{"refrec":{"BRefID":143578,"RR":"<b>Malinverno, A.; Pockalny, R.A.</b> (1990). Abyssal hill topography as an indicator of episodicity in crustal accretion and deformation. <i>Earth Planet. Sci. Lett. 99(1-2)</i>: 154-169","BEntID":136761,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Earth Planet. Sci. Lett. 99(1-2)</i>: 154-169","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Malinverno, A.; Pockalny, R.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Malinverno, A.; Pockalny, R.A.","Englishabstract":"Recent studies of seafloor morphology suggest that abyssal hills are created at the ridge axis by the interplay of magmatic and tectonic processes; therefore, abyssal hills should be ideal indicators of episodicity. In this study, we use abyssal hill topography created near the ridge axis and subsequently transported onto the ridge flanks as a time series reflecting the episodicity in magmatism/tectonism at the ridge axis. If the creation of an abyssal hill is viewed as a discrete event, we can parameterize episodicity by considering a sequence of events of magnitude M (proportional to the relief or cross-sectional area of a hill) separated by time intervals Delta t (proportional to the spacing between hills). This analysis will allow us to decide if abyssal hills are periodic or if they are randomly distributed in time as a Poisson process. Ten profiles 200-1000 km long of unaveraged centerbeam Sea Beam, located along flowlines and covering a range of spreading rates (15-60 km/Ma half-rate), were used to measure locations and characteristics of the relief (cross-sectional area and height) of abyssal hills.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Abyssal hill topography as an indicator of episodicity in crustal accretion and deformation","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:32:52.928458","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1990,"MonPub":null,"DateUpdate":"2018-11-13","DateCreate":"2010-02-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1990DW90700014","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":143578,"PubliDate":1990,"Pagination":"154-169","XtraPublOfAnaID":null,"ISBN":null,"Volume":"99","Issue":"1-2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42615,"SerRR":"Earth and Planetary Science Letters. 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