This work reports a synthesis of biostratigraphic outputs resulting from over two decades of comprehensive analysis on the expressive stratigraphic record of the Aalenian of the Lusitanian Basin(Western Iberian Margin...This work reports a synthesis of biostratigraphic outputs resulting from over two decades of comprehensive analysis on the expressive stratigraphic record of the Aalenian of the Lusitanian Basin(Western Iberian Margin;Portugal).The rich and diverse ammonite record studied from ten marly and marlylimestones sections,outcropping in different sectors of the basin ranging from distal to proximal facies,has enabled the establishment of a detailed ammonite-based biostratigraphical framework correlated with other basins located around the Iberian Plate.The study of the benthic foraminiferal assemblages occurring in the basin at the same time interval has allowed the establishment of a biostratigraphic scale based on microfossils accurately calibrated with the ammonite record,an important tool in log interpretation in the context of hydrocarbon exploration activities in sedimentary basins of Jurassic age.展开更多
基金supported by FEDER funds through the Competitiveness Factors Operational Programme-COMPETE and national funds by FCT in the frame of the UID/Multi00073/2013 projectThe study is a contribution for the Projects CGL2011-23947 and CGL2011-25894(Ministerio de Ciencia e Innovación,Spain)+1 种基金for the Grupo de Investigación UCM 910431(Complutense University,Madrid,Spain).supported by the Consórcio Petrobras-Galp-Partex of Portugal.
文摘This work reports a synthesis of biostratigraphic outputs resulting from over two decades of comprehensive analysis on the expressive stratigraphic record of the Aalenian of the Lusitanian Basin(Western Iberian Margin;Portugal).The rich and diverse ammonite record studied from ten marly and marlylimestones sections,outcropping in different sectors of the basin ranging from distal to proximal facies,has enabled the establishment of a detailed ammonite-based biostratigraphical framework correlated with other basins located around the Iberian Plate.The study of the benthic foraminiferal assemblages occurring in the basin at the same time interval has allowed the establishment of a biostratigraphic scale based on microfossils accurately calibrated with the ammonite record,an important tool in log interpretation in the context of hydrocarbon exploration activities in sedimentary basins of Jurassic age.
