Sökning: "Late Cretaceous"

Visar resultat 1 - 5 av 16 avhandlingar innehållade orden Late Cretaceous.

  1. 1. Cretaceous palynofloras from southern Scandinavia

    Detta är en avhandling från Department of Geology, Lund University

    Författare :Vivi Vajda; [1998]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Paleobotanik; phylogeny; Palaeobotany; Cingutriletes scanicus sp. nov; Palynology; palynofacies; paleovegetation; transgression; Early Cretaceous; Cenomanian; Turonian; Bornholm; Denmark; Sweden; Scania; fylogeni; palynologi; Geology; physical geography; Geologi; fysisk geografi;

    Sammanfattning : A palynological investigation of Cretaceous sequences from Höllviken 2, Svedala 1 and Norrevång 1 wells of Scania, Southern Sweden, and from the Arnager Greensand-Arnager Limestone transition on the island of Bornholm, Denmark, was conducted. Well preserved palynofloras were found in strata consisting of shaly mudstones, glauconitic sandstones (greensand) and limestone. LÄS MER

  2. 2. Late Cretaceous calcareous nannoplankton and the extinctions at the Cretaceous-Tertiary boundary

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Anders S. Henriksson; Uppsala universitet.; [1994]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : .... LÄS MER

  3. 3. Jurassic and Early Cretaceous selachians - focus on southern Scandinavia

    Detta är en avhandling från Department of Geology, Lund University

    Författare :Jan Rees; Karlstads universitet.; [2001]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Biology; Biologi; Geology; Paleontologi; Palaeontology; Lissodus; palaeoecology; England; Denmark; Sweden; sharks; selachians; Jurassic; Early Cretaceous; physical geography; Geologi; fysisk geografi;

    Sammanfattning : Popular Abstract in Swedish De äldsta hajfossil man känner till kommer från devonperioden och är minst 380 miljoner år gamla. Under Mesozoikum (trias, jura och krita) dominerades hajfaunorna av hybodonta hajar under trias och första halvan av jura medan de moderna hajarna (Neoselachii) tog över från slutet av jura och numera är de enda levande hajarna på vår planet. LÄS MER

  4. 4. Geochemical and sedimentary signatures of Phanerozoic events

    Detta är en avhandling från Department of Geology, Lund University

    Författare :Jane Wigforss-Lange; [2007]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; geokemi; Sedimentology; Petrology; mineralogy; geochemistry; Petrologi; mineralogi; Carbon and oxygen isotopes; Jurassic-Cretaceous boundary; K-T boundary; Late Silurian; Events; Trace elements; Sedimentologi;

    Sammanfattning : Geological and biological catastrophic events have occurred repeatedly in the Earth's history, leaving traces in the global stratigraphical record in the form of sedimentary features, geochemical anomalies and biotic turnovers. This thesis focuses on the sedimentological and geochemical signatures of several key events in the Phanerozoic stratigraphical record, and aims to interpret the different signals and the causal mechanisms behind each of these events. LÄS MER

  5. 5. Palaeoenvironments, palaeoecology and palaeobiogeography of Late Cretaceous (Campanian) faunas from the Kristianstad Basin, southern Sweden, with applications for science education

    Detta är en avhandling från Lund University, Faculty of Science, Department of Geology, Lithosphere and Biosphere Science

    Författare :Elisabeth Einarsson; [2018]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; palaeoenvironments; palaeoecology; palaeobiogeography; Campanian; Kristianstad Basin; Teaching and Learning;

    Sammanfattning : This thesis is thematically divided into two sections: Part1 presents studies related to the palaeoenvironments,palaeoecology and palaeobiogeography of the LateCretaceous (Campanian) faunas from the KristianstadBasin of southern Sweden; Part 2 reports on applicationsof palaeontological research for science education inschools.Part 1 was based on personally conducted fieldworkand biostratigraphical analysis at various Santonian-Campanian localities throughout Skåne. LÄS MER