Anonymous asked in 科學化學 · 1 decade ago



1 Answer

  • 光弟
    Lv 7
    1 decade ago
    Favorite Answer in the mining processProspecting to locate ore Exploration to defining the extent and value of ore where it was located ("ore body") Conduct resource estimate to mathematically estimate the extent and grade of the deposit Conduct mine planning to evaluate the economically recoverable portion of the deposit Conduct a feasibility study to evaluate the total project and make a decision as whether to develop or walk away from a proposed mine project. This includes a cradle to grave analysis of the possible mine, from the initial excavation all the way through to reclamation. Development to create access to an ore body Exploitation to extract ore on a large scale Reclamation to make land where a mine had been suitable for future use [edit]Mining techniquesMining techniques can be divided into two basic excavation types:1. Surface mining ·         Open-pit mining ·         Quarrying ·         Strip mining ·         Placer mining ·         Mountaintop removal 2. Sub-surface mining ·         Drift mining ·         Slope mining ·         Shaft mining ·         Hard rock mining ·         Borehole mining

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