1 granogabbro | Definition of granogabbro

granogabbro

noun
grano·​gabbro | \ " +\

Definition of granogabbro

: a plutonic rock intermediate between a granite and a gabbro and consisting of quartz, basic plagioclase, potash-feldspar, and one or more ferromagnesian minerals

History and Etymology for granogabbro

grano- + gabbro

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