A coarse grained rock mainly composed of orthopyroxene and plagioclase is called as
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Gabbro is a coarse-grained, dark-colored, intrusive igneous rock. It is usually black or dark green in color and composed mainly of the minerals plagioclase and augite.
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Gabbro is a coarse-grained, dark-colored, intrusive igneous rock. It is usually black or dark green in color and composed mainly of the minerals plagioclase and augite.
Gabbro often contains valuable amounts of chromium, nickel, cobalt, gold, silver, platinum, and copper sulfides. Orbicular varieties of gabbro can be used as ornamental facing stones, paving stones and it is also known by the trade name of black granite. It is also used for kitchen countertops.
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