Questions and Answers
Rock may be defined as a hard mass of mineral matter comprising two or more ______ forming minerals. Earth crust - Igneous ______s 95% and Sedimentary ______s 5% Formation of Rocks: - The various processes that lead to the formation of ______s are: 1.Cooling and consolidation of Magma:- Rocks are formed by cooling and consolidation of molten magma with in or on the surface of the earth
rock
Study Notes
Definition of Rocks
- Rock is a hard mass of mineral matter comprising two or more rock forming minerals.
Composition of Earth's Crust
- Igneous rocks make up 95% of the Earth's crust.
- Sedimentary rocks make up 5% of the Earth's crust.
Formation of Rocks
- Cooling and consolidation of magma is a process that leads to the formation of rocks.
- Magma can cool and consolidate within or on the surface of the Earth.
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