The start was on schedule, with the 6,000m programme set to include up to 10 core holes to a depth of 600m each.
The company is aiming to further define the extent and direction of Havieron's high-grade zone of mineralisation detected in the first campaign.
The first drilling campaign done over the April-May period established the a zone of high grade mineralisation with highlights of 137.69g/t gold and 4.11% copper.
Other results of the first programme were 121m at 2.93g/t gold and 0.23% copper from 497m, including 11.5m at 21.23g/t gold and 0.67% copper from 568.5m, and 21m at 3.79g/t gold 0.44% copper.
In July, the company raised US$3.5 million to fund exploration at its Australian projects.
Greatland's shares were down 2.19% Monday morning to 1.11p (US1.5c).