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How can granite change to metamorphic without changing into sedimentary?
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∙ 12y ago
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How can granite change into metamorphic without changing into sedimentary?
Granite becomes metamorphic by being subjected to immense heat and pressure, turning into gneiss.
Can igneous rock become metamorphic rock without first becoming sedimentary rock?
Yes. A prime example is that granite can undergo metamorphism and become gneiss.
Does rock melt when it is changing into metamorphic rock?
No, rock does not melt when it is changing into metamorphic rock. Metamorphic rocks form from pre-existing rocks, such as sedimentary or igneous rocks, through a process called metamorphism. This process involves changes in temperature, pressure, or the presence of fluids, which cause the minerals in the rock to recrystallize without melting.
What pr ocesses change sedimentary rocks into metamorphic rocks?
heat and pressure, but without melting.
Is sand a metamorphic?
No. Sandstone is sedimentary rock, where the individual grains of sand that compose the rock are visible without magnification. These individual grains of sand (sediment) have become compacted and cemented together in a process called lithification, forming a sedimentary rock.Metamorphic rock can be formed from virtually any parent rock (protolith) that has been subjected to heat and/or pressure, modifying its texture or mineral composition.Quartz sandstone, when metamorphosed, becomes the metamorphic rock 'quartzite'.
Is metamorphic rock made of sedimentary rock and igneous rock?
No, metamorphic rock is rock that has been modified by heat and pressure (without melting). Usually it is sedimentary rock that is modified into metamorphic rock. The main modification is usually removal of moisture and other volatiles. Rarely an igneous rock might be modified, but as they are usually very low in moisture and other volatiles the modifications are typically only minor.
How might a sedimentary rock become another sedimentary rock without first changing into another rock type?
A sedimentary rock becomes another sedimentary rock through erosion. The rock is eroded into bits, carried away, deposited and cemented and then lithified into a new sedimentary rock
How do metamorphic rocks become metamorphic rocks?
A metamorphic rock is an igneous, sedimentary, or another metamorphic rock that has been: 1) squeezed by incredible pressures deep underground, 2) has been exposed to very hot fluids, 3) has been exposed to very high temperatures without melt occurring, 4) combinations of numbers 1-3. Rock exposed to these conditions can be metamorphosed, altering its structure, mineral alignment, and possibly its chemistry.
What are plastic sedimentary rocks?
Plasticity is usually a term used in reference to metamorphic rocks, and refers to the plastic-like ability of very hot and intensely pressurized rocks to bend and alter their shape without fracturing.
What is the Definition for upwarped mountains?
A upwarped mountain is a mountain consisting of a broad area of the Earth's crust that has moved gently upward without much apparent deformation, and usually containing sedimentary, igneous, and metamorphic rocks
What does sandstone come from?
Basalt is an igneous rock and therefore, it does not have a parent rock or protolith. Metamorphic rocks are said to have parent rocks because they form by the deformation of other rocks through heat and pressure.
What are metamorphic rocks without layers called?
gneiss
