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Metamorphism
01
a complete change in the form and structure of a rock as a result of heat and pressure
例
The intense heat and pressure deep within the Earth's crust cause metamorphism, transforming sedimentary rock into metamorphic rock.
Geologists study metamorphism to understand the processes that shape the Earth's interior over millions of years.
During metamorphism, the minerals within a rock undergo chemical changes, resulting in a completely new rock type.
Regional metamorphism occurs over large areas and is typically associated with mountain-building events.
Contact metamorphism happens when rocks are heated by nearby magma, leading to localized changes in the rock's structure and composition.
