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How does sedimentary rock change into igneous rock?

Answer 1

High Temperatures and Pressures; Cooling and Hardening

Sedimentary rocks undergo melting and return to magma when subjected to extreme heat and pressure; they then cool, solidify, and form igneous rocks.

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Answer 2

Victoria Argento

Sedimentary rock can change into igneous rock through a process called "recrystallization" or "metamorphism." This occurs when sedimentary rocks are subjected to high temperatures and pressures deep within the Earth's crust or mantle. Under these conditions, the minerals in the sedimentary rock can melt and recrystallize, forming new igneous rock. Additionally, sedimentary rocks can also be incorporated into magma through processes like subduction or melting during volcanic activity, where they undergo partial or complete melting and solidify as igneous rock upon cooling.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.