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. It is the most abundant …

Gabbro is an intrusive igneous rock composed primarily of plagioclase feldspar and large amounts of mafic minerals like pyroxene. It has a phaneritic texture, meaning its interlocking crystals can be seen with the naked eye. It is usually dark gray, black, or …

Gabbro is a coarse-grained (phaneritic) igneous rock that is relatively low in silica and rich in iron, magnesium, and calcium. Such rock is described as mafic. Gabbro is composed of pyroxene (mostly clinopyroxene) and calcium-rich plagioclase, with minor amounts of hornblende, olivine, orthopyroxene and accessory minerals. [4] .

Sep 9, 2023 · Gabbro rocks are dark-colored, coarse-grained, intrusive igneous rocks. It’s typically dark green or black and primarily composed of Augite and Plagioclase. Here’s a cool fact you might want to know, Gabbro is one of the most abundant rocks in the deep oceanic crust.

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Browse 538 professional gabbro stock photos, images & pictures available royalty-free. Plutonic rock gabbro from the Isle of Skye in Scotland. It is gabbro in the strict sense because pyroxene crystals are monoclinic (determined by a thin section analysis).

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