tonalite

noun to·nal·ite \ˈtōnəlˌīt\

Definition of tonalite

plural

-s

  1. 1 :  a granular igneous rock consisting of quartz, andesine, and small amounts of orthoclase

  2. 2 :  quartz-diorite

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Origin and Etymology of tonalite

German tonalit, from Tonale (Pass) in the Lombard Alps + German -it -ite


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