Geologica Belgica

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Koen VAN NOTEN, Christoph HILGERS, Janos L. URAI & Manuel SINTUBIN

Late burial to early tectonic quartz veins in the periphery of the High-Ardenne slate belt (Rursee, north Eifel, Germany)

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Mots-clés : KEYWORDS: Lower Devonian, Variscides, quartz veining, bedding-parallel thrusting, Eifel.

Abstract

ABSTRACT. A detailed structural mapping and geometrical analysis of distinct bedding-(sub)perpendicular and bedding-parallel quartz veins has been performed in the northeastern part of the High-Ardenne slate belt (Rursee, North Eifel, Germany), with the aim to reconstruct the local fracturing/veining history. The structural relationship of these two types of veins as well as their relationship with cleavage, folds and faults allows attributing a pre- to early-Variscan age to these veins. The first type of veins is oriented (sub)perpendicular to bedding and consists of several, mutual cross-cutting generations, which clearly predate Variscan deformation. The second type of veins, bedding-parallel veins, post-dates the bedding-(sub)perpendicular veins and reflects bedding-parallel thrusting at the onset of Variscan deformation, predating folding. Subsequently, during progressive Variscan compression both types of veins were passively folded within characteristic, NW-vergent, overturned folds. Locally, due to flexural slip folding, reactivation along the bedding-parallel veins may have taken place.

To cite this article

Koen VAN NOTEN, Christoph HILGERS, Janos L. URAI & Manuel SINTUBIN, «Late burial to early tectonic quartz veins in the periphery of the High-Ardenne slate belt (Rursee, north Eifel, Germany)», Geologica Belgica [En ligne], number 3-4, volume 11 (2008), 179-198 URL : http://popups.ulg.ac.be/1374-8505/index.php?id=2485.

About: Koen VAN NOTEN

Geodynamics & Geofluids Research Group, Katholieke Universiteit Leuven, Celestijnenlaan 200E, B-3001 Leuven, Belgium; E-mail: koen.vannoten@geo.kuleuven.be

About: Christoph HILGERS

Geologie-Endogene Dynamik, RWTH Aachen, Lochnerstrasse 4-20, D-52056 Aachen, Germany; E-mail: c.hilgers@ged.rwth-aachen.de

About: Janos L. URAI

Geologie-Endogene Dynamik, RWTH Aachen, Lochnerstrasse 4-20, D-52056 Aachen, Germany; E-mail:  j.urai@ged.rwth-aachen.de

About: Manuel SINTUBIN

Geodynamics & Geofluids Research Group, Katholieke Universiteit Leuven, Celestijnenlaan 200E, B-3001 Leuven, Belgium; E-mail: manuel.sintubin@geo.kuleuven.be