{"refrec":{"BRefID":116067,"RR":"<b>Stow, D.A.V.; Tabrez, A.R.; Prins, M.A.</b> (2002). Quaternary sedimentation on the Makran margin: turbidity current-hemipelagic interaction in an active slope-apron system, <b><i>in</i></b>: Clift, P.D. <i>et al.</i> <i>The tectonic and climatic evolution of the Arabian Sea region. Geological Society Special Publication,</i> 195: pp. 219-236. <a href=\"https://dx.doi.org/10.1144/GSL.SP.2002.195.01.12\" target=\"_blank\">https://dx.doi.org/10.1144/GSL.SP.2002.195.01.12</a>","BEntID":329687,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Clift, P.D. <i>et al.</i> <i>The tectonic and climatic evolution of the Arabian Sea region. Geological Society Special Publication,</i> 195: pp. 219-236. <a href=\"https://dx.doi.org/10.1144/GSL.SP.2002.195.01.12\" target=\"_blank\">https://dx.doi.org/10.1144/GSL.SP.2002.195.01.12</a>","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Stow, D.A.V.; Tabrez, A.R.; Prins, M.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Stow, D.A.V.; Tabrez, A.R.; Prins, M.A.","Englishabstract":"The Makran slope-apron system is a stepped convergent margin across an active subduction complex. Shallow penetration piston cores have been recovered from the upper-slope region, three mid-slope basins and the abyssal plain. At most sites the upper 5-14 m of cored section is dominated by fine-grained, thin- to medium-bedded turbidites, averaging 5-10 turbidite events per metre of section. Oxygen isotope stratigraphy yields mean sedimentation rates of 50-95 cm ka<i>-1</i> and a turbidite frequency of one event per 200-300 a. The upper-slope site has fewer turbidites and a greater proportion of hemipelagic mud. Fine-grained turbidite sequences are common, with top-cut-out and base-cut-out sequences most evident. Markov chain analysis of the transition between turbidite divisions confirms the normal T0-T8 order of sequence divisions. In some cases there is an upward gradation into a hemiturbidite facies. The range of turbidite bed thicknesses can be approximated by both power-law and log-normal distributions, typical of seismic triggering on an active margin, or of frequent river-flood sediment input. Small-scale vertical variations of turbidite bed thickness recognized by autocorrelation techniques can be interpreted as the result of bed-relief compensation effects (compensation cycles). The lateral distribution of both turbidites and hemipelagites is influenced by sediment focusing along pathways between slope basins. At a larger scale, climate, sea-level and tectonic effects have all played an important role in shaping margin sedimentation.","AbstractOtherLang":null,"BibLvlCode":"AMS","StandardTitle":"Quaternary sedimentation on the Makran margin: turbidity current-hemipelagic interaction in an active slope-apron system","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2002,"MonPub":null,"DateUpdate":"2021-03-16","DateCreate":"2007-10-26","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":"WOS:000181985300012","VABBcode":null,"OpenAcc":0,"DOI":"10.1144/GSL.SP.2002.195.01.12"},"refs":null,"anarec":{"AnaID":116067,"PubliDate":2002,"Pagination":"219-236","XtraPublOfAnaID":null,"ISBN":null,"Volume":"195","Issue":null,"BRefMon":116003,"BRefMonRR":"<b>Clift, P.D. <i>et al.</i></b> (2002). The tectonic and climatic evolution of the Arabian Sea region. <i>Geological Society Special Publication</i>, 195. The Geological Society: London.  e-ISBN 9781862394438. VI, 525 pp. <a href=\"https://dx.doi.org/10.1144/GSL.SP.2002.195\" target=\"_blank\">https://dx.doi.org/10.1144/GSL.SP.2002.195</a>","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":5898,"SerRR":"<b>Hartley, A.J. <i>et al.</i> (Ed.)</b> Geological Society Special Publication. Geological Society of London: Oxford; London; Edinburgh; Boston, Mass.; Carlton, Vic..  ISSN 0305-8719; e-ISSN 2041-4927","StandardTitleSer":"Geological Society Special Publication","ISSN":"0305-8719","AbbrevSer":"Geol. Soc. Lond. 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