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Metamorphic rocks are created when compressed at high temperatures, as temperatures drop, they just start to solidify more, instead of becoming liquid again.

A similar process is drying clay, as the clay dries, it becomes harder.

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Q: Why aren't metamorphic rocks 'unmetamorphosed' as temperatures drop?
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Do metamorphic rocks have different kinds of minerals from their parent rocks?

Of course they can. The overall compositions of the rocks will remain the same (assuming a closed system, which isn't always the case), but mineralogically there will be changes due to metamorphic pressures and temperatures. There are a whole list of minerals which only formed from metamorphic processes.


Which metamorphic rocks form under high stress and low to moderate temperatures in subduction zones?

Blueschist


What features of sedimentary rocks are unlikely to be found in metamorphic rocks what features of metamorphic rocks do not occur in sedimentary rocks?

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What rocks are formed by the effect of heat and pressure on other rocks?

the metamorphic rocks are formed by heat and extreme pressure from other rocks


Why Doesn't metamorphic rock occur at temperatures 1000 degrees or higher?

if rock melts it will form magma, which leads to the formation of igneous rocks

Related questions

Which metamorphic rocks are most likely to have formed the highest temperatures and pressures?

Gneiss is a metamorphic rock that meets those criteria.


Which metamorphic rocks are most likely to have formed at the highest temperatures and pressure?

Gneiss is a metamorphic rock that meets those criteria.


What rocks are formed from high temperature and pressures?

Rocks formed from high temperature and pressure include metamorphic rocks such as marble, schist, and gneiss. These rocks are created deep within the Earth's crust through the transformation of existing rock types under intense heat and pressure conditions.


Rock formed by heat and pressure?

Rock formed by heat and pressure is called metamorphic rock. It is created when existing rocks are subjected to high temperatures and pressures, causing them to recrystallize into new forms. Examples of metamorphic rocks include marble, slate, and gneiss.


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.


These rocks form from previously existing rocks that have been altered by heat and pressure?

These rocks are metamorphic rocks. They form when existing rocks (igneous, sedimentary, or other metamorphic rocks) undergo high temperatures and pressure deep within the Earth's crust, causing their minerals to recrystallize and new minerals to form. Metamorphic rocks can have distinct textures and structures depending on the intensity of the heat and pressure they experienced.


What are rocks changed by intense pressure and heat become new rocks called?

Rocks changed by intense pressure and heat become new rocks called metamorphic rocks. These rocks form when existing rocks undergo changes in texture and mineral composition due to high temperatures and pressures. Examples of metamorphic rocks include marble, slate, and gneiss.


Which type of rock change due to heat and pressure?

Metamorphic rocks change due to heat and pressure. These rocks are transformed from existing rocks that are subjected to high temperatures and pressures, causing them to recrystallize into new forms with different mineral compositions. Examples of metamorphic rocks include marble, slate, and schist.


Slate and marble are examples of what kind of rock family?

Slate and marble are examples of metamorphic rocks. They are formed when existing rocks undergo high temperatures and pressures, causing them to recrystallize into new forms with different characteristics.


What rocks are changed by high tempatures and high pressure?

Igneous, metamorphic, and sedimentary rocks can be changed by high temperatures and pressure, and the resultant rock is called metamorphic, because its form has been changed.


Do metamorphic rocks have different kinds of minerals from their parent rocks?

Of course they can. The overall compositions of the rocks will remain the same (assuming a closed system, which isn't always the case), but mineralogically there will be changes due to metamorphic pressures and temperatures. There are a whole list of minerals which only formed from metamorphic processes.


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.