Formation of Marble and Limestone

Marble

Limestone

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1 Formation

1.1 Formation

Marble is a metamorphic rock produced from limestone in the earth crust. It is formed by the metamorphism of limestone.

Limestone is a sedimentary rock which is mainly made up of calcium carbonate.

1.2 Composition

1.2.1 Mineral Content

Garnet, Graphite, Olivine, Pyrite, Quartz

Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt

1.2.2 Compound Content

CaO, Iron(III) Oxide, FeO, MgO, Silicon Dioxide

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, MgO

1.3 Transformation

1.3.1 Metamorphism

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1.3.2 Types of Metamorphism

Impact Metamorphism

Not Applicable

1.3.3 Weathering

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1.3.4 Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

1.3.5 Erosion

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1.3.6 Types of Erosion

Chemical Erosion, Coastal Erosion

Marble and Limestone Formation

Formation of rocks is a long process and hence, Marble and Limestone formation sounds very interesting. According to the formation, all rocks are divided into :Igneous Rocks, Fossil Rocks and Metamorphic Rocks. Igneous rocks form by crystallization of magma or lava. The magma is made up of various components of pre-existing rocks which have been subjected to melting either at subduction zones or within the Earth's mantle. Igneous rocks are generally seen at mid ocean ridges or in intra-plate hotspots. Sedimentary rocks are formed when sediments accumulate gradually. As the sediments are buried they get compacted as more and more material is deposited on top. Eventually the sediments become so dense that they form a rock. Metamorphic rocks are rocks which once existed as igneous or sedimentary rocks but have been subjected to varying degrees of pressure and heat within the Earth's crust. Get to know all about formation of Marble and Limestone, composition of Marble and Limestone and their transformation.