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Granodiorite

Deep igneous rocks of acidic character, built of quartz, intermediate plagioclase and alkali feldspar, minor and accessory components are similar to those that occur in granite. Volcanic equivalent: dacite.

Pronunciation
/ˌɡranəʊˈdʌɪərʌɪt/
/ˌɡrænəˈdaɪəraɪt/
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