Thread: Geography Notes- Paper A
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Old Sunday, March 02, 2014
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2-SEDIMENTARY ROCKS
Q.2. What are sedimentary rocks? How are they formed classify them and describe their economic importance.


1. SEDIMENTARY ROCKS (DEFINITION)

2. FORMATION OF SEDIMENTARY ROCKS

3. CLASSIFICATION OF SEDIMENTARY ROCKS
i. Organically Formed Sedimentary Rocks
a. Calcareous sedimentary rocks
b. Carbonaceous sedimentary rocks
c. Siliceous sedimentary rocks
d. Ferruginous sedimentary rocks

ii. Inorganic Sedimentary Rocks
a. Mechanically/Clastic formed sedimentary rocks
• Arenaceous sedimentary rocks
• Argillaceous sedimentary rocks

b. Chemically formed sedimentary rocks

4. CHARACTERISTICS OF SEDIMENTARY ROCKS


5. ECONOMIC IMPORTANCE OF SEDIMENTARY ROCKS

6. KINDS OF SEDIMENTARY ROCKS
 Sandstone:
 Shale:
 Conglomerate:
 Limestone:
 Dolomite:
 Gypsum:
 Coal:
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