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1) What is rock? List the rock types that have been formed on Earth. Describe the formation of each rock type.

2) With the aid of a sketch, explain the texture of igneous rock.

3) Sedimentary rock has three subgroups. Illustrate and explain the texture of clastic sedimentary rock.

4) What is foliation? List the types of foliations. Sketch and discuss all types of foliations.

Answer :

The above prompt dicusses various type of rock and the formation. See the explantion below.

What is the explanation for the above?

1) Rock is a natural solid made of minerals. Types include igneous, sedimentary, and metamorphic, each formed differently.

2) Igneous rock texture varies. Coarse-grained has visible crystals, while fine-grained has indistinguishable crystals.

3) Clastic sedimentary rock has grains or fragments cemented together. It forms through the accumulation of pre-existing rock fragments.

4) Foliation is the parallel alignment of mineral grains in metamorphic rocks. Types include slaty cleavage, schistosity, and gneissic banding.

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