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  • 2020-2024  (19)
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  • 1
    Publikationsdatum: 2023-07-06
    Beschreibung: The Latest Danian Event (LDE, ~ 62.2 Ma) is characterized by global changes in the carbon cycle as indicated by two negative δ13C excursions of up to ~ 1‰. These δ13C shifts are accompanied by a 2–3 °C warming of both surface and deep waters based on benthic and planktic foraminiferal δ18O measurements, and the LDE has, thus, been considered as a so-called hyperthermal event. The event lasted for 200 kyr and has been identified in various ocean basins and shallow marine settings. Here, we present a compilation of data from three deep-sea cores covering the Pacific, North and South Atlantic oceans as well as a southern Tethyan shelf section to document the response of planktic foraminifera assemblages to ocean warming. In all studied successions, we observe the disappearance of the planktic foraminifer genus Praemurica on a global scale that took place close to the onset of the LDE. Moreover, on the long run, praemuricids were contemporaneously replaced by morozovellids. Both the decline of Praemurica and a temperature increase started between 200 and 260 kyr before the LDE onset and were punctuated by the LDE itself. In this paper, we propose two mechanisms that have controlled the environmental changes associated with this event, (1) increased activity of the North Atlantic Igneous Province acting on long time-scales, and (2) changes of orbital parameters resulting in insolation changes on shorter time-scales. In contrast to a proposed muted benthic foraminiferal response, the planktic community has been substantially impacted by the LDE as indicated by changes in planktic foraminifera faunas and calcareous nannofossils. Finally, our quantitative and conventional approaches identifying stratigraphically important planktic foraminifera datum levels justify a revision of the upper Danian to lower Selandian planktic foraminifera biozonation.
    Beschreibung: Deutsche Forschungsgemeinschaft
    Beschreibung: KU Leuven http://dx.doi.org/10.13039/501100004040
    Beschreibung: Projekt DEAL
    Schlagwort(e): ddc:561 ; Paleocene ; Latest Danian Event ; Planktic foraminifera ; Biostratigraphy ; Paleoceanography
    Sprache: Englisch
    Materialart: doc-type:article
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
  • 3
    Publikationsdatum: 2023-12-14
    Beschreibung: The latest Cenomanian to Santonian sedimentary record recovered at IODP Site U1513 in the Mentelle Basin (SE Indian Ocean, paleolatitude about 60°S at 85 Ma) is studied to interpret the paleoceanographic evolution in the Southern Hemisphere. Here we present the planktonic and benthic foraminifera distribution and absolute abundances, calcareous nannofossils distribution, bulk carbonate and foraminifera carbon and oxygen stable isotope data from IODP Holes 1513A, 1513B, and 1513D. The data presented here document an interval in the Santonian during which the rate of southern high latitude cooling increased. Both surface and bottom waters were affected, although the cooling signal is more evident in the data for surface waters. This pattern of cooling ascribes the deterioration of the Late Cretaceous climate to decreased CO2 in the atmosphere and changes in the oceanic circulation correlated with enhanced meridional circulation.
    Schlagwort(e): Benthic foraminifera; Calcareous nannofossils; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Oxygen and carbon stable isotopes; Planktonic foraminifera; Santonian cooling.
    Materialart: Dataset
    Format: application/zip, 5 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 2023-12-14
    Schlagwort(e): 369-U1513A; 369-U1513B; 369-U1513D; Anomalinoides sp., δ13C; Anomalinoides sp., δ18O; Archaeoglobigerina cretacea, δ13C; Archaeoglobigerina cretacea, δ18O; Benthic foraminifera; Calcareous nannofossils; Colomia sp., δ13C; Colomia sp., δ18O; DEPTH, sediment/rock; Dicarinella hagni, δ13C; Dicarinella hagni, δ18O; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp369; Falsotruncana loeblichae, δ13C; Falsotruncana loeblichae, δ18O; Falsotruncana maslakovae, δ13C; Falsotruncana maslakovae, δ18O; Gavelinellinae, δ13C; Gavelinellinae, δ18O; Globigerina bulloides, δ13C; Globigerina bulloides, δ18O; Globigerinelloides sp., δ13C; Globigerinelloides sp., δ18O; Globotruncana arca, δ13C; Globotruncana arca, δ18O; Globotruncana hilli, δ13C; Globotruncana hilli, δ18O; Globotruncana linneiana, δ13C; Globotruncana