Question

5. Explain the process of open cast mine?​

Answer 1

Answer:

PROCESS DESCRIPTION

Open cast mining involves the removal of ore from seams relatively near the surface by means of an open pit (see figure below). These mines often occupy a large area of land for excavation of the ore and disposal of the overburden (the waste rock lying over the ore).

Answer 2

Explanation:

1. Basic Open Pit Terminology

2. Pickstone – Peerless Open Pit Optimisation Input Parameters

3. Pickstone – Peerless Open Pit Optimisation Targets & Constraints

4. Pickstone – Peerless Open Pit Optimisation Results

5. Pickstone – Peerless Oxide Production Plan Summary

6. The Open Pit Optimisation Process (Net Present Value (‘NPV’) Optimisation)

1. Define an Economic Model

2. Ultimate (Optimal) Pit Shell Creation

3. Practical Mining Sequence

7. Glossary of Terms

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