Exploration Drilling is used in the ore deposits and potential site. By withdrawing a small diameter core of rock from the ore body, geologist can analyze the core by chemical assay and conduct petrologic, structural and mineralogical studies of the rock a solid core is extracted from depth for examination on the surface.


Company Drilling Rig Diamond core drill
Made Tone Corp (made in Japan)
Core extraction Wireline devices
Drill core size Hole (outside)     Core (inside)
(diameter – mm)    (diameter – mm)
AQ 48 27
BQ 60 36.5
NQ 96 63.5
 Capacity 300m depth