Everything about Mining Engineering totally explained
Mining engineering is a field that involves many of the other
engineering disciplines as applied to extracting and processing
minerals from a naturally occurring
environment.
The need for
mineral extraction and production is an essential activity of any technically proficient society. As minerals are produced from within a naturally occurring environment, disturbance of the environment as a result of
mineral production is a given. Modern
mining engineers must therefore be concerned not only with the production and processing of mineral
commodities, but also with the mitigation of damage or changes to an environment as a result of that production and processing.
The two primary types of
mine are
underground mines and
open-pit mines. Minerals that exist relatively deep underground (eg. some coal seams,
gold and some metalliferous ores) are generally recovered using underground mining methods. Minerals like
iron ore, shallow
coal seams and
bauxite are usually recovered from the surface by open-pit mining.
Engineering disciplines that are closely related to mining engineering are:
Specialized areas of mining engineering involve extraction of minerals from underwater mines,
seawater,
in-situ retorting of rock, and underground
gasification.
According to a census, in the year 2007 only 103 students received a Bachelor's Degree in Mining Engineering in the
US.
Blasting
Explosions used to break up a rock formation and aid in the collection of
ore is called
blasting. There are two types of blasting: high
velocity and low velocity. High velocity blasting uses explosives that have high rates of reactions and produce high
pressures (for example
high explosives). Low velocity blasting is done with explosives which have a low rate of reaction and thus low pressures (for example
low explosives). Blasting is done in selected regions where the ore is available. The size of the ore after blasting varies.
Further Information
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