IFRIC 20 — Stripping Costs in the Production Phase of a ,
IFRIC 20 considers when and how to account separately for the benefits arising from the removal of mine waste materials ('overburden') to gain access to mineral ore deposits, as well as how to measure these benefits both initially and subsequently
Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method: ,calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal
CHAPTER 8 Stripping Ratios, Pit Limits & Cutoff Grade Optimization Dr Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining
Trump signs bill undoing Obama coal mining rule | TheHill
President Trump on Thursday signed legislation ending a key Obama administration coal mining rule The bill quashes the Office of Surface Mining's Stream Protection Rule, a regulation to protect waterways from coal mining waste that officials finalized in December The legislation is the second .