Difference between revisions of "Gabbro"
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A dark, coarse-grained [[exd:intrusive|intrusive]] igneous rock. Gabbro is made of [[calcium]]-rich [[plagioclase]], with [[amphibole]] and/or [[pyroxene]], and is chemically equivalent to [[basalt]]. | A dark, coarse-grained [[exd:intrusive|intrusive]] igneous rock. Gabbro is made of [[calcium]]-rich [[plagioclase]], with [[amphibole]] and/or [[pyroxene]], and is chemically equivalent to [[basalt]]. | ||
[[Category:Selenology]] | [[Category:Selenology]] | ||
