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Heat and pressure.

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What things have to increase from metamorphic rocks for it to form?

Temperature and Pressure.


What materials form Metamorphic Rocks?

Metamorphic rocks can form from the transformation of pre-existing rocks under high temperatures and pressures. Common parent rocks include shale, limestone, and granite. The minerals present in the parent rocks determine the types of metamorphic rocks that can form.


Can metamorphic rocks can form from igneous but not from sedimentary rocks?

Metamorphic rocks can form from both igneous and sedimentary rocks


Can Metamorphic rocks can form from igneous but not from sedimentary rocks.?

Metamorphic rocks can form from both igneous and sedimentary rocks


Can metamorphic rocks form form igneous but not from sedimentary rocks?

Metamorphic rocks can form from both igneous and sedimentary rocks through the process of heat and pressure, but they are more commonly associated with forming from existing metamorphic or sedimentary rocks. Igneous rocks can indirectly contribute to the formation of metamorphic rocks by heating up and altering surrounding rocks, leading to the formation of new metamorphic rocks.


Can metamorphic rocks form form other metamorphic rocks?

yes, all rocks can form from all others depending on pressure, etc


What rocks form from existing rocks?

metamorphic rock


What rocks recrystallize to form metamorphic?

Sedimentary rocks such as shale, limestone, and sandstone can recrystallize to form metamorphic rocks like slate, marble, and quartzite, respectively. Igneous rocks like basalt and granite can also undergo recrystallization to form metamorphic rocks such as greenstone and gneiss.


Do metamorphic rocks form quickly?

No


What makes a metamorphic rock unique?

Metamorphic Rocks are rocks that have changed form due to heat and pressure.


How do igneous rocks form into metamorphic and sedimentary rocks?

Igneous rocks can form metamorphic rocks by being subjected to high heat and pressure, causing recrystallization of minerals. Igneous rocks can also weather and erode to form sediment, which can then be deposited, compacted, and cemented to form sedimentary rocks.


How do igneous rocks form into metamorphic rocks?

by metamorfism of sandstone.