DD drilling definition

DD drilling means diamond drilling. “Endeavour” means Endeavour Mining Corporation.

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Examples of DD drilling in a sentence

• Assumptions with respect to mineralisation orientation and continuity within the MRE were drawn directly from: • Close spaced historical RC and DD drilling stored in Excel spreadsheets • Historical Open pit and underground mining Criteria JORC Code explanation Commentary • Historical interpretations by multiple companies and individuals • The effect, if any, of alternative interpretations on Mineral Resource estimation.

• The grade estimates are based on 2 metre down-the-hole composites of the RC and DD drilling.