Imperial College London
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Dr Cédric M. John

Faculty of Engineering, Department of Earth Science & Engineering

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cedric.john Website

 
 
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Location

 

N/ARoyal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Honig:2016:10.1016/j.gr.2016.11.007,
author = {Honig, M and John, C and Manning, C},
doi = {10.1016/j.gr.2016.11.007},
journal = {Gondwana Research},
pages = {100--117},
title = {Development of an equatorial carbonate platform across the Triassic-Jurassic boundary and links to global palaeoenvironmental changes (Musandam Peninsula, UAE/Oman)},
url = {http://dx.doi.org/10.1016/j.gr.2016.11.007},
volume = {45},
year = {2016}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - TheTriassic-Jurassicboundaryismarkedbyoneofthe‘bigfive’massextinctionsofthePhanerozoic.Thisboundaryeventwasaccompaniedbyseveralcarboncycleperturbations,potentiallyinducedbytheopeningoftheCentralAtlanticandassociatedvolcanism,andaccompaniedbyanoceanacidificationevent.Continuouscarbonatesuccessionscoveringthisintervalofenvironmentalchangearehoweverrare.Heredatafromashallow-marineequatorialmixedcarbonate-siliciclasticsuccessionispresented,thatwasstudiedonaregionalscale.Foursectionsthatare48kmapartwereexaminedontheMusandamPeninsula(UnitedArabEmiratesandSultanateofOman).Thesystemwasanalysedforitssedimentology,verticalandlateralfacieschanges,andstablecarbonandoxygenisotopes.StrontiumisotopeanalysiswasusedtodeterminethepositionoftheTriassic-Jurassicboundaryhorizon.ThestudiedrampexperiencedanepisodeofdemiseduringtheLateTriassic,followedbyarestrictedmicrobialitedominatedramp,containinglargeamountsofsiliciclasticfacies.DuringtheLatestTriassicthediversecarbonatefactoryrevivedandflourishedacrosstheTriassic-Jurassicboundary.NoclearevidenceforabiocalcificationcrisisoranoceanacidificationeventacrosstheTriassic-Jurassicboundaryisvisible.Lateralfaciesheterogeneitiescanbeobservedacrossthestudiedinterval,attributedtohydrodynamicactivity,includingtropicalstorms,crossingtheextensiveshelfarea.Althoughevidenceforsynsedimentarytectonicactivityispresent,theverticalstackingpatternislargelycontrolledbychangesinrelativesealevel.Therefinedchronostratigraphyaccompaniedbythedetailedenvironmentofdepositionanalysisallowsforarefinementoftheregionalpalaeogeography.TheneriticequatorialcarbonateramphasarchivedanegativecarbonisotopeexcursionprecedingtheTriassic-Jurassicboundarythathasalsobeenreportedfromotherstudysites.ThelackofevidenceforabiocalcificationcrisisacrosstheequatorialTriassic-JurassicboundaryindicatesthattheTethysdidnotexperienceadistinctglobalacidificationevent.
AU  - Honig,M
AU  - John,C
AU  - Manning,C
DO  - 10.1016/j.gr.2016.11.007
EP  - 117
PY  - 2016///
SN  - 1342-937X
SP  - 100
TI  - Development of an equatorial carbonate platform across the Triassic-Jurassic boundary and links to global palaeoenvironmental changes (Musandam Peninsula, UAE/Oman)
T2  - Gondwana Research
UR  - http://dx.doi.org/10.1016/j.gr.2016.11.007
UR  - http://hdl.handle.net/10044/1/43089
VL  - 45
ER  -
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