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sediments    音标拼音: [s'ɛdəmənts]
n. 沉淀物

沈淀物


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  • Sediment - Wikipedia
    Sediments are most often transported by water (fluvial processes), but also wind (aeolian processes) and glaciers Beach sands and river channel deposits are examples of fluvial transport and deposition, though sediment also often settles out of slow-moving or standing water in lakes and oceans
  • Sediment - National Geographic Society
    Over millions of years, layers of sediment may build up and harden into sedimentary rock Some of the many forms of sedimentary rock include sandstone, rock salt, and coal Sandstone forms as sand hardens For centuries, sandstone has been mixed with sticky cement to form concrete
  • Sedimentary rock | Definition, Formation, Examples, Characteristics . . .
    Sedimentary rocks are the lithified equivalents of sediments They typically are produced by cementing, compacting, and otherwise solidifying preexisting unconsolidated sediments
  • Sediments | US EPA
    This page introduces the sediments module, when to list sediments as a candidate cause, ways to measure sediments, simple and detailed conceptual diagrams for sediments, sediments module references and literature reviews
  • 12. 1 Classifying Sediments – Introduction to Oceanography
    All regions of the seafloor contain some form of sediment, although there are many different types of sediments from a variety of sources, and the amount of accumulated sediment can vary greatly from place to place Globally, ocean sediments average about 1 km thick, but they can exceed 15 km thick in areas of high accumulation (Figure 12 1 1)
  • What is a sediment? - The Institute for Environmental Research and . . .
    Sediments are invaluable archives of Earth’s past environments By analyzing the grain size, composition, sedimentary structures, and fossil content of sedimentary rocks, geologists can reconstruct ancient landscapes, determine the climate, and track changes in sea level
  • Sediments - an overview | ScienceDirect Topics
    Sediments are particulate matter that can be or have been transported by fluids, wind, or glaciers and which might have been deposited as a layer of solid particles in a dense packed suspension at the bottom of water bodies
  • Sediment - New World Encyclopedia
    Sediments may be transported by the action of streams, rivers, glaciers, and wind Desert sand dunes and loess (fine, silty deposits) are examples of eolian (wind) transport and deposition Glacial moraine (rock debris) deposits and till (unsorted sediment) are ice -transported sediments
  • 6. 2: Classification of Sediments - Geosciences LibreTexts
    Sediments are separated into categories to facilitate comparisons with each other and communication among scientists There are a number of classification schemes The most widely used schemes are based either on the range of sizes of the particles (grains) that make up the sediment or on the origin of the predominant particles in the sediment
  • 8. 4 Weathering and Erosion Produce Sediments
    8 4 Weathering and Erosion Produce Sediments The visible products of weathering and erosion are the unconsolidated materials that we find around us on slopes, beneath glaciers, in stream valleys, on beaches, and in deserts The loose collection of material is referred to as sediment, and the individual pieces that make it up are called clasts





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