Sedimentary Rocks

 

Rock Names

Texture
  conglomerate.jpg (29870 bytes)
Conglomerate		 > 2mm (gravel)

Detrital
  sandstone.jpg (28397 bytes)
Sandstone		 2 - 1/16 mm (sand)


shale.jpg (30418 bytes)
Shale
 

 < 1/16 mm (silt/clay)
  limestone.jpg (32752 bytes)
Limestone		 CaCO3

Chemical
  chert.jpg (23375 bytes)
Chert		 SiO2
  bauxite.jpg (28094 bytes)
Bauxite		 Al2O3 - clays

bituminous.jpg (25105 bytes)
Bituminous Coal		 Plant Carbon

 

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