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Describe two ways a rock can undergo metamorphism?
Either by melting or by deposition.
What two properties of rock change during metamorphism?
During metamorphism, the texture and mineralogy of a rock can change. Texture refers to the size, shape, and arrangement of grains within the rock, while mineralogy refers to the types of minerals present in the rock.
What two geological processes are involved in changing sedimentary rock to a metamorphic rock?
The two processes resulting from sedimentary into metamorphic rock are known as contact metamorphism and regional metamorphism. Regional metamorphism most notably involves two tectonic plates colliding, while contact metamorphism occurs due to the intrusion of magma.
What is the difference between contact and metamorphism?
Contact metamorphism is metamorphism that happens when preexisting rock comes in contact with a molten rock or magma and it melts locally.Regional metamorphism is metamorphism happens when two plates collide the plate that subducts can melt by the heated area.
What are the two ways in which foliated rock form?
Foliated rocks form through regional metamorphism where intense heat and pressure create a banded or layered texture. They can also form through dynamic metamorphism, where deformation causes mineral alignment and banding in the rock.
What is the difference between regional and contact metamorphism?
Regional metamorphism is the creation of metamorphic rock from large geographically significant processes like plate tectonics. Contact metamorphism is the creation of metamorphic rock from the proximity of an existing rock to a heat source provided by a plutonic intrusion.
What kind of metamorphism occurs when intrusive magma forms a sill between two sedimentary rock strata?
contact metamorphism
What rocks are formed by changes in heat and pressure or the pressure of hot watery fluids?
Metamorphic Rocks are formed two ways: Regional Metamorphism Contact Metamorphism In regional, two plates collide and through pressure and friction to change igneous rock to metamorphic. In contact (more familiar to me) lava (hot liquid?) contacts any type of rock and doesn't not melt but sorta loosens it up so the crystals inside can rearrange.
What are two ways that can poduce metamorphic rocks?
Two ways in which metamorphic rocks are 1) contact metamorphism (thermal) where magma comes in direct contact with surrounding igneous rock and changes it due to high temperatures and usually low pressure. 2) Regional metamorphism (dynamothermal) ,high pressures and low temperature eg mountain ranges. or 3) Cataclastic metamorphism, heat as a result of friction due to two plate meeting or passing each other.
What two processes can change a rock into a metamorphic rock?
The two processes resulting from sedimentary into metamorphic rock are known as contact metamorphism and regional metamorphism. Regional metamorphism most notably involves two tectonic plates colliding, while contact metamorphism occurs due to the intrusion of magma.
What are the two changes of a rock of metamorphism?
When rock changes into metamorphic rock, its appearance, texture, crystal structure, and mineral content change.
In what two ways can the parent rock affect the metamorphic process?
The mineral composition and texture of the parent rock can influence the resulting minerals and texture of the metamorphic rock formed. Additionally, the temperature and pressure conditions experienced by the parent rock will determine the extent of metamorphism and the types of minerals formed.
