Abstract
Abstract. The section at Kärlich is one of the most important localities in Germany where Pleistocene fluvial sand and gravel as well as loess and loess derivatives are exposed. Based on recent geological investigations the stratigraphy of the cover sediments and the local stratigraphic correlations have to be reinterpreted. Our investigations indicate that: 1. The correlation of Unit "Abschnitt" A with the Jaramillo event is under discussion. It ist likely that Unit A is younger and hence, correlated with the Bavelium Complex. 2.The Quaternary volcanism of the East Eifel Volcanic Field began during the interglacial which tops Unit F. However, the volcanism of the West Eifel Volcanic Field began much earlier, most likeley during the Matuyama chron. 3. There are no further subunits in Unit G, as proposed by Razi Rad (1976), indicated by a dominance of brown hornblende in the heavy mineral spectra for all sediments. 4. Unit H is subdivided into Unit H-lower part and Unit H-upper part by a marked unconformity.
Highlights
T h e correlation of Unit "Abschnitt" A with the Jaramillo event is under discussion
Unit H is subdivided into Unit H-lower part and Unit H-upper part by a marked unconformity
T h e two interglacials are separated by at least o n e cold phase or interstadial
Summary
Die Sedimente des Abschnitts A (Abb. 3) werden als Rinnenablagerungen, eingetieft in den ter tiären Rnubbletten, beschrieben (MORDZIOI 1930, FRECHEN & VTLLWOCK 1959, BRUNNACKER et al 1969, Koci et al 1973, BOENIGK 1978, FROMM 1987, B O E NIGK & FRECHEN 1998a). Zur Petrographie liegen aus den Sedimenten des Abschnitts A Geröllanalyscn von FRECHEN & VILLWOCK (1959), BRUNNACKER et al (1969), RAZI RAD (1976) und BOENIGK (1978) vor. Darüber hinaus wird bei BOENIGK & FRECHEN (1998) ein Moseleinfluß beschrieben, der mit einer geringen Pyroxenführung verbunden ist. Es bleibt jedoch auch die Möglichkeit, daß die gemessenen normalen magnetischen Feldrichtungen auf sekundäre Effekte zurückzu führen sind und dieses Interglazial des Abschnitts A in den Zeitraum zwischen Jaramillo-Event und Matuyama/Brunhes-Grenze einzustufen ist. Tab. 1: Gliederung des quartären Terrassenschot ters in Kärlich nach BRUNNACKER et al (1969) und BOENIGK et al (1974)
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