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Temperature and Pressure.

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What has to increase for metamorphic rocks to form?

Heat and pressure.


What are the main things that cause metamorphic rocks to form?

the main things that cause metamorphic rocks to form is heat, pressure and chemical fluids.


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.


What are the main things that cause rocks to form?

the main things that cause metamorphic rocks to form is heat, pressure and chemical fluids.


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


How do metamorphic rocks form from metamorphic rocks?

Sedimentary rocks form from layers of sand, silt or clay, sometimes mixed with pebbles, and the bodies of living things (that may the be fossilised) The rocks are often quite soft. Metamorphic rocks form when rocks (usually sedimentary rocks) are subjected to extreme heat and/or pressure, usually deep underground. The rocks are changed in form, often becoming harder. Fossils are usually destroyed by the process.


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