what exactly is a igneous intrusion?
An intrusion is liquid rock that forms under Earth's surface
so magna of cause
that slightly warm stuff around the earths core
sometimes errupts out of volcanoes and kills people and stuff
lol
Magma from under the surface is slowly pushed up from deep within the earth into any cracks or spaces it can find, sometimes pushing existing country rock out of the way, a process that can take millions of years. As the rock slowly cools into a solid, the different parts of the magma crystallize into minerals.
appart from all the doom and gloom it actually makes pretty beautiful mountains
so could it be described as magma explodes to the surface and forms a smooth outer layer of rock?
if youre american your siera nevada mountains are a prime example
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