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COSC-2 Drilling to 2.5 km in the Scandinavian Caledonides, Lithology Predictions Based on Seismic, Magnetotelluric and Magnetic Data
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, EAGE/DGG Workshop on Deep Mineral Exploration, Mar 2016, Volume 2016, p.1 - 3
Abstract
Summary
The Collisional Orogeny in the Scandinavian Caledonides (COSC) project is investigating mountain building processes in central Sweden. Two fully cored 2.5 km deep boreholes form the backbone of the project and will provide a unique c. 5 km deep composite section through some of the overriding thrust sheets, the main décollement and into the basement of the collisional underriding plate. Combined interpretation of seismic reflection, MT, magnetic data, along with constraints from surface geology allow better predictions for the lithology to be penetrated in the planned second COSC borehole to be made. Conductive shales are expected at about 700 m, the main decollément at about
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