What is bacolith?

Answer 1

A Batholith rock is an igneous rock.It is formed from cooled magma deep in the earths crust.Batholith rocks are made mostly of felsic rocks or so even called intermideate rock types,such as granite, quartz, monzonite or diorite.

Answer 2

A batholith is a large mass of igneous rock that forms beneath the Earth's surface through the process of plutonism. It is typically composed of granite or a similar coarse-grained rock. Batholiths are a common feature in mountain ranges and can be exposed through erosion and uplift.