Drilling

China, Summer 2023

  • Drilling 3 holes across the Yangtze Platform is due to start imminently!
  • The field work is complete and the drilling contractor has been signed.

Brazil, May – June 2022

  • Drilling began on 20 May 2022 and the on-site GRIND-ECT team consisted of ~4 Brazilian researchers and the Data & Core Manager.
  • Two holes were successfully drilled through the Tamengo and Guaicurus formations in the Corumbá region.
  • Drillhole 3A recovered 203 m of fresh rock (53 m of the Tamengo Formation, 150 m of the Bocaina Formation) and Drillhole 3B recovered 123 m of fresh rock (115 m of Tamengo Formation and the upper 8m of the Bocaina Formation).
  • Drilling was completed on 20 June 2022.
  • Core recovery has been excellent (between 95-100%).
  • Daily updates from the drill site can be found here.

Namibia, May 2022

  • Drilling began on 2 May 2022 with and the on-site GRIND-ECT team consisted of 3 international researchers and 2 students from the University of Namibia who were on-site throughout drilling.
  • The final hole, Orange River, was successfully drilled near Noordoewer in the Karas region and reached 515.2 m.
  • Core recovery has been excellent (between 98-100%).
  • Drilling was completed on 13 May 2022.
  • Daily updates from the drill site can be found here.

Namibia, Sept – Nov 2019

  • Drilling commenced on 24 Sept 2019 and the on-site GRIND-ECT team consisted of ~2-3 international researchers and 1-2 colleagues from the Geological Survey of Namibia who have been on-site throughout drilling.
  • Five holes have been successfully drilled with 2 failed holes (details below).
  • Core recovery has been between 95-100% and the quality is excellent (see below; core depths c. 78-84 m of 1A).
  • Drilling was completed on 12 Nov 2019.
  • Daily updates and details while we were drilling can be found here.
Summary of GRIND-ECT drilling in Sept-Nov 2019 and May 2022 in Namibia.