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Zigmanuir
2 months ago
10

1)) Name and describe two mechanisms by which mantle rock can melt without an increase in temperature.

Geography
1 answer:
Jlenok [340]2 months ago
7 0

Answer:

Termed as mantle melting

Explanation:

  • Mantle rocks have the ability to fracture and melt without a rise in temperature because of the excessive pressure on the rocks.
  • This phenomenon is referred to as decompression melting. Rocks can also melt within the mantle through dehydration, which leads to the formation of molten magma and lava.
  • As melting is not uniform, a diverse mix of mineral compositions occurs during subduction, alongside the presence of volatile elements like water or CO2.
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