aplite

American  

[ap-lahyt] / ˈæp laɪt /

noun

Petrology.

1. a fine-grained granite composed essentially of feldspar and quartz.

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aplite British  

/ æpˈlɪtɪk, ˈæplaɪt /

noun

1. a light-coloured fine-grained acid igneous rock with a sugary texture, consisting of quartz and feldspars

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Other Word Forms

• aplitic adjective

Etymology

Origin of aplite

1875–80; apl- (variant of haplo- ) + -ite ¹ ( def. )

Example Sentences

These have very much the same composition as acid igneous rocks such as granite, aplite, hornblende granite, or intermediate rocks such as syenite and quartz diorite.

From Project Gutenberg

Less frequently aplite forms stocks or bosses, or occupies the edges or irregular portions of the interior of outcrops of granite.

From Project Gutenberg