Question

Write chemical and mineralogical composition of different rocks.

Answer 1

As we know that the rocks are of three types.

1.Igneous

2.Sedimentary

3.Metamorphic

Chemical Composition:

1.Igneous:

The chemical composition includes

Perthite,Amphibole,Leucite,Iron oxide(||).

2.Sedimentary:

The chemical composition includes

Kerogen,Glauconite

3.Metamorphic:

Gedrite,Humite,Fassite

Mineralogical Composition:

1.Igneuous:

The mineralogical Composition includes

It has mainly two groups felsic and mafic

Felsic:quartz,feldspar,tridymite

Mafic: olivine,biotite,pyroxene

2.Sedimentary:

The mineralogical Composition includes

Calcite,dolomite,aragonite

3.Metamorphic:

The mineralogical Composition includes

Sillimanite,Kyanite,Staurolite

Hope you understand this.

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