“Grade Is King” Posted by Rick Elsum on May 10, 2019 with 0 Comment – But Smart Investors Will Delve Deeper ‘Grade is King’ over-simplifies the sector’s mine economics: If “Grade is King, Geology is the Ace” High grade doesn’t equate to low cost! Source: http://www.cet.edu.au/docs/default-source/training-courses-/gold-grades-and-gold-costs-exploding-the-high-grade-myth.pdf?sfvrsn=2 Expanded investigation: Gold costs and geology Is grade King in gold mining? – Ulrich et al – Sep 2016 – Centre for Exploration Targeting / The University of Western Australia from John P. Sykes