* Marble: This is the most common metamorphic rock formed from limestone. Marble is a crystalline rock that is typically white or light-colored, but can also be colored by impurities like iron oxides or clay minerals. It is widely used in construction and sculpture.
* Skarn: This is a complex rock formed when limestone reacts with igneous intrusions. Skarn is often rich in various minerals, including garnet, pyroxene, and epidote.
* Calc-silicate rocks: These rocks are formed from the interaction of limestone with silica-rich fluids or rocks. They contain various minerals like wollastonite, tremolite, and diopside.
* Hornfels: A fine-grained, dense rock formed when limestone is metamorphosed by contact with hot magma. Hornfels can have a variety of colors depending on the impurities present.
* Quartzite: In some cases, especially with impure limestones containing significant silica, metamorphism can lead to the formation of quartzite.
The specific metamorphic rock formed from limestone depends on several factors, including:
* Temperature: Higher temperatures lead to more intense metamorphism and larger grain sizes.
* Pressure: Pressure can affect the mineral assemblage and texture of the metamorphic rock.
* Fluid activity: Fluids can transport elements and influence the reactions taking place during metamorphism.
* Composition of the original limestone: Impurities in the limestone can affect the resulting metamorphic rock.
