Geography
How are metamorphic rocks formed? Write two characteristics of metamorphic rocks.
Weathering
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Answer
When igneous or sedimentary rocks are subjected to excessive heat and pressure inside the earth, changes occur in their colour, hardness, texture and mineral composition. Such changed rocks are called metamorphic rocks.
Two characteristics of metamorphic rocks are:
- These rocks are very hard and have a high specific gravity.
- These rocks do not have empty spaces in them.
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