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| − | [[Sediment]] made of [[mud]] or [[clay]]. | + | <div> |
| − | | + | [[[[Image:USN seal.JPG|500000px]] |
| − | Pellant, p. 251
| + | </div> |
| − | | + | <big><big><big><big><big><big><big><big><big><big><big><big><big><big><big><big>'''PWN! PWN! PWN PWN PWN! PWN! PWN! PWN PWN PWN! PWN! PWN!''' </big></big></big></big></big></big></big></big></big></big></big></big></big></big></big></big> |
| − | =Sources=
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| − | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995)
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| − | | |
| − | [[category:geology]]
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