Articles | Volume 19
https://doi.org/10.5194/sd-19-1-2015
https://doi.org/10.5194/sd-19-1-2015
Science report
 | 
29 May 2015
Science report |  | 29 May 2015

COSC-1 – drilling of a subduction-related allochthon in the Palaeozoic Caledonide orogen of Scandinavia

H. Lorenz, J.-E. Rosberg, C. Juhlin, L. Bjelm, B. S. G. Almqvist, T. Berthet, R. Conze, D. G. Gee, I. Klonowska, C. Pascal, K. Pedersen, N. M. W. Roberts, and C.-F. Tsang

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Latest update: 07 Oct 2025
Short summary
The Collisional Orogeny in the Scandinavian Caledonides (COSC) scientific drilling project successfully drilled a 2.5km fully cored borehole (COSC-1) through allochthonous subduction-related high-grade metamorphic gneisses and into the underlying thrust zone. This paper summarizes the scientific rationale of the project and presents first preliminary results.
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