Methods of coal prospecting and estimation of coal reserves
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Coal prospecting is a way of coal extraction from underneath of the earth.
Coal is valued for energy content and from the year 1880 it has been widely used to generate electricity.
Steel and cement industries use coal as fuel for extraction of iron from iron ore and for cement production.
Coal reserve estimates approximately are sometimes considered the most important parameter because they quantify the net coal recovered.
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The methods of coal prospecting involves strip mining and open-pit mining, drilling, core drilling, rotary drilling, dozer cutting, etc. It is believed that there are 98.26% which is approximately 1.1 trillion tonnes of coal reserves in the world.
Explanation:
- Through these methods, the coal resources are discovered in various areas.
- After the exploration, other factors are evaluated as to what are the favourable or unfavourable factors for mining, how it would be marketed, etc.
- The coal samples are also obtained from these methods.
- The coal reserves are found in almost all the countries but the largest ones are in the USA, India, Russia, China and Australia.
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