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Partial melting occurs where the solidus and liquidus temperatures are different. For single minerals this can happen when they exhibit solid solution, for example in olivines between iron and magnesium. In rocks made up of several different minerals, some will melt at lower temperatures than others.
If a rock is close to its melting point and some water (a flux that promotes melting) is added to the rock, the melting temperature is reduced (solid line versus dotted line), and partial melting starts. The partial melting of rock happens in a wide range of situations, most of which are related to plate tectonics.
Answers & Comments
Answer:
the temperature of rock will increase
Explanation:
Answer:
If a rock is close to its melting point and some water (a flux that promotes melting) is added to the rock, the melting temperature is reduced (solid line versus dotted line), and partial melting starts. The partial melting of rock happens in a wide range of situations, most of which are related to plate tectonics.
Explanation:
no need
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