spilite

noun spi·lite \ ˈspīˌlēt \

Definition of spilite

plural -s
:a very fine-grained to dense and greenish to gray-green extrusive rock of the gabbro family often vesicular or amygdaloid and generally free from phenocrysts that is composed essentially of the same minerals as diabase and shows an ophitic texture with augite grains between laths of basic plagioclase

spilitic

adjective

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Origin and Etymology of spilite

French, from Greek spilos spot, stain + French -ite


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