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Chert
Chert

Travertine
Travertine



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Chert
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Travertine

Formation of Chert and Travertine

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Formation

Formation

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.
Travertine is a type of sedimentary rock formed when a river carries or transports pieces of broken rock which then undergo sedimentation. They are then subjected to high temperature and pressure hence forming travertine rock.

Composition

Mineral Content

Quartz, Silicon
Calcite, Clay, Feldspar, Micas, Quartz

Compound Content

Silicon Dioxide
Ca, NaCl, CaO, Oxygen

Transformation

Metamorphism

Types of Metamorphism

Not Applicable
Not Applicable

Weathering

Types of Weathering

Not Applicable
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion

Chert and Travertine Formation

Formation of rocks is a long process and hence, Chert and Travertine formation sounds very interesting. According to the formation, all rocks are divided into :Igneous Rocks, Sedimentary 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 Chert and Travertine, composition of Chert and Travertine and their transformation.