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artesian well
(Encyclopedia) artesian well, deep drilled well through which water is forced upward under pressure. The water in an artesian well flows from an aquifer, which is a layer of very porous rock or…shale
(Encyclopedia) shale, sedimentary rock formed by the consolidation of mud or clay, having the property of splitting into thin layers parallel to its bedding planes. Shale tends to be fissile, i.e.,…lake, body of water
(Encyclopedia) lake, inland body of standing water occupying a hollow in the earth's surface. The study of lakes and other freshwater basins is known as limnology. Lakes are of particular importance…fossil
(Encyclopedia) fossil, remains or imprints of plants or animals preserved from prehistoric times by the operation of natural conditions. Fossils are found in sedimentary rock, asphalt deposits, and…seafloor spreading
(Encyclopedia) CE5 Schematic model of the oceanic crust, showing seafloor spreading seafloor spreading, theory of lithospheric evolution that holds that the ocean floors are spreading outward…plain
(Encyclopedia) plain, large area of level or nearly level land. Elevated plains are called plateaus, or tablelands, and very low, wet plains are called swamps. Plains have different names in…landslide
(Encyclopedia) landslide, rapid slipping of a mass of earth or rock from a higher elevation to a lower level under the influence of gravity and water lubrication. More specifically, rockslides are…Eocene epoch
(Encyclopedia) Eocene epochEocene epochēˈəsēnˌ [key], second epoch of the Tertiary period in the Cenozoic era of geologic time, from approximately 54.9 to 38 million years ago. The Eocene in North…Geology of the Grand Canyon: Chapter Iv. The Great Denudation.
CHAPTER III. THE TERRACES.CHAPTER V. THE TOROWEAP AND UINKARET.CHAPTER IV. THE GREAT DENUDATION.Before leaving the terraces we may with advantage pause to contemplate the great lesson in…Geomorphologist/Professor of Geography
Antony Orme Tell us about your work---what do you do? I work with erosion , sediment transport and landslides . I also teach at…Trending
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