Mission cancelled as 'unable to form cavity' beneath ice

A statement released on behalf of British scientists running the Antarctic mission confirmed drilling was called off in the early hours of Christmas Day:

Drilling was proceeding well during the weekend after a replacement part was fitted to the boiler used to heat water for drilling.

Drilling stopped after the team was unable to form properly the water-filled cavity 300 metres beneath the ice.

This cavity was to link the main borehole with a secondary borehole used to recirculate drilling water back to the surface.

– British Antarctic Survey

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