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==Characterisics Of Major Classes Sandstones==
 
==Characterisics Of Major Classes Sandstones==
Fig. 2. Pettijohn Classification of Sandstone (Derived from Nichols, 2009)
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[[File:Sandstone_Fig-2.png|center|frame|300px|Fig. 2. Pettijohn Classification of Sandstone (Derived from Nichols, 2009)
 
The kind of sandstones was classified by Pettijohn, 1975. This classification based on the main component of sandstone. Most sandstones are made up of mixtures o a very small number of dominant framework components, like quartz, feldspars, and rock fragments are commonly abundant enough to be important in sandstone classification.
 
The kind of sandstones was classified by Pettijohn, 1975. This classification based on the main component of sandstone. Most sandstones are made up of mixtures o a very small number of dominant framework components, like quartz, feldspars, and rock fragments are commonly abundant enough to be important in sandstone classification.
  

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