Topic : Geography

 GEOGRAPHY 

CVS ACADEMY brings you a complete set of question and answers on Indian Geography including physical features, climate, drainage system, human geography, economic geography, and world geography. 

Rocks and it types 

1. Study of rocks is called = Petrology 

2. The region the rocks are formed inside the earth is called = Rock former zone 

3. Rocks are basically divided into three types = Igneous, sedimentary, metamorphic rocks 

4. Igneous rocks are those rocks which are formed bythe solidification of molten Rocky matter 

5. Igneous rocks are divided into extrusive rocks and intrusive rocks 

6. Intrusive rocks are further divided into Plutonic rocks and Intrusive rock

7. Example for extrusive rock = Basalt 

8. Example for intrusive rocks = Batholith, Laccoliths , sill,and Dike rock 

9. Example for Plutonic rock = Granite 

10. The size of the crystals are largest in Plutonic rock 

11. In Plutonic rocks their will not be layers , fossils,joints 

12. Sedimentary rocks is one which is formed by the sedimentation of material 

13. Sedimentary rocks is of following types  = 1. Mechanical sedimentary rocks

2. Chemical sedimentary rocks

3. Calciferous sedimentary

4. Carboniferrous sedimentary rocks

14. Metamorphic rocks = If one rock that is formed in nature that changes in to other form the process is called Metamorphosis 

15. The process involved may be because of temperature, pressure that is why it is called Thermal metamorphosis .

📍Following are the examples of rocks :-

1. Sand rock = Mechanical sedimentary rock 

2. Slate = Metamorphosis 

3. Shale = chemical sedimentary rock 

4. Quartz ite = Metamorphic rock 

5. Lime stone = Chemical sedimentary rock 

6. Marble = Metamorphic rock 

7. Granite = Plutonic rock 

8. Gneiss = Metamorphic rock 

9. Anthracite = Metamorphic rock

10. Sibutimite = Carboniferrous sedimentary rocks 

11. Bituminite = sedimentary rock

12. Lignite = sedimentary rock

13. Coal = sedimentary rock

14. Diamond = Metamorphic rock

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