which kind of rock requires heat and pressure to form?

The kind of rock that requires heat and pressure to form is called a metamorphic rock. Metamorphic rocks arise from the transformation of existing rocks through a process called metamorphism, where the rocks are subjected to elevated temperatures (typically above 150 to 200 °C) and high pressure, causing physical or chemical changes without melting the rock. This process can transform igneous, sedimentary, or other metamorphic rocks into new types of metamorphic rocks. Common examples include slate, marble, schist, and quartzite.