COSC-1 operational report - Operational data sets (V. 1.2)

Lorenz, Henning; Rosberg, Jan-Erik; Juhlin, Christopher; Bjelm, Leif; Almqvist, Bjarne; Berthet, Théo; Conze, Ronald; Gee, David G.; Klonowska, Iwona; Pascal, Christophe; Pedersen, Karsten; Roberts, Nick; Tsang, Chinfu;

2019 || GFZ Data Services

This is an updated version of Lorenz et al. (2015) and includes corrected locations of the boreholes and the core depths (for details see Lorenz et al., 2019,http://doi.org/10.2312/ICDP.5054.002), and newly provides access to the core scans in high resolution (uncompressed jpg format).
The Collisional Orogeny in the Scandinavian Caledonides (COSC) scientific drilling project focuses on mountain building processes in a major mid-Paleozoic orogen in western Scandinavia and its comparison with modern analogues. The transport and emplacement of subduction-related highgrade continent-ocean transition (COT) complexes onto the Baltoscandian platform and their influence on the underlying allochthons and basement will be studied in a section provided by two fully cored 2.5 km deep drill holes. This operational report concerns the first drill hole, COSC-1 (ICDP 5054-1-A), drilled from early May to late August 2014.
COSC-1 is located in the vicinity of the abandoned Fröå mine, close to the town of Åre in Jämtland, Sweden and was planned to sample a thick section of the Seve Nappe and to penetrate its basal thrust zone into the underlying lower grade metamorphosed allochthon. Despite substantial technical problems, the drill hole reached 2495.8 m driller's depth and nearly 100 % core recovery was achieved. Surprising was the homogeneity of the Seve Nappe rocks, the unexpected thickness of its basal thrust zone (> 500 m) and that the drill hole, therefore, did not penetrate the bottom of the thrust zone. However, lower grade metasedimentary rocks were encountered in the lowermost part of the drill hole together with tens of metres thick mylonites that are, unexpectedly, rich in large garnets.
The drill core was documented on-site and XRF scanned off site. During various stages of the drilling, the borehole was documented by comprehensive downhole logging. The operational report provides an overview over the COSC-1 operations from drilling preparations to the sampling party and describes the available datasets and sample material.

Originally assigned keywords

Corresponding MSL vocabulary keywords

MSL enriched keywords

MSL enriched sub domains
  • geochemistry
Source http://dx.doi.org/10.5880/icdp.5054.002
Source publisher GFZ Data Services
DOI 10.5880/icdp.5054.002
Authors
  • Lorenz, Henning
  • 0000-0001-6095-2941
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Rosberg, Jan-Erik
  • 0000-0002-4610-2374
  • Lund University, Engineering Geology; Lund University, Lund, Sweden;
  • Juhlin, Christopher
  • 0000-0003-2776-0846
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Bjelm, Leif
  • Lund University, Engineering Geology; Lund University, Lund, Sweden;
  • Almqvist, Bjarne
  • 0000-0002-9385-7614
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Berthet, Théo
  • 0000-0002-8796-1407
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Conze, Ronald
  • 0000-0002-8209-6290
  • GFZ German Research Centre for Geosciences, Potsdam, Germany; ICDP International Continental Scientific Drilling;
  • Gee, David G.
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Klonowska, Iwona
  • 0000-0001-7346-1770
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Pascal, Christophe
  • 0000-0003-2317-8365
  • University of Bochum, Institute of Geology, Mineralogy and Geophysics; University of Bochum, Bochum, Germany;
  • Pedersen, Karsten
  • Chalmers University of Technology, Division of GeoEngineering, Gothenburg, Sweden;
  • Tsang, Chinfu
  • Lawrence Berkeley National Laboratory, Earth Sciences Division, Berkeley, CA, US; Lawrence Berkeley National Laboratory, Berkeley, CA, US;
Contributors
  • Lorenz, Henning
  • ContactPerson
  • 0000-0001-6095-2941
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Rosberg, Jan-Erik
  • DataCollector
  • 0000-0002-4610-2374
  • Lund University, Engineering Geology; Lund University, Lund, Sweden;
  • Juhlin, Christopher
  • ProjectLeader
  • 0000-0003-2776-0846
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Bjelm, Leif
  • ProjectLeader
  • Lund University, Engineering Geology; Lund University, Lund, Sweden;
  • Almqvist, Bjarne
  • DataCollector
  • 0000-0002-9385-7614
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Berthet, Théo
  • DataCollector
  • 0000-0002-8796-1407
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Conze, Ronald
  • DataManager
  • 0000-0002-8209-6290
  • GFZ German Research Centre for Geosciences, Potsdam, Germany; ICDP International Continental Scientific Drilling;
  • Gee, David G.
  • DataCollector
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Klonowska, Iwona
  • DataCollector
  • 0000-0001-7346-1770
  • Uppsala University, Department of Earth Sciences, Geophysics; Uppsala University, Uppsala, Sweden;
  • Pascal, Christophe
  • ProjectLeader
  • 0000-0003-2317-8365
  • University of Bochum, Institute of Geology, Mineralogy and Geophysics; University of Bochum, Bochum, Germany;
  • Pedersen, Karsten
  • ProjectLeader
  • Chalmers University of Technology, Division of GeoEngineering, Gothenburg, Sweden;
  • Tsang, Chinfu
  • DataCollector
  • Lawrence Berkeley National Laboratory, Earth Sciences Division, Berkeley, CA, US; Lawrence Berkeley National Laboratory, Berkeley, CA, US;
References
  • Lorenz, H., Rosberg, J.-E., Juhlin, C., Bjelm, L., Almqvist, B. S. G., Berthet, T., Conze, R., Gee, D. G., Klonowska, I., Pascal, C., Pedersen, K., Roberts, N. M. W., & Tsang, C.-F. (2015). COSC-1 – drilling of a subduction-related allochthon in the Palaeozoic Caledonide orogen of Scandinavia. Scientific Drilling, 19, 1–11. https://doi.org/10.5194/sd-19-1-2015
  • 10.5194/sd-19-1-2015
  • IsSupplementTo
  • References
  • References
  • References
  • Lorenz, H., Rosberg, J. E., Juhlin, C., Bjelm, L., Almquist, B., Berthet, T., Conze, R., Gee, D., Klonowska, I., Pascal, C., Pedersen, K., Roberts, N., & Tsang, C. F. (2015). COSC-1 operational report Explanatory remarks on the operational data sets. Deutsches GeoForschungsZentrum GFZ. https://doi.org/10.2312/ICDP.2015.001
  • 10.2312/ICDP.2015.001
  • IsDocumentedBy
  • Lorenz, H., Rosberg, J. E., Juhlin, C., Bjelm, L., Almquist, B., Berthet, T., Conze, R., Gee, D., Klonowska, I., Pascal, C., Pedersen, K., Roberts, N., & Tsang, C. F. (2015). Operational report about phase 1 of the collisional orogeny in the scandinavian caledonides scientific drilling project (COSC-1). ICDP Data Set Report; https://doi.org/10.2312/ICDP.2015.002
  • 10.2312/ICDP.2015.002
  • IsReferencedBy
  • Hierold, J., Körting, F., Kollaske, T., Rogass, C., & Harms, U. (2016). Analysis of element behavior in mylonites of the Seve Nappe of the Scandinavian Caledonides using different core scanning methods (Datasets) [Data set]. GFZ Data Services. https://doi.org/10.5880/ICDP.5054.001
  • 10.5880/ICDP.5054.001
  • IsCitedBy
  • Lorenz, H., Rosberg, J.-E., Juhlin, C., Bjelm, L., Almqvist, B., Berthet, T., Conze, R., Gee, D. G., Klonowska, I., Pascal, C., Pedersen, K., Roberts, N., & Tsang, C. (2015). COSC-1 operational report - Operational data sets [Data set]. GFZ Data Services. https://doi.org/10.1594/GFZ.SDDB.ICDP.5054.2015
  • 10.1594/GFZ.SDDB.ICDP.5054.2015
  • IsNewVersionOf
  • Conze, R., Lorenz, H., Ulbricht, D., Elger, K., & Gorgas, T. (2017). Utilizing the International Geo Sample Number Concept in Continental Scientific Drilling During ICDP Expedition COSC-1. Data Science Journal, 16. https://doi.org/10.5334/dsj-2017-002
  • 10.5334/dsj-2017-002
  • IsCitedBy
Contact
  • Tsang, Chinfu
  • Lawrence Berkeley National Laboratory, Earth Sciences Division, Berkeley, CA, US; Lawrence Berkeley National Laboratory, Berkeley, CA, US;
Citation Lorenz, H., Rosberg, J.-E., Juhlin, C., Bjelm, L., Almqvist, B., Berthet, T., Conze, R., Gee, D. G., Klonowska, I., Pascal, C., Pedersen, K., Roberts, N., & Tsang, C. (2019). COSC-1 operational report - Operational data sets (V. 1.2) [Data set]. GFZ Data Services. https://doi.org/10.5880/ICDP.5054.002
Collection period(s)
  • 2013-09-05 - 2014-10-11
Geo location(s)
  • Åre, Jämtlands län, Sweden