Wake Up And Read This Again . As per my last post yes BAY has MORE and next hole MORE Metres and 6.5 on the ask ????????. Tree shake and BOOM . Read on . Subject: High Grade Copper High-Grade Copper. COPPER: Anything over 100 metres and 1% copper equivalent or better is considered to be high-grade. For example, Serengeti Resources announced 119.6 metres of 0.9% copper equivalent (copper plus gold values added together) at depths from 180 to 300 metres. The stock then increased from $0.30 to $1.50 after those drilling results were reported.