–Cainozoic calcareous and mixed siliciclastic-calcareous flysch deposits is distinctly lower than in siliciclastic flysch. Significantly, the foremost pre-depositional forms are distinctly rare, probably due to preservational and depositional factors.