linneiana, δ18O; Globotruncana neotricarinata, δ13C; Globotruncana neotricarinata, δ18O; Globotruncana ventricosa, δ13C; Globotruncana ventricosa, δ18O; Gyroidinoides sp., δ13C; Gyroidinoides sp., δ18O; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Lenticulina sp., δ13C; Lenticulina sp., δ18O; Marginotruncana angusticarenata, δ13C; Marginotruncana angusticarenata, δ18O; Marginotruncana coronata, δ13C; Marginotruncana coronata, δ18O; Marginotruncana pseudolinneiana, δ13C; Marginotruncana pseudolinneiana, δ18O; Marginotruncana pseudomarginata, δ13C; Marginotruncana pseudomarginata, δ18O; Muricohedbergella delrioensis, δ13C; Muricohedbergella delrioensis, δ18O; Muricohedbergella sp., δ13C; Muricohedbergella sp., δ18O; Notoplanulina sp., δ13C; Notoplanulina sp., δ18O; Nuttallides sp., δ13C; Nuttallides sp., δ18O; Oridorsalis sp., δ13C; Oridorsalis sp., δ18O; Oxygen and carbon stable isotopes; Planktonic foraminifera; Planoheterohelix globulosa, δ13C; Planoheterohelix globulosa, δ18O; Planoheterohelix papula, δ13C; Planoheterohelix papula, δ18O; Planomalina stephani, δ13C; Planomalina stephani, δ18O; Planulina sp., δ13C; Planulina sp., δ18O; Sample code/label; Santonian cooling.; Whiteinella baltica, δ13C; Whiteinella baltica, δ18O; Whiteinella brittonensis, δ13C; Whiteinella brittonensis, δ18O; Whiteinella paradubia, δ13C; Whiteinella paradubia, δ18O
    Materialart: Dataset
    Format: text/tab-separated-values, 1729 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Publikationsdatum: 2023-12-14
    Schlagwort(e): 369-U1513A; 369-U1513B; Ammodiscus cretaceus; Anomalinoides sp.; Anomalinoides undulatus; Aragonia velascoensis; Astacolus jarvisi; Astacolus sp.; Bathysiphon sp.; Benthic foraminifera; Calcareous nannofossils; Cibicidoides sp.; Citharina sp.; Colomia cretacea; Conorbina marginata; Dentalina catenula; Dentalina cylindroides; Dentalina legumen; Dentalina linearis; Dentalina reflexa; Dentalina sp.; Dentalinoides sp.; DEPTH, sediment/rock; Dorothia bulletta; Dorothia oxycona; Dorothia trochus; DRILL; Drilling/drill rig; Dry mass; DSDP/ODP/IODP sample designation; Ellipsodimorphina sp.; Ellipsoglandulina labiata; Ellipsoglandulina ovata; Ellipsoglandulina sp.; Ellipsoidella binaria; Ellipsoidella cylindroides; Ellipsoidella divergens; Ellipsoidella pleurostomelloides; Ellipsoidella primitiva; Ellipsoidella sp.; Eponides sp.; Event label; Exp369; Fissurina alata; Foraminifera, benthic; Foraminifera, benthic, anoxic fauna; Foraminifera, benthic, epifaunal; Foraminifera, benthic, oxic fauna; Foraminifera, benthic, suboxic fauna; Foraminifera, benthic indeterminata; Foraminifera, planktic; Frondicularia mucronata; Frondicularia sp.; Gaudryina pyramidata; Gavelinella cf. costata; Gavelinella compressa; Gavelinella eriksdalensis; Gavelinella insculpta; Gavelinella sp.; Gavelinella spp.; Gavelinella stephensoni; Glandulina bicamerata; Glandulina sp.; Globorotalites conicus; Globorotalites michelinianus; Globorotalites sp.; Globorotalites spineus; Globulina lacrima; Guttulina sp.; Gyroidinoides diversus; Gyroidinoides exsertus; Gyroidinoides girardianus; Gyroidinoides globosus; Gyroidinoides michelinianus; Gyroidinoides nitidus; Gyroidinoides nodus; Gyroidinoides praeglobosa; Gyroidinoides quadratus; Gyroidinoides sp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Laevidentalina sp.; Lagena apiculata; Lagena emanciata; Lagena sp.; Lenticulina acutauricula; Lenticulina cf. nodosa; Lenticulina macrodisca; Lenticulina muensteri; Lenticulina sp.; Lituotuba sp.; Marginulina bullata; Marginulina sp.; Marginulina stephensoni; Marginulina tichae; Marginulinopsis sp.; Neoeponides lunata; Nodosaria aspera; Nodosaria limbata; Nodosaria prismatica; Nodosaria sp.; Notoplanulina rakauroana; Notoplanulina sp.; Nuttallinella coronula; Nuttallinella florealis; Nuttallinella sp.; Oolina sp.; Oolina spp.; Oridorsalis primitivus; Oridorsalis umbonatus; Osangularia sp.; Oxygen and carbon stable isotopes; Paralabamina hillebrandti; Planktonic foraminifera; Planularia sp.; Pleurostomella copiosa; Pleurostomella obtusa; Pleurostomella sp.; Praebulimina reussi; Praebulimina sp.; Pseudouvigerina sp.; Pullenia americana; Pullenia jarvisi; Quadrimorphina allomorphinoides; Quadrimorphina camerata; Quadrimorphina sp.; Radiolarians; Ramulina sp.; Recurvoides sp.; Reophax subfusiformis; Reussella szajnochae; Rhabdammina; Sample code/label; Santonian cooling.; Saracenaria navicula; Saracenaria sp.; Sigmoilina sp.; Siphonodosaria sp.; Stilostomella plummerae; Vaginulina sp.; Valvulineria erugata; Valvulineria muchisonensis; Valvulineria sp.
