How is called the elevation changes in a mountain region
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When rocks change form in the rock cycle, you see an example of the conservation of matter, where the total amount of matter in the system remains constant. This means that rocks may transform through processes like erosion, deposition, heat, and pressure, but the total mass of the rocks remains the same throughout the cycle.
An example that is not part of the rock cycle would be a volcanic eruption, where molten rock (magma) is expelled from Earth's interior onto its surface. This event is a singular occurrence and does not illustrate the continuous processes of rock formation, transformation, and recycling that make up the rock cycle.
Marble is formed from the metamorphism of limestone, a sedimentary rock. This process involves the recrystallization of the calcium carbonate minerals present in limestone under high temperature and pressure conditions. Marble is an example of a metamorphic rock in the rock cycle.
ANSWER: rock cycle
The rock cycle has to start at least with igneous rocks, some of which will be eruptive. We may assume that any 'sedimentary' rocks that arrived as meteors have all been metamorphosed, though there are counter instances. For example the Sudbury Meteor and mineral complex. (Canada).