1. The project will include the deepest core drilling yet attempted in Antarctica. 2. Air core drilling can achieve depths approaching 300 metres in good conditions. 3. Deep ice core drilling , meteorology and seismic studies were conducted. 4. "' Devico AS "'is the sole company to offer directional core drilling services worldwide. 5. Core drilling permits have been sought for further exploration.6. However, the state's Devonian rocks are buried below the surface and inaccessible apart from core drilling . 7. Where possible, air core drilling is preferred over RAB drilling as it provides a more representative sample. 8. A magnetic core drilling machine fitted with a reversible motor can also be used for tapping, countersink and reaming operations. 9. Beginning in October, on the heels of the asbestos removal, Turner's construction crews will begin core drilling on each floor. 10. In the 1960s Japanese interests undertook a resource drilling program, with diamond core drilling , and built a small oxide mining operation.
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