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Unusual resinite-rich coals found in northeastern Greenland and along the Norwegian coast: Petrographic and geochemical composition

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Title: Unusual resinite-rich coals found in northeastern Greenland and along the Norwegian coast: Petrographic and geochemical composition
Authors: Petersen, H.I.1 hip@geus.dk, Øverland, J.A.2, Solbakk, T.2, Bojesen-Koefoed, J.A.1, Bjerager, M.1
Source: International Journal of Coal Geology. Apr2013, Vol. 109-110, p58-76. 19p.
Subjects: Resinite, Jurassic Period, Coal, Petrology, Coasts, Petroleum
Geographic Terms: Greenland, Norway
Abstract: Abstract: Middle Jurassic coals unusually rich in resinite/liptinite are known in northeastern Greenland from a few outcrops and from several erratic pieces. In addition, since the mid-1800''s a number of loose pieces of resinite-rich coal, the so-called Kvæfjord coal, have been found along the Norwegian coast in or close to the shore zone in places where it would have been impossible for the coal to originate from passing ships. This study presents a comprehensive organic petrographic and geochemical investigation of two new pieces of resinite-rich coal found on Store Koldewey in northeastern Greenland, a resinite-rich core sample from the Norwegian island Andøya, and two pieces of the Norwegian Kvæfjord coal. The coals are thermally immature and contain an extraordinary high content of liptinite and in particular resinite (34.2–93.6vol.%). The two coal pieces from Store Koldewey and the core sample from Andøya are compositionally comparable to the resinite/liptinite-rich Middle Jurassic coals that crop out on Hochstetter Forland and Kuhn Ø in northeastern Greenland. The two loose pieces of Kvæfjord coal are exceptionally rich in resinite and appear to be slightly different from the other coals, albeit they are compositionally related. The documentation of in situ resinite/liptinite-rich coals on Andøya and the finding of loose pieces along the Atlantic coast of Norway indicate that formation of these unusual coals occurred regionally in the pre-rift North Atlantic region, probably in peat-forming mires with a yet unknown strongly resin-producing vegetation established at the margins of a gradually northward prograding embayment formed during Middle Jurassic rifting between Greenland and Norway. The unique maceral composition makes the coals excellent potential petroleum source rocks with HI values >400mg HC/g TOC, but the sketchy knowledge of the regional distribution of the coals combined with the probably restricted areal extent of the coal deposits limits their significance as an additional source rock in the North Atlantic area. [Copyright &y& Elsevier]
Copyright of International Journal of Coal Geology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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An: 86393501
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  Data: Unusual resinite-rich coals found in northeastern Greenland and along the Norwegian coast: Petrographic and geochemical composition
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  Data: <searchLink fieldCode="AR" term="%22Petersen%2C+H%2EI%2E%22">Petersen, H.I.</searchLink><relatesTo>1</relatesTo><i> hip@geus.dk</i><br /><searchLink fieldCode="AR" term="%22Øverland%2C+J%2EA%2E%22">Øverland, J.A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Solbakk%2C+T%2E%22">Solbakk, T.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Bojesen-Koefoed%2C+J%2EA%2E%22">Bojesen-Koefoed, J.A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bjerager%2C+M%2E%22">Bjerager, M.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Coal+Geology%22">International Journal of Coal Geology</searchLink>. Apr2013, Vol. 109-110, p58-76. 19p.
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  Data: <searchLink fieldCode="DE" term="%22Resinite%22">Resinite</searchLink><br /><searchLink fieldCode="DE" term="%22Jurassic+Period%22">Jurassic Period</searchLink><br /><searchLink fieldCode="DE" term="%22Coal%22">Coal</searchLink><br /><searchLink fieldCode="DE" term="%22Petrology%22">Petrology</searchLink><br /><searchLink fieldCode="DE" term="%22Coasts%22">Coasts</searchLink><br /><searchLink fieldCode="DE" term="%22Petroleum%22">Petroleum</searchLink>
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  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22Greenland%22">Greenland</searchLink><br /><searchLink fieldCode="DE" term="%22Norway%22">Norway</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: Middle Jurassic coals unusually rich in resinite/liptinite are known in northeastern Greenland from a few outcrops and from several erratic pieces. In addition, since the mid-1800''s a number of loose pieces of resinite-rich coal, the so-called Kvæfjord coal, have been found along the Norwegian coast in or close to the shore zone in places where it would have been impossible for the coal to originate from passing ships. This study presents a comprehensive organic petrographic and geochemical investigation of two new pieces of resinite-rich coal found on Store Koldewey in northeastern Greenland, a resinite-rich core sample from the Norwegian island Andøya, and two pieces of the Norwegian Kvæfjord coal. The coals are thermally immature and contain an extraordinary high content of liptinite and in particular resinite (34.2–93.6vol.%). The two coal pieces from Store Koldewey and the core sample from Andøya are compositionally comparable to the resinite/liptinite-rich Middle Jurassic coals that crop out on Hochstetter Forland and Kuhn Ø in northeastern Greenland. The two loose pieces of Kvæfjord coal are exceptionally rich in resinite and appear to be slightly different from the other coals, albeit they are compositionally related. The documentation of in situ resinite/liptinite-rich coals on Andøya and the finding of loose pieces along the Atlantic coast of Norway indicate that formation of these unusual coals occurred regionally in the pre-rift North Atlantic region, probably in peat-forming mires with a yet unknown strongly resin-producing vegetation established at the margins of a gradually northward prograding embayment formed during Middle Jurassic rifting between Greenland and Norway. The unique maceral composition makes the coals excellent potential petroleum source rocks with HI values >400mg HC/g TOC, but the sketchy knowledge of the regional distribution of the coals combined with the probably restricted areal extent of the coal deposits limits their significance as an additional source rock in the North Atlantic area. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Coal Geology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.coal.2013.02.001
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 19
        StartPage: 58
    Subjects:
      – SubjectFull: Resinite
        Type: general
      – SubjectFull: Jurassic Period
        Type: general
      – SubjectFull: Coal
        Type: general
      – SubjectFull: Petrology
        Type: general
      – SubjectFull: Coasts
        Type: general
      – SubjectFull: Petroleum
        Type: general
      – SubjectFull: Greenland
        Type: general
      – SubjectFull: Norway
        Type: general
    Titles:
      – TitleFull: Unusual resinite-rich coals found in northeastern Greenland and along the Norwegian coast: Petrographic and geochemical composition
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            NameFull: Petersen, H.I.
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            NameFull: Øverland, J.A.
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            NameFull: Solbakk, T.
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            NameFull: Bojesen-Koefoed, J.A.
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            NameFull: Bjerager, M.
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            – D: 01
              M: 04
              Text: Apr2013
              Type: published
              Y: 2013
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              Value: 109-110
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            – TitleFull: International Journal of Coal Geology