Monzonita

25/07/2013 87 Palabras

Monzonita Roca plutónica intrusiva, holocristalina, fanerítica, compuesta por plagioclasa sódica (oligoclasa, andesita), feldespato potásico (ortosa o microclina) y elementos máficos (biotita, hornablenda, augita). Roca intermedia entre las sienitas y las dioritas.

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