Late Silurian deformation in the Łysogóry Region of the Holy Cross Mountains revisited: restoration of a progressive Caledonian unconformity in the Klonów Anticline and its implications for the kinematics of the Holy Cross Fault (central Poland)

Authors

  • Lukasz Gągała Georex Assistance Technique Institute of Geological Sciences, Polish Academy of Sciences

DOI:

https://doi.org/10.7306/gq.1222

Keywords:

Holy Cross Mountains, tectonics, unconformity, Caledonian deformation

Abstract

The Klonów Anticline is located in the western outskirts of the Łysogóry Region of the Holy Cross Mountains. A fresh look onto the cartographic evidence suggests that this structure shows the key characteristics of a progressive unconformity. This becomes evident when compared to the classical example of the Sant Llorenç de Morunys Anticline (eastern Pyrenees, Spain). The geometry of the unconformity requires a phase of thrusting or reverse faulting along the Holy Cross Fault in the latest Silurian–earliest Devonian (Late Caledonian deformation) followed by Variscan thin-skinned thrusting. Thick- and thin-skinned kinematic scenarios for the latest Silurian-earliest Devonian deformation of the Łysogóry Region are explored 

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Published

2015-02-27

Issue

Vol. 59 No. 3 (2015)

Section

Articles

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