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Normally when sedimentary rocks are squashed and heated they do indeed change, they become metamorphic rocks. e.g. mud will be turned into slate - limestone into marble etc.
As the metamorphic temperature and pressure increase still further, most sedimentary rocks end up as Granulites or Banded Gneisses which look very much like igneous rocks (Granites).
In the extreme, sedimentary rocks can melt, and these melts will form new magmas which will eventually harden to form new igneous rocks.
What else can I help you with?
How the igneous rocks change?
Igneous rocks change to Metamorphic rocks through heat and pressure. Igneous rocks change to sedimentary rocks through weathering and erosion until the igneous rock is sediments. The sediments then compact to form sedimentary rocks.
When igneous and sedimentary rocks change then what happened next?
they change into metamorphic rocks
What is required to change an igneous rock into a sedimentary rock?
Igneous rocks are a "finished product". They do not become sedimentary rock - though sedimentary rocks, with heat and pressure can become metamorphic rocks.
What can make Sedimentary Rocks and Igneous Rocks change into Metamorphic Rocks?
heat and pressure.
How do rocks change from metamorphic or sedimentary rocks to igneous rocks?
Metamorphic and sedimentary rocks can change into igneous rocks through the process of melting and cooling. When subjected to intense heat and pressure, the rocks can melt and form magma. This magma can then cool and solidify, forming igneous rocks.
What are three types of rocks?
igneous, sedimentary, metamorphic
What kinds of rocks can be change into metamorphic rocks?
Many kinds of rocks both of igneous and sedimentary nature eg; Limestone (sedimentary ) to marble or granite or diorite (igneous) to gneiss.
Are sedimentary rocks are harder than igneous rocks?
No, igneous rocks are harder than sedimentary rocks on average.
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
What process helps change metamorphic and igneous rocks into sedimentary rocks?
Weathing and erosion.
What processes help change metamorphic and igneous rocks to sedimentary rocks?
The rock cycle
