Contrasting carbonate depositional systems for Pliocene cool-water limestones cropping out in central Hawke's Bay, New Zealand

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dc.contributor.authorCaron, Vincenten_US
dc.contributor.authorNelson, Campbell S.en_US
dc.contributor.authorKamp, Peter J.J.en_US
dc.date.accessioned2008-03-19T05:09:04Z
dc.date.available2007-04-18en_US
dc.date.available2008-03-19T05:09:04Z
dc.date.issued2004-12-01en_US
dc.description.abstractPliocene limestone formations in central Hawke's Bay (eastern North Island, New Zealand) accumulated on and near the margins of a narrow forearc basin seaway within the convergent Australia/Pacific plate boundary zone. The active tectonic setting and varied paleogeographic features of the limestone units investigated, in association with probable glacioeustatic sea-level fluctuations, resulted in complex stratigraphic architectures and contrasting types of carbonate accumulation on either side of the seaway. Here, we recognise recurring patterns of sedimentary facies, and sequences and systems tracts bounded by key physical surfaces within the limestone sheets. The facies types range from Bioclastic (B) to Siliciclastic (S) end-members via Mixed (M) carbonate-siliciclastic deposits. Skeletal components are typical cool-water associations dominated by epifaunal calcitic bivalves, bryozoans, and especially barnacles. Siliciclastic contents vary from one formation to another, and highlight siliciclastic-rich limestone units in the western ranges versus siliciclastic-poor limestone units in the eastern coastal hills. Heterogeneities in facies types, stratal patterns, and also in diagenetic pathways between eastern and western limestone units are considered to originate in the coeval occurrence in different parts of the forearc basin of two main morphodynamic carbonate systems over time.en_US
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dc.identifier.citationCaron, V., Nelson, C.S., & Kamp, P.J.J. (2004). Contrasting carbonate depositional systems for Pliocene cool-water limestones cropping out in central Hawkes Bay, New Zealand. New Zealand Journal of Geology and Geophysics. 47(4), 697-717.en_US
dc.identifier.doi10.1080/00288306.2004.9515084en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/172
dc.language.isoen
dc.publisherSIR Publishingen_NZ
dc.relation.isPartOfNew Zealand Journal of Geology & Geophysicsen_NZ
dc.relation.urihttp://www.rsnz.org/publish/nzjgg/2004/051.phpen_US
dc.rightsThis article has been published in the New Zealand Journal of Geology and Geophysics. (c) 2004 Royal Society of New Zealand.en_US
dc.subjectcool-water limestonesen_US
dc.subjectcarbonate platformsen_US
dc.subjectattached platformsen_US
dc.subjectdetached platformsen_US
dc.subjectdepositional faciesen_US
dc.subjectstratigraphic architectureen_US
dc.subjectPlioceneen_US
dc.subjectHawke's Bayen_US
dc.titleContrasting carbonate depositional systems for Pliocene cool-water limestones cropping out in central Hawke's Bay, New Zealanden_US
dc.typeJournal Articleen_US
pubs.begin-page697en_NZ
pubs.elements-id30429
pubs.end-page717en_NZ
pubs.issue4en_NZ
pubs.volume47en_NZ
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