Formation of Limestone and Picrite

Limestone

Picrite

Add ⊕

Formation

Mineral Content

Compound Content

Metamorphism

Types of Metamorphism

Weathering

Types of Weathering

Erosion

Types of Erosion

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

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

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

✔✘

Biological Weathering, Chemical Weathering, Mechanical Weathering

✔✘

Chemical Erosion, Coastal Erosion

Picrite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Biotite, Olivine, Plagioclase, Pyrrhotite

Al, CaO, Carbon Dioxide, Mg, MgO

✔✘

Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism, Regional Metamorphism

✔✘

Biological Weathering

✔✘

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

Limestone and Picrite Formation

Formation of rocks is a long process and hence, Limestone and Picrite 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 Limestone and Picrite, composition of Limestone and Picrite and their transformation.