ENV100Y5 Lecture Notes - Lecture 35: Igneous Rock, Tantalite, Pegmatite
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Document Summary
Lithosphere is the region including the uppermost layers of rock near earths surface. Colton mining areas of eastern congo are situated along the western edge of africa"s great rift valley system. A rock is a solid aggregation of minerals. Mineral is a naturally occurring solid chemical element or inorganic compound with a crystal structure a specific chemical composition and distinct physical properties. Example : mineral tantalite consists of elements tantalum , oxygen , iron , manganese. It occurs commonly in pegmatite a type of coarse grained igneous rock similar to granite. Minerals are obtained through process of mining. Canada is one of leading mining nations. Mining is extraction of any resources that is non renewable on timescale of society. It refers to systematic removal of rock , soil or other materials for the purpose of extracting minerals of economic interest.