    Materialart: Dataset
    Format: text/tab-separated-values, 8865 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Publikationsdatum: 2023-12-14
    Schlagwort(e): 369-U1513A; 369-U1513B; 369-U1513D; Ahmuellerella octoradiata; Amphizygus brooksii; Amphizygus megalops; Amphizygus minimus; Arkhangelskiella confusa; Arkhangelskiella specillata; Assipetra terebrodentarius; Benthic foraminifera; Biscutum anthracenum; Biscutum coronum; Biscutum dissimile; Biscutum melaniae; Biscutum notaculum; Biscutum ubiquens; Biscutum zulloi; Broinsonia enormis; Broinsonia furtiva; Broinsonia signata; Bukrylithus ambiguus; Calcareous nannofossils; Calciosolenia fossilis; Calculites ovatus; Chiastozygus amphipons; Chiastozygus bifarius; Chiastozygus platyrhethus; Chiastozygus stylesi; Corollithion exiguum; Corollithion signum; Cretarhabdus conicus; Cretarhabdus crenulatus; Cretarhabdus surirellus; Cribrosphaerella ehrenbergii; Cyclagelosphaera margerelii; Cyclagelosphaera reinhardtii; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Eiffellithus angustus; Eiffellithus casulus; Eiffellithus digitatus; Eiffellithus eximius; Eiffellithus perchnielseniae; Eiffellithus turriseiffelii; Eprolithus floralis; Eprolithus moratus; Eprolithus octopetalus; Event label; Exp369; Gartnerago costatum; Gartnerago obliquum; Gartnerago segmentatum; Glaukolithus bicrescenticus; Glaukolithus diplogrammus; Grantarhabdus coronadventis; Haqius circumradiatus; Helenea chiastia; Helicolithus compactus; Helicolithus trabeculatus; Helicolithus turonicus; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Kamptnerius magnificus; Lapideacassis spp.; Liliasterites angularis; Lithastrinus grillii; Lithastrinus septenarius; Lithraphidites carniolensis; Lucianorhabdus arcuatus; Lucianorhabdus cayeuxii; Lucianorhabdus maleformis; Lucianorhabdus quadrifidus; Manivitella pemmatoidea; Marthasterites furcatus; Microrhabdulus belgicus; Microrhabdulus decoratus; Microrhabdulus helicoideus; Micula adumbrata; Micula concava; Micula cubiformis; Micula staurophora; Miravetsina ficula; Nannofossil abundance; Nannofossils preservation; Octocyclus reinhardtii; Oxygen and carbon stable isotopes; Perissocyclus fenestratus; Placozygus fibuliformis; Placozygus praesigmoides; Planktonic foraminifera; Prediscosphaera bukryi; Prediscosphaera columnata; Prediscosphaera cretacea; Prediscosphaera desiderograndis; Prediscosphaera incohatus; Prediscosphaera intercisa; Prediscosphaera ponticula; Prediscosphaera spinosa; Quadrum gartneri; Quadrum intermedium; Radiolithus planus; Reinhardtites anthophorus; Reinhardtites biperforatus; Repagulum parvidentatum; Retecapsa angustiforata; Rhagodiscus angustus; Rhagodiscus splendens; Rhomboaster sp.; Rotelapillus biarcus; Rotelapillus crenulatus; Sample code/label; Santonian cooling.; Seribiscutum primitivum; Staurolithites crux; Staurolithites elongatus; Staurolithites flavus; Staurolithites imbricatus; Staurolithites mielnicensis; Staurolithites parma; Stoverius achylosus; Stoverius asymmetricus; Stoverius biarcus; Stoverius coronatus; Tegumentum stradneri; Tetrapodorhabdus decorus; Thiersteinia ecclesiastica; Tranolithus minimus; Tranolithus orionatus; Watznaueria barnesiae; Watznaueria biporta; Watznaueria fossacincta; Zeugrhabdotus acanthus; Zeugrhabdotus embergeri; Zeugrhabdotus howei; Zeugrhabdotus kerguelenensis; Zeugrhabdotus moulladei; Zeugrhabdotus scutula; Zeugrhabdotus sisyphus; Zeugrhabdotus spp.; Zeugrhabdotus trivectis
    Materialart: Dataset
    Format: text/tab-separated-values, 15990 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Publikationsdatum: 2023-12-14
