Science and Education Publishing Journal of Geosciences and Geomatics 2373-6704 3 5 2015 10 22 Ore Grade Reconciliation Techniques ¨C A Review 116 121 EN Amoako Richard Mining Engineering Department, University of Mines and Technology, Tarkwa, Ghana Al-Hassan Sulemana JGG2015351 10.12691/jgg-3-5-1 2015 7 7 2015 8 13 2015 10 20 The essence of ore grade reconciliation is to identify, analyse and manage variance between planned and actual results in a way that highlights opportunities. A consistent record of poor reconciliation is an indication that this variance has not been adequately managed. This would inevitably result in significant economic impact on mining companies. Unfortunately, the issue of poor reconciliation has been an age-old one most mining companies have been battling with and resulting in failure of several mining companies to estimate ore grade accurately, despite good grade control sampling and geological control. This paper reviews various practical and theoretical approaches to ore grade reconciliation, and further reveals inefficiencies in the mining value chain that contribute to poor reconciliation. Key recommendations, pertinent to observations and findings of the study, are thus made towards improving ore grade reconciliation.