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Mid-Latitude Slope Deposits (Cover Beds)
B. TerhorstA. KleberE. Bibus
其他書名
Chapter 7. Relative Dating with Cover Beds
出版Elsevier Inc. Chapters, 2013-02-26
主題Science / Environmental ScienceTechnology & Engineering / Environmental / General
ISBN01280794369780128079430
URLhttp://books.google.com.hk/books?id=xXJ2DAAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋Cover beds are usually not regarded of use for relative dating. The examples discussed in this chapter demonstrate otherwise. Central European cover beds usually are of Pleistocene age, and they can be utilized for distinguishing older landforms, such as slope failures, covered by one or more cover beds, from those which are not covered by periglacial deposits. In the western USA, where intervening soil-forming episodes provide a stratigraphic framework for such deposits, the stratigraphic value of cover-bed and soil successions is tested on various types of landforms. However, dating landforms relatively by overlying cover beds calls for due consideration of erosion-induced hiatuses and of tectonically induced processes out of phase with those driven by climate.