When mantle peridotite partially melts beneath an oceanic ridge, ________ magma is produced?

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21-11-2017
Chemistry

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When mantle peridotite partially melts beneath an oceanic ridge, ________ magma is produced?

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W0lf93 W0lf93 · Answer 1 · 2017-11-30T22:55:29+01:00

W0lf93 W0lf93

30-11-2017

Basaltic or mafic magma is produced when mantle peridotite partially melts below and oceanic ridge.

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lcoley8 lcoley8 · Answer 2 · 2020-02-27T03:47:15+01:00

Answer:

When mantle peridotite partially melts beneath an oceanic ridge, basaltic magma is produced?

Explanation:

Basaltic magma is produced by the partial fusion of the peridotites of the mantle. These peridotites are characterized by being much denser rocks than basalt and are formed by pyroxenes and different silicates and olivines. The latter does not melt, those that do are pyroxenes and some minerals poorer in silica. Basaltic magmas are characteristic of oceanic dorsals.