Ann: Underwriting & Prometheus Acquisition Update, page-20

The info is all there in MRD's releases if you actually choose to take the time to look for some of it

Prometheus is currently planning its own underground diamond program with a view to confirming the high-grade mineralisation encountered in the PMDC drilling and identifying additional economic mineralisation. Recent rock chip sampling on exposed mineralised veins from underground completed by the company have returned grades of up to 43 g/t gold.