    Schlagwort(e): 369-U1513A; 369-U1513B; 369-U1513D; Archaeoglobigerina cretacea; Benthic foraminifera; Calcareous nannofossils; Contusotruncana fornicata; DEPTH, sediment/rock; Dicarinella canaliculata; Dicarinella hagni; Dicarinella imbricata; Dicarinella marginata; DRILL; Drilling/drill rig; Dry mass; DSDP/ODP/IODP sample designation; Event label; Exp369; Falsotruncana loeblichae; Falsotruncana maslakovae; Foraminifera, benthic; Foraminifera, planktic; Foraminifera, planktic, biserial; Foraminifera, planktic, intermediate dweller; Foraminifera, planktic, surface dweller; Foraminifera, planktic, thermocline; Globigerinelloides alvarezi; Globigerinelloides aspera; Globigerinelloides bollii; Globigerinelloides cf. aspera; Globigerinelloides ehrenbergi; Globigerinelloides multispinus; Globigerinelloides prairiehillensis; Globigerinelloides sp.; Globigerinelloides ultramicrus; Globigerinelloides yaucoensis; Globotruncana arca; Globotruncana bulloides; Globotruncana cf. arca; Globotruncana cf. linneiana; Globotruncana hilli; Globotruncana linneiana; Globotruncana neotricarinata; Globotruncana sp.; Globotruncana spp.; Guembelitria sp.; Huberella sp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Liuenella falklandica; Marginotruncana angusticarenata; Marginotruncana coldreriensis; Marginotruncana coronata; Marginotruncana pseudolinneiana; Marginotruncana pseudomarginata; Marginotruncana sp.; Microhedbergella praeplanispira; Microhedbergella pseudodelrioensis; Muricohedbergella cf. planispira; Muricohedbergella crassa; Muricohedbergella delrioensis; Muricohedbergella flandrini; Muricohedbergella holmdelensis; Muricohedbergella monmouthensis; Muricohedbergella planispira; Muricohedbergella simplex; Muricohedbergella sliteri; Muricohedbergella sp.; Oxygen and carbon stable isotopes; Planktonic foraminifera; Planoheterohelix cf. globulosa; Planoheterohelix globulosa; Planoheterohelix moremani; Planoheterohelix papula; Planoheterohelix planata; Planoheterohelix sp.; Praeglobotruncana delrioensis; Praeglobotruncana sp.; Praeglobotruncana stephani; Pseudotextularia nuttalli; Radiolarians; Sample code/label; Santonian cooling.; Schackoina cenomana; Schackoina sp.; Species diversity; Whiteinella aprica; Whiteinella aumalensis; Whiteinella baltica; Whiteinella brittonensis; Whiteinella hoezli; Whiteinella paradubia; Whiteinella sp.
    Materialart: Dataset
    Format: text/tab-separated-values, 12835 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Publikationsdatum: 2023-12-14
    Schlagwort(e): 369-U1513A; 369-U1513D; Benthic foraminifera; Calcareous nannofossils; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp369; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Oxygen and carbon stable isotopes; Planktonic foraminifera; Sample code/label; Santonian cooling.; δ13C, bulk carbonate; δ18O, bulk carbonate
    Materialart: Dataset
    Format: text/tab-separated-values, 141 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Publikationsdatum: 2024-04-25
    Schlagwort(e): 369-U1513; Benthic and planktonic foraminifera; Calcareous nannofossils; calcispheres; Carbon, organic, total; COMPCORE; Composite Core; DEPTH, sediment/rock; Exp369; IODP Depth Scale Terminology; Joides Resolution; Oceanic Anoxic Event 2; Paleoceanography; Radiolaria; Stable carbon and oxygen isotopes
    Materialart: Dataset
    Format: text/tab-separated-values, 41 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Publikationsdatum: 2024-04-25
    Schlagwort(e): 369-U1513A; 369-U1513D; AGE; Benthic and planktonic foraminifera; Calcareous nannofossils; calcispheres; Comment; DEPTH, sediment/rock; derived; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Exp369; IODP Depth Scale Terminology; Joides Resolution; Laboratory; Latitude of event; Longitude of event; Oceanic Anoxic Event 2; Paleoceanography; Radiolaria; Sample code/label; Stable carbon and oxygen isotopes; δ13C, bulk carbonate; δ18O, bulk carbonate
    Materialart: Dataset
    Format: text/tab-separated-values, 1417 data points
    Standort Signatur Erwartet Verfügbarkeit
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