Bauer constructs cut-off wall elements in geothermally active ground

One of the largest gold deposits in the world is located on the volcanic island of Niolam, the main island in the Lihir archipelago of Papua New Guinea. The mine was discovered in 1982 and the sought-after precious metal has been extracted in open-cast mines for nearly 25 years – now reaching a depth of up to roughly 300m below sea level.

Bauer constructs cut-off wall elements in geothermally active ground Bauer constructs cut-off wall elements in geothermally active ground Bauer constructs cut-off wall elements in geothermally active ground Bauer constructs cut-off wall elements in geothermally active ground Bauer constructs cut-off wall elements in geothermally active ground

On the geothermally active Lihir Island, Papua New Guinea, Bauer Engineering PNG Ltd. executed two test cut-off wall elements up to a depth of 55m below the ground surface

For a planned expansion of the mine, an impermeable protective wall is required around the new extraction area because of its close vicinity to the Pacific Ocean. According to the plans, a 1.