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Formation of Itacolumite and Pumice


Formation of Pumice and Itacolumite


Formation

Formation
Itacolumite is a sedimentary rock which forms from cemented sand-sized clasts and is a type of sandstone.   
Pumice rock forms when the magma cools so quickly that atoms in the melt are not able to arrange themselves into a crystalline structure.   

Composition
  
  

Mineral Content
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz   
Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide   
Al, Aluminium Oxide, CaO, Carbon Dioxide, MgO, Silicon Dioxide   

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Impact Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion, Wind Erosion   
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion   

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Itacolumite and Pumice Formation

Formation of rocks is a long process and hence, Itacolumite and Pumice 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 Itacolumite and Pumice, composition of Itacolumite and Pumice and their transformation.

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Fossil Rocks

Fossil Rocks

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