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Magma is intruded into country rocks at a high temperature, whilst the intruded rock is at low temperature. The temperature difference between the two leads to the edges of the intrusion to be rapidly ...

A mineral is a chemical compound composed of specific elements in a crystalline structure. A rock is mixture of one or more minerals.

A syncline describes an area where different strata of rock have been folded (either symmetrically or asymmetrically) in a horseshoe/U shape, with the youngest formed rocks located within the centre, a...

Earthquakes tend to occur in areas where two tectonic plates are in contact with each other. The three main locations are: 1) areas of continental collision, 2) subduction of one plate beneath another,...

Proof by induction involves making an assumption, and using that assumption to prove that the consecutive case follows the pattern. 

The key to this is realising that most questions follo...