Mine Planning

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Topics: Mining
1.0 MINE PLANNING
Ore – a natural aggregate of one or more solid minerals (metallic and non-metallic) which can be mined, or from which one or more mineral products can be extracted, at a profit. - a natural aggregation of one or more solid minerals that can be mined, processed and sold at a profit.
Profits can be expressed in simple equation: Profits = Revenues – Costs
The revenue portion of the equation can be written as: Revenues = Material sold(units) x Price/unit
The costs can be similarly expressed as: Costs = Material sold(units) x Cost/unit
Then;
Profits = Material sold(units) x (Price/unit – Cost/unit)
1.1 MINE DEVELOPMENT PHASES

The mineral supply process.

Project Phases:

Through increases in price and/or advances in technology, previously located deposits may become interesting. These deposits must be then thoroughly evaluated regarding their economic attractiveness.
Planning Phase >>> Preparation of Feasibility Study – based upon this, the decision will be made as to whether or not to proceed.
Implementation, Investment, Design and Construction Phase >>> development of mine and concentrating facilities is undertaken.
Production/Operational Phase >>> mineral is mined and processed.
Stages of Implementation Phase
1. Design and construction – design, procurement and construction activities.
2. Commissioning – trial operation of the individual components to integrate them into an operating system and ensure their readiness for statrtup.

Stages of Production Phase 1. Startup – feed is delivered to the plant into product. Normally ends when the quantity and quality of the product is sustainable at the desired level. 2. Operation - continuous production.
1.2 Initial Data Collection Checklist 1. Topography 2. Climatic conditions 3. Water – potable and process 4. Geologic structures 5. Flora and fauna 6. Rock types 7. Proposed location of facilities 8. Tailings

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