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In this article we are discussing the Endogenic geomorphic processes.
Diastrophism:
a) All the processes that move, elevate or build-up portions of the Earth are called Diastrophism.
b) Diastrophism includes:
i) Orogenic processes that involve formation of mountains through severe folding and faulting of the Earth’s crust.
ii) Epeirogenic processes that uplift or bend large part of the Earth’s crust.
iii) Earthquake involving minor local movements.
iv) Plate tectonic involving horizontal movements of plates of the Earth’s crust.
Differences between 2 major processes in diastrophism .
Volcanism:
a) Volcanism includes the movement of molten rock (magma) onto or towards the Earth’s surface, which eventually forms many intrusive & extrusive volcanic forms.
b) Magma that starts moving towards the crust & reaches the Earth’s surface is called lava.
c) The material that reaches the ground includes lava flows, pyroclastic debris, volcanic bombs, ash, dust, nitrogenous and sulphurous compounds and minor amounts of chlorine, hydrogen and argon.
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