Gabbro - Wikipedia
Gabbro is a coarse-grained 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 …
Gabbro: Igneous Rock - Pictures, Definition & More - Geology.com
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 | Properties, Formation, Composition, Uses - Geology …
2023年9月4日 · Gabbro is a type of intrusive igneous rock that is coarse-grained and dark-colored, typically composed of calcium-rich plagioclase feldspar, pyroxene, and sometimes …
Gabbro: A Coarse-grained, Dark-Colored Plutonic Rock
2023年7月21日 · Gabbro is a dense, coarse-grained, dark-colored, mostly plutonic rock. Its essential minerals are calcic plagioclase and pyroxene, but it may have minor amounts of …
Gabbro: The Intriguing Coarse-Grained Igneous Rock ... - Rock …
2024年8月3日 · Gabbro is a dense, coarse-grained igneous rock that forms deep beneath the Earth’s surface as slow-cooling magma solidifies. It shares the same composition as basalt but …
Gabbro: Composition, Types, Properties, Uses – Geology In
Gabbro is a coarse-grained, mafic intrusive igneous rock formed from the slow cooling of magnesium-rich and iron-rich magma into a holocrystalline mass deep beneath the Earth's …
Gabbro | Igneous Rock, Mafic Minerals & Plutonic Intrusions
Gabbro, any of several medium- or coarse-grained rocks that consist primarily of plagioclase feldspar and pyroxene. Essentially, gabbro is the intrusive (plutonic) equivalent of basalt, but …
Gabbro Rock (Facts, Composition, and Uses) Lots of Pictures
2023年9月9日 · 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 …
Gabbro: Identification, Pictures & Info for Rockhounds
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 …
Gabbro - Geology is the Way
Gabbro is a plutonic igneous rock and the intrusive counterpart of basalt. Gabbros are essentially constituted by Calcium-rich plagioclase (>An50), clinopyroxene (augite, diopside), and iron …
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