Infill drill results reported today included a headline grabbing 28m at 8.8 grams per tonne from 39m and a slew of broader widths grading 1-1.6gpt.
Also reported were half-a-dozen extensional results at depth below scoping study pit designs grading 1-1.2gpt.
De Grey aims to complete the PFS in the second half of 2022.
A scoping study completed last October proposed a production profile of up to 513,000oz in year two, with average production of 473,000oz over the first five years and 427,000oz per annum over the 10-year evaluation period.
De Grey started the current quarter with A$123 million cash.
Shares in De Grey were up 1% to $1.21 in early trade, capitalising the company at $1.7 billion.