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Which of the following is an example of formation of metamorphic rocks?
Formation of Chalk
Formation of Sandstone
Formation of Slate
Formation of Limestone
Formation of Slate
Metamorphic rocks are formed when existing igneous or sedimentary rocks undergo intense heat and pressure, causing physical or chemical changes without melting. Slate is a foliated metamorphic rock formed specifically from the low-grade metamorphism of shale or mudstone.
Metamorphic rocks are formed when existing igneous or sedimentary rocks undergo intense heat and pressure, causing physical or chemical changes without melting. Slate is a foliated metamorphic rock formed specifically from the low-grade metamorphism of shale or mudstone.
The Rock Cycle describes the geological transformation process where rocks are recycled over millions of years through lithification, metamorphism, and melting within the Earth's crust.
Metamorphism occurs deep within the Earth's crust due to tectonic pressure and geothermal gradients.
Foliation is a characteristic feature of metamorphic rocks where minerals align in parallel layers due to pressure.
Parent rock (protolith) of Slate is Shale, which is a fine-grained sedimentary rock.
Limestone and Chalk are sedimentary rocks formed by the accumulation of organic or chemical materials.
Sandstone is a classic example of a clastic sedimentary rock formed by the lithification of sand grains.
Marble is another common metamorphic rock formed by the metamorphism of limestone.
Gneiss is a high-grade metamorphic rock formed from the metamorphism of granite.
C is correct тАФ Slate is a metamorphic rock produced by the alteration of shale under low-grade regional metamorphism.
In Geography exams, remember that metamorphic rocks are often associated with mountain building (orogeny) because the high-pressure conditions required for their formation are present at convergent plate boundaries.