Gurmeet Singh posted an Question
August 25, 2020 • 18:17 pm 30 points
  • IIT JAM
  • Geology (GG)

Sir do we study this term "multiple intrusion" and how we differentiate it with composite volcanoes.

sir do we study this term "multiple intrusion" and how we differentiate it with composite volcanoes.

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    Sajan sarthak

    assimilation if county rock is mixed up with the magam in vent

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    as we say it xenolith.?

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    xenolith is any foreign particles in the magma

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    Rahul kumar best-answer

    The answer of this question should be composite intrusion. Please see the details mentioned below. Composite intrusion: Any igneous intrusion that is composed of two or more injections of different chemical and mineralogical composition. Multiple intrusion: Any type of igneous intrusion that has been produced by several injections separated by periods of crystallization. Chemical composition of the various injections is approximately the same. In short composite intrusion means intrusion of magma of different compositions and multiple intrusion means intrusion of same type of magma several times at some interval.

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    Sajan sarthak Best Answer

    Composite intrusion An igneous intrusion is simple if it consists of the products of a single injection, multiple if it contains more than one injection of the same magma type, and composite if it is made up of a number of injections of different magma types.

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