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Fundamentals of Physical Geography: Minerals & Rocks Video Lecture | NCERT Video Summary: Class 6 to Class 12 (English) - UPSC

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FAQs on Fundamentals of Physical Geography: Minerals & Rocks Video Lecture - NCERT Video Summary: Class 6 to Class 12 (English) - UPSC

1. What are minerals and rocks?
Ans. Minerals are naturally occurring inorganic substances with a specific chemical composition and atomic structure. Rocks, on the other hand, are aggregates of minerals or mineraloids. They are solid and formed through various geological processes.
2. How are minerals and rocks classified?
Ans. Minerals are classified based on their chemical composition and physical properties, such as color, hardness, and crystal shape. Rocks, on the other hand, are classified based on their formation processes, mineral composition, and texture.
3. What are the three main types of rocks?
Ans. The three main types of rocks are igneous, sedimentary, and metamorphic rocks. Igneous rocks are formed from the solidification of molten magma or lava. Sedimentary rocks are formed from the accumulation and cementation of sediments. Metamorphic rocks are formed through the transformation of existing rocks under high temperature and pressure.
4. How are minerals and rocks important in physical geography?
Ans. Minerals and rocks play a crucial role in physical geography. They provide valuable insights into the Earth's history, processes, and landforms. They also contribute to soil formation, affect the distribution of vegetation, and influence the availability of natural resources.
5. Can you give examples of common minerals and rocks?
Ans. Common minerals include quartz, feldspar, mica, calcite, and hematite. Common rocks include granite, sandstone, limestone, shale, and marble. These examples represent only a fraction of the wide variety of minerals and rocks found on Earth.
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