In praise of drillholes

For Steve Sullivan understanding the DNA of a mine comes from paying attention to the basic building blocks - the drillholes. He also notes that drilling is the most critical task in determining the character of any mineral or coal deposit.

In praise of drillholes In praise of drillholes In praise of drillholes In praise of drillholes In praise of drillholes

Drilling reveals the internal variation of ore within a mineralised boundary