Organic geochemistry of upper palaeozoic lacustrine shales in the East Greenland basin

F.G. Christiansen, H. Olsen, S. Piasecki, L. Stemmerik

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    13 Citationer (Scopus)

    Abstrakt

    The Devonian and Carboniferous-Lower Permian succession in East Greenland includes three geochemically distinct groups of lacustrine shales with a possible petroleum potential: 1. 1. Source rocks with 2-10% TOC, Hydrogen Index betwen 450 and 900, a high content of saturated hydrocarbons, a high content of n-alkanes extending into the waxy range and a distinct odd/even predominance and low to moderate Pr/Ph values occur in the Upper Carboniferous part of the succession. 2. 2. Source rocks with ∼ 10% TOC, Hydrogen Index above 700, a high content of saturated hydrocarbons, a complete dominance of n-alkanes without odd/even predominance, low waxiness and virtual lack of isoprenoids appear to be restricted to the Upper Devonian. 3. 3. Shales with a high content of saturated hydrocarbons, higher contents of branched and cyclic compounds, high Pr/Ph values, low waxiness and max of n-alkanes at C22 occur in the Middle Devonian.

    OriginalsprogEngelsk
    Sider (fra-til)287-294
    Antal sider8
    TidsskriftOrganic Geochemistry
    Vol/bind16
    Udgave nummer1-3
    DOI
    StatusUdgivet - 1990

    Programområde

    • Programområde 3: Energiressourcer

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