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gabbro Igneous rocks

Avatar 37a3bd7bc7328f0ead2c0f6f635dddf60615e676e6b4ddf964144012e529de45 varsha asked over 2 years ago

What is gabbro Igneous rocks ?

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Avatar 37a3bd7bc7328f0ead2c0f6f635dddf60615e676e6b4ddf964144012e529de45 answered over 2 years ago

Gabbro  refers to a large group of dark, often phaneritic (coarse-grained), mafic intrusive igneous rocks chemically equivalent to basalt. It forms when molten magma is trapped beneath the Earth’s surface and slowly cools into a holocrystallinemass.

Much of the Earth’s oceanic crust is made of gabbro, formed at mid-ocean ridges. Gabbro is also found as plutons associated with continental volcanism. Due to its variant nature, the term “gabbro” may be applied loosely to a wide range of intrusive rocks, many of which are merely “gabbroic”.

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