The theory of Plate Tectonics developed by geoscientists during early 1960s is often described as a most revolutionary concept in the history of GEOLOGY as a science. It is now widely accepted that most complex geological riddles, past and present, are solved conveniently by the concept of plate tectonics. According to this concept, supported of […]
Theory of Plate Tectonics | Earth | Geology
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List of Important Igneous Rocks | Geology
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Here is a list of eleven most important igneous rocks: 1. Granites 2. Diorite 3. Andesite 4. Syenites 5. Gabbro 6. Dolerites 7. Basalts 8. Pegmatites 9. Aplites 10. Lamprophyres 11. Peridotites. 1. Granites: Granites may be defined as plutonic light coloured igneous rocks. These are among the most common igneous rocks. The word granite […]
Igneous Rocks: Texture and Classification | Geology
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In this article we will discuss about the texture and classification of igneous rocks. Texture of Igneous Rocks: Factors Explaining Texture of Igneous Rocks: The following three factors will primarily define the type of texture in a given igneous rock: (a) Degree of Crystallization: In an igneous rock, all the constituent minerals may be present […]