The New Encyclopaedia Britannica, Volume 16Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 464
... rocks . The process continues today , and during an average 24 - hour period , for example , approximately 2,000,000 tons of sediment are transported by the ... rocks , atentes , and bauxites argillaceous rocks atentes 464 Sedimentary Rocks.
... rocks . The process continues today , and during an average 24 - hour period , for example , approximately 2,000,000 tons of sediment are transported by the ... rocks , atentes , and bauxites argillaceous rocks atentes 464 Sedimentary Rocks.
Page 465
... mm 1 mm 1/256 mm fine ash fine tuff clay clay shale * Broken from previously consolidated igneous rock . Source : from F.J. Pettijohn , Sedimentary Rocks . ( rocks with more than 90 percent quartz , approximate- Sedimentary Rocks 465.
... mm 1 mm 1/256 mm fine ash fine tuff clay clay shale * Broken from previously consolidated igneous rock . Source : from F.J. Pettijohn , Sedimentary Rocks . ( rocks with more than 90 percent quartz , approximate- Sedimentary Rocks 465.
Page 466
... rocks ; fine and very fine grained carbonate rocks are called calcisiltites , calcilutites , or sometimes fine- grained limestones or dolostones ( dolomites ) . Shales are composed of the clay minerals , mostly silica and silicates ...
... rocks ; fine and very fine grained carbonate rocks are called calcisiltites , calcilutites , or sometimes fine- grained limestones or dolostones ( dolomites ) . Shales are composed of the clay minerals , mostly silica and silicates ...
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