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News from the PAG Drilling Team

After a few difficult days with several attempts to drill and recover the sediments of the clay pan PAG, the team reached 41m with full recovery. The tough environment and sediments brought some major difficulties with it. The drill team changed from sonic-drilling to conventional drilling. A thick cemented tephra layer at 31m stopped the first drill hole.

A second attempt, however, was successful and was drilled through this tephra. The team reached yesterday 41m and will continue to gain the whole sediment sequence of this closed basin, approximately up to 60-70m.

 

Fig. 1 Drilling 400px 2017 11Full-working drill rig of SUPEREX
Photo:
Damián López
  Fig. 2 Drilling 400px 2017 11Arrival of the drill convoy to the clay pan through difficult terrain
Photo: 
Damián López
     
Fig. 3 Drilling 400px 2017 11Operating drill-rig   Fig. 4 Drilling 400px 2017 11A hangar tent was installed with a second smaller tent inside for core handling. This is necessary, as the retrieved sediment cores were packed into black foil under infrared light to allow dating via OSL.


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Contact

  Speaker:
Prof. Dr. Tibor J. Dunai
Institute of Geology and Mineralogy | University of Cologne
Zülpicher Str. 49b | 50674 Cologne
+49 (0)221 470-3229 | tdunai@uni-koeln.de
  Managing Director:
Christian Tiede
Institute of Geology and Mineralogy | University of Cologne

Zülpicher Str. 49b | 50674 Cologne
+49 (0)221 470-89833 | christian.tiede@uni-koeln.de
       
  Deputy Speaker:
Prof. Dr. Martin Melles
Institute of Geology and Mineralogy | University of Cologne

Zülpicher Str. 49a | 50674 Cologne
+49 (0)221 470-2262 | mmelles@uni-koeln.de
  Webmaster:
Tim Schlüter
Institute of Geography | University of Cologne

Otto-Fischer-Str. 4 | 50674 Cologne
+49 (0)221 470-3735 | webmaster@sfb1211.de