Despite sounding choose something out of harry Potter, a batholith is a type of igneous absent that forms when magma rises right into the earth’s crust, yet does no erupt onto the surface. The magma cools beneath the earth surface, creating a rock framework that extend at least one hundreds square kilometers across (40 square miles), and also extends to an unknown depth.

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EarthWords is an on-going collection in i beg your pardon we shed some light on the complicated, regularly difficult-to-pronounce language the science. Think of united state as her terminology tour-guides, and also meet us ago here every week because that a brand-new word!


Moonrise over Yosemite’s half Dome, a prominent attribute of the Sierra Nevada batholith. Picture credit: Alex Demas,


Despite sounding favor something out of bother Potter, a batholith is a type of igneous rock that forms when magma rises into the earth crust, but does not erupt top top the surface. The magma cools beneath the earth surface, developing a rock framework that extends at least one hundred square kilometers throughout (40 square miles), and also extends to an unknown depth.


Bath– originates from the Greek for “deep,” and also -lith, additionally from Greek, means “rock.” for instance, an additional name because that the rock Age is the Paleolithic age.

Use/Significance in the planet Science Community:

Batholiths and other geologic formations are crucial to geologists and geophysicists, as various rock types have different interpretations for organic hazards, mineral resources, and ecology. Use:

Knowing the origin and type of rock formations is helpful to a selection of clinical projects. Batholiths are regularly subject to far-reaching internal stress, which affects natural hazards like landslides and also earthquakes. In addition, because batholiths are practically always do of rocks the contain feldspar and also quartz, understanding the place of batholiths helps v our mineral studies.

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