Should be some sort of definition on what can be called high...

Should be some sort of definition on what can be called high grade, 1.4% surely cant be high grade, an explorer i own, Stelar Metals, SLB announced rock chips today of over 10% as high grade.
Oh and our stock market is at a record high.
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High-grade copper up to 12.7% from Lone Pine Prospect at Baratta Highlights • High-grade copper assays received from initial rock chip sampling at Lone Pine Prospect. • Rock chip assays up to 12.7% copper, with 7 of the 8 samples collected assaying over 5% copper. • Lone Pine is located 7.5 kilometres west of the Baratta Copper Mine on the