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At the highest temperatures and pressures, high-grade metamorphism occurs forming high-grade metamorphic rocks. The main example of this is gneiss.

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What rock is a rock that looks mellted but it isn't?

A rock that looks melted but hasn't actually melted is likely a type of metamorphic rock called migmatite. Migmatites form when rocks are subjected to high temperatures and pressures, causing partial melting that gives them a banded or swirled appearance resembling melted rock.


What rock is squeezed and heated to form marble?

Limestone is the rock that is squeezed and heated to form marble. The high pressures and temperatures cause the limestone to recrystallize and become the metamorphic rock known as marble.


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 metaporhic rocks form in to igneous rocks but not to sedementry rocks?

Yes, metamorphic rocks can be subjected to high temperatures and pressures which can cause them to melt and recrystallize into igneous rocks. This process is known as anatexis. Metamorphic rocks can also undergo weathering and erosion to form sedimentary rocks.


When do Metamorphic rocks form?

Metamorphic rocks form when existing rocks, such as sedimentary or igneous rocks, are subjected to high temperatures and pressures within the Earth's crust. This can occur due to tectonic activity, such as mountain-building processes, or by being buried deep within the Earth's crust.


Type of rocks made when other rocks are subjected to heat and pressure?

Metamorphic rocks are formed when existing rocks are subjected to high temperatures and pressures, causing them to recrystallize and change form without melting. Examples include marble, slate, and quartzite.


When a rock is altered by extreme heat and pressure what type of rock is the results?

The result is a metamorphic rock. Metamorphic rocks form when existing rocks are subjected to high temperatures and pressures, causing them to recrystallize and change in mineral composition and texture. Examples include marble (from limestone) and slate (from shale).


What two rock types are formed by transfer of heat?

Igneous an Metamorphic are the two types of rock that are formed with the help of heat .


Would you expect to find more metamorphic rocks in the middle of a plate or near a plate boundary?

Metamorphic rocks are more likely to form near a plate boundary where tectonic forces such as compression and shearing are strong, leading to high temperatures and pressures that are conducive to metamorphism. In contrast, regions in the middle of a plate are generally characterized by lower tectonic activity, and therefore, are less likely to experience the conditions necessary for metamorphism to occur.


In order to form magma what must happen to sedimentary metamorphic or igneous rocks?

In order to form magma, sedimentary, metamorphic, or igneous rocks must be exposed to high temperatures and pressures deep within the Earth's crust. This process causes the rocks to partially melt, forming molten rock called magma.


Which process can cause metamorphic rock to change into igneous rock?

Metamorphic rock can change into igneous rock through the process of partial melting. When metamorphic rock is exposed to high temperatures and pressures in the Earth's crust, some of its mineral components may melt and re-crystallize into new igneous rock as the magma cools and solidifies.


What is a metamophic rock?

a metamorphic rock is a rock that is formed from heat and pressure it can form from a sedimentary or igneous an example of a metamorphic rock is marble metamorphic rocks can have foliation like banding or layers.