WebThe stripping ratio (SR) refers to the amount of waste material that must be removed for a given amount of ore. The Instantaneous Stripping Ratio (ISR) is the stripping ratio for a … Webmining In mining: Pit geometry The break-even stripping ratio is a function of ore value and the costs involved. Read More In coal mining: Contour strip mining If the break-even stripping ratio remains favourable, further cuts into the hillside will be made.
(PDF) Open Pit Mining - ResearchGate
WebTeam, I think at the time the mining team and mineral economists are looking at the stripping ratio, they already have passed the stage of ore grades and safety factors. WebFeb 11, 2024 · In surface mining, stripping ratio or strip ratio refers to the amount of waste (or overburden) that must be removed to release a given ore quantity. It is a number or ratio that express how much waste is mined per unit of ore. A stripping ratio can be expressed as a ratio or as a number. fight club first edition
Break-even stripping ratio Britannica
WebOct 1, 2013 · Therefore, the economic control of mining should be conducted in a continuous way and it must be based on the assessment of the levels of the ore grade T and stripping ratio R, which should satisfy the following conditions: (6a) T > T CM (6b) R < R ad < R max 2. Correlations between ore body model and profit function WebThe stripping ratio in a mine is chosen based on economics. A high grade orebody can support a high stripping ratio. A low grade ore body cannot support a high stripping ratio. … WebIn 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 … fight club fin explication