The name of the volcanic rock which often forms the root of fold mountains is called

Assessment: WAEC SSCE - Geography - 2013 (Objective) Subject: Geography

Question 1 Report

The name of the volcanic rock which often forms the root of fold mountains is called
Answer Details
The name of the volcanic rock which often forms the root of fold mountains is called a "Batholith". A batholith is a large mass of intrusive igneous rock formed from cooled magma deep in the earth's crust. When the batholith pushes up towards the surface, it may encounter and cause the overlying rock layers to fold and uplift, resulting in the formation of fold mountains. Batholiths are typically made up of granite, a coarse-grained igneous rock composed mainly of feldspar, quartz, and mica.

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