作者: M. J. R. Gee , D. G. Masson
DOI: 10.1007/978-3-642-55846-7_45
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摘要: The Saharan debris flow is a long runout, late Quaternary failure event initiated on the continental slope south of Canary Islands (Fig. 1). Its volurne ∼1,100 km3, and it extends ∼ 700 km from 20–80 m high slump scars slope, almost to edge abyssal plain (Embley 1976, 1982; Jacobi Hayes 1992; Masson et al. 1993; Gee 1999). Piston cores 3.5 kHz profile data indicate that two phase event, consisting highly fluid basal volcanidastic pelagic upper (Gee 1999).The distinctive in cores, as consists white or pale brown oozes. thinner mainly coarse black sand Canaries, mixed with 10% day grade sediment. Both phases were emplaced by single large lower rise 60 ka 2). Open image new window Fig. 1. Location map showing NW African marg in. Locations areas shown Figs. 2, 4 5 are shown. Contours below sea level Open 2. Map west based eore data. Depth contouring (5 intervals) upper, was possible due its transparency profiles. For location, see Fig. 1. Conlours level