Planet Granite

Planet Granite:Granite is the most widely distributed acid deep diagenetic rock, rich in SiO2, generally in 65 -- 75%, is a supersaturated silicic acid state.Porphyritic structure with orthoclase as the main is called porphyritic granite, porphyritic crystal with plagioclase and amphibole as the main porphyritic granodiorite.

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Planet Granite


Granite is the most widely distributed acid deep diagenetic rock, rich in SiO2, generally in 65 -- 75%, is a supersaturated silicic acid state.Porphyritic structure with orthoclase as the main is called porphyritic granite, porphyritic crystal with plagioclase and amphibole as the main porphyritic granodiorite.


Porphyritic granites are mostly produced by large - scale bedrock or rock strains.The main minerals are orthoclase, acid plagioclase and quartz, containing a small amount of biotite and ordinary amphibole and other dark minerals.In granite, orthoclase is more than plagioclase, and there are few dark minerals, which are mainly biotite.In granodiorite, plagioclase is more than orthoclase, there are more dark minerals, and amphibole is the main one.The whole length is red or grayish white with black spots.Granite is porphyritic if the matrix crystals are large (fine-medium grains) and the rocks have porphyritic structures.Granite with porphyritic structure is usually called porphyritic granite and less called porphyritic granite because of its porphyritic crystal.


Under the influence of postmagmatic action, the porphyritic granite is prone to microcline feldspathization, sodium feldspathization, yuntzian petrolization, sericitization and other alteration.Mineralization of rare metals often occurs in alteration areas of rock masses.Porphyritic granites often form large rock masses such as batholith and rock strain, which exist in fold belt and form stable crystalline basement of ancient platform.Granite structure is uniform, beautiful and compression resistant, is a high quality building materials.


Because the decorative pattern that porphyry crystal forms, porphyry granite can make adornment material more.Producing area is very much, be like shandong sunshine "sunshine is red" it is an example namely.
In addition, porphyritic granites belong to feldspathic rocks, whose wide distribution is not only an important sign that continental crust differs from oceanic crust, but also an important feature that distinguishes the earth from terrestrial planets.This kind of rock is not only a window to understand the major earth science issues such as crustal growth and crust-mantle interaction, but also closely related to mineral resources, so it has been one of the main research objects of earth science.


A brief introduction to planetary granite products:


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Simple pictures of planetary granite products:


giallo california granite


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