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Gabbro
Gabbro

Chert
Chert



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Gabbro
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Chert

Formation of Gabbro and Chert

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1 Formation
1.1 Formation
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.
Chert forms when microcrystals of silicon dioxide grow within soft sediments that become limestone or chalk. The chert formation can be either of chemical or biological origin.
1.2 Composition
1.2.1 Mineral Content
Augite, Olivine, Plagioclase, Pyroxene
Quartz, Silicon
1.2.2 Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
Silicon Dioxide
1.3 Transformation
1.3.1 Metamorphism
1.3.2 Types of Metamorphism
Impact Metamorphism
Not Applicable
1.3.3 Weathering
1.3.4 Types of Weathering
Chemical Weathering
Not Applicable
1.3.5 Erosion
1.3.6 Types of Erosion
Coastal Erosion
Chemical Erosion

Gabbro and Chert Formation

Formation of rocks is a long process and hence, Gabbro and Chert 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 Gabbro and Chert, composition of Gabbro and Chert and their transformation.