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All About Rocks-1 (in Hindi)
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Highly recommended course for UPSC Know everything about Rocks..

UPSC Manthan Guild
Experience new prowess with Sudarshan Gurjar, Arti Chhawari, Ashish Singh, Sakshi Mittal,Kapil Kathpal

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Hello sir app kaise hai
sir hmne phle hi aapko follow krke rocks chapter padh liya h
  1. GEOGRAPHY ALL ABOUT ROCKS HINDI / ENGLISH


  2. ROCKS (eeCr) The materials of the crust or lithosphere are generally called as rocks. The word lithosphere, in fact, means rock sphere as the literal meaning of 'lithos' is rock.


  3. IMPORTANT ELEMENTS OF THE WHOLE EARTH AND THE CRUST (uie) WHOLE EARTH EARTH'S CRUST ELEMENTS PERCENTAGE ELEMENTS PERCENTAGE Iron Oxygen Silicon Magnesium Nickel Oxygen Silicon Aluminium Iron Magnesium 35 15 8 13 2.


  4. IMPORTANT MINERALS OF ROCKS EAUI) The silicate mineralsare very important rock making minerals. Mineral groups are quartz, feldspar and Ferro magnesium. generally a hard and resistant mineral. used in ceramics and glass industry Ferro magnesium mineral are formed. Feldspar which is also very important economically because it is


  5. Marble Limestone CARBONATE GROUP OF MINERALS: is very much succeptible to chemical weathering (31Mara and erosion (3 ) in humid areas. Calcite is the most important mineral of this group. Limestone and marbles having abundant calcite.


  6. CLASSIFICATION OF ROCKS (CTff ) 1) IGNEOUS ROCKS ) formed due to cooling, solidification and crystallization of molten earth materials know as magma(below the earth's surface) and lava(on the earth's surface) E-g-Basalt, granites etc. 2) SEDIMENTARY ROCKS (37THrt) :-Formed through the compression and cementation of the sediments deposited in a particular place mainly aquatic areas. E.g.- Sandstones, limestone.


  7. SULPHIDE MINERALS:- Include pyrites, iron sulphides etc. These minerals come in contact with water or air, these form ferric hydroxides and sulphuric acid which cause serious environmental problems METALLIC ELEMENTS: Iron, aluminium etc. after reacting with atmospheric oxygen form metal oxides which are commercially very important.


  8. Feldspar Quartzite


  9. Basalt Granite Sandstone


  10. Basalt Granite Sandstone


  11. nacademy Sudarshan Gurjar unacademy #VerifiedEducator #PlusEducator #StarEducator