Definition of batholith in English:

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batholith

Pronunciation: /ˈbaθəlɪθ/

noun

Geology
A very large igneous intrusion extending to an unknown depth in the earth’s crust.
Example sentences
  • Below the transparent batholith, the crust is very reflective to depths of c.20 km.
  • The lower crust beneath the Dzhabyk batholith is only weakly reflective and the Moho is not imaged.
  • The batholith extends into the west Kimberley, and is more than 750 km long and about 60-70 km wide.

Origin

Early 20th century: coined in German from Greek bathos 'depth' + -lith.

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