Principles of Geology |
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2 pages matching sedimentary rock formed at surface by the accumulation and cementation of fragments of earlier rocks, minerals, and organisms in this book
Page 23
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Contents
Introduction | 1 |
3 The Record of the Rocks | 20 |
5 Erosion | 66 |
Copyright | |
6 other sections not shown
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Common terms and phrases
areas atoms basalt basins beds beneath bottom breccia calcite canyons carbon channel Chapter chemical clay coal coarse contain continental cross section crystals currents debris deep density deposits depth desert dikes downslope dunes earth earth's crust earthquake eroded erosion fault feet feldspar Figure floor folds formed fossils fragments geologic map geologists glacial glaciers gradient grains granite granodiorite gravel gravity ground water horizontal igneous rocks ions isostasy lake land lava layers limestone load lower magma marine masses material measured ments metamorphic rocks miles minerals Mohorovičić discontinuity mountain move movement nearly ocean particles Photo plagioclase Pleistocene plutonic quartz ranges reefs rhyolite ridges river sand sandstone sea level sedi sedimentary rocks sediments shale shells shown silicates silt slope soil steep strata stream structure surface thick thrust faults tion topographic turbidity currents U. S. Geological Survey unconformity valley velocity volcanic water table waves weathering wind zone

