Explain how igneous rocks change into sedimentary rocks and metamorphic rocks?

Answer 1

Igneous to sedimentary: Igneous rock becomes exposed at the surface. Weathering of the rock occurs and the rock is broken down into smaller and smaller particles. The particles are transported and deposited by rain, wind, gravity, or ice to a place of deposition, where they eventually lithify through compaction and cementation into a sedimentary rock.

Igneous to metamorphic: An igneous rock body is exposed to heat and pressures from tectonic plate collisions. The directional stress imposed on the rock causes the constituent minerals to align themselves perpendicularly to the direction of the stress and some recrystallization may occur, creating a banded or foliated metamorphic rock.

Answer 2

Igneous rocks can weather and erode into sediments, which then accumulate and lithify to form sedimentary rocks. Alternatively, igneous rocks can be subjected to high temperature and pressure, causing recrystallization to form metamorphic rocks.