Sökning: "Stratigraphy"

Visar resultat 16 - 20 av 80 avhandlingar innehållade ordet Stratigraphy.

  1. 16. Event stratigraphy for the Last Glacial-Holocene transition in eastern middle Sweden

    Författare :Jonas Björck; Michael J.C Walker; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Last Glacial-Holocene transition; event stratigraphy; eastern middle Sweden; pollen; plant macrofossils; marine calcareous fossils; microtephra; radiocarbon dating; clay varve chronology; GRIP; ice-core chronology; calendar year chronology; Preboreal oscillation; Yoldia Sea; Baltic Ice Lake; Quaternary Geology; kvartärgeologi;

    Sammanfattning : This thesis outlines an event stratigraphy for the Last Glacial-Holocene transition in eastern middle Sweden. Events are short-lived occurrences that have left traces in the geological record and which, therefore, may be used for correlation and inter-regional comparisons. LÄS MER

  2. 17. Neogene lacustrine deposits in the inland basins of northern Greece : stratigraphy, paleoenvironment, paleomagnetism and industrial usefulness

    Författare :Panagiotis Kirittopoulos; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Intensive tectonism in Neogene time created basins and mountain ranges in northern Greece with considerable topographic contrasts. The basins were successively filled with sediments up to a level of about +750 m. LÄS MER

  3. 18. Diagenesis and Reservoir-Quality Evolution of Deep-Water Turbidites: Links to Basin Setting, Depositional Facies, and Sequence Stratigraphy

    Författare :Howri Mansurbeg; Sadoon Morad; Ihsan Al-Aasm; Uppsala universitet; []
    Nyckelord :Bedrock geology; Diagenesis; reservoir quality; active margin; passive margin; depositional facies; sequence stratigraphy; Berggrundsgeologi;

    Sammanfattning : A study of the distribution of diagenetic alterations and their impact on reservoir-quality evolution in four deep-water turbidite successions (Cretaceous to Eocene) from basins in active (foreland) and passive margins revealed the impact of tectonic setting, depositional facies, and changes in the relative sea level. Diagenetic modifications encountered in the turbiditic sandstones from the passive margin basins include dissolution and kaolinitization (kaolin has δ18OV-SMOW = +13. LÄS MER

  4. 19. Pleistocene stratigraphy in central and northern Sweden : a reinvestigation of some classical sites

    Författare :Karin García Ambrosiani; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER

  5. 20. Stratigraphy and evolution of tropical Cenozoic Radiolaria

    Författare :Annika Sanfilippo; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER