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Article: Oceanic lithosphere 2. The origin and evolution of oceanic lithosphere: Bathymetry and morphology of the ocean basins

TitleOceanic lithosphere 2. The origin and evolution of oceanic lithosphere: Bathymetry and morphology of the ocean basins
Authors
Issue Date1998
PublisherGeological Association of Canada. The Journal's web site is located at http://www.gac.ca/JOURNALS/geocan.html
Citation
Geoscience Canada, 1998, v. 25 n. 3, p. 128-138 How to Cite?
AbstractThe development of high-precision surveying instruments over the last 30 years has made possible the systematic mapping of the ocean basins, completely changing our view of the sea floor. What was once thought to be a featureless plain covered with sediment is now known to contain a variety of complex and intricate structures. Unlike terrestrial surfaces, which owe their shape largely to erosion, the sea floor preserves a much more continuous record of the volcanic and tectonic processes by which it was formed. The ocean basins are divided broadly into continental margins, abyssal depths, and mid-ocean ridges. Passive margins, such as those surrounding most of the Atlantic Ocean, typically have broad continental shelves underlain by great thicknesses of sedimentary rock, whereas active margins have narrow shelves and are characterized by subduction zones and volcanic arcs. Ocean basins adjacent to passive margins typically have flat abyssal plains underlain by turbidites, whereas those adjacent to active margins typically have a more irregular bathymetry broken by numerous abyssal hills. The morphology of the world-encircling mid-ocean ridges varies with spreading rate, and reveals a pattern of segmentation closely linked to the volcanic and tectonic processes associated with sea-floor spreading.
Persistent Identifierhttp://hdl.handle.net/10722/72727
ISSN
2015 Impact Factor: 1.225
2015 SCImago Journal Rankings: 0.577
References

 

DC FieldValueLanguage
dc.contributor.authorMalpas, Jen_HK
dc.contributor.authorRobinson, PTen_HK
dc.date.accessioned2010-09-06T06:44:32Z-
dc.date.available2010-09-06T06:44:32Z-
dc.date.issued1998en_HK
dc.identifier.citationGeoscience Canada, 1998, v. 25 n. 3, p. 128-138en_HK
dc.identifier.issn0315-0941en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72727-
dc.description.abstractThe development of high-precision surveying instruments over the last 30 years has made possible the systematic mapping of the ocean basins, completely changing our view of the sea floor. What was once thought to be a featureless plain covered with sediment is now known to contain a variety of complex and intricate structures. Unlike terrestrial surfaces, which owe their shape largely to erosion, the sea floor preserves a much more continuous record of the volcanic and tectonic processes by which it was formed. The ocean basins are divided broadly into continental margins, abyssal depths, and mid-ocean ridges. Passive margins, such as those surrounding most of the Atlantic Ocean, typically have broad continental shelves underlain by great thicknesses of sedimentary rock, whereas active margins have narrow shelves and are characterized by subduction zones and volcanic arcs. Ocean basins adjacent to passive margins typically have flat abyssal plains underlain by turbidites, whereas those adjacent to active margins typically have a more irregular bathymetry broken by numerous abyssal hills. The morphology of the world-encircling mid-ocean ridges varies with spreading rate, and reveals a pattern of segmentation closely linked to the volcanic and tectonic processes associated with sea-floor spreading.en_HK
dc.languageengen_HK
dc.publisherGeological Association of Canada. The Journal's web site is located at http://www.gac.ca/JOURNALS/geocan.htmlen_HK
dc.relation.ispartofGeoscience Canadaen_HK
dc.titleOceanic lithosphere 2. The origin and evolution of oceanic lithosphere: Bathymetry and morphology of the ocean basinsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0315-0941&volume=25-3&spage=128&epage=138&date=1998&atitle=Oceanic+Lithosphere+2.+The+origin+and+evolution+of+oceanic+lithosphere:+Bathymetry+and+morphology+of+the+ocean+basinsen_HK
dc.identifier.emailMalpas, J: jgmalpas@hku.hken_HK
dc.identifier.authorityMalpas, J=rp00059en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0032459463en_HK
dc.identifier.hkuros47048en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032459463&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume25en_HK
dc.identifier.issue3en_HK
dc.identifier.spage128en_HK
dc.identifier.epage138en_HK
dc.publisher.placeCanadaen_HK
dc.identifier.scopusauthoridMalpas, J=7006136845en_HK
dc.identifier.scopusauthoridRobinson, PT=7403720506en_HK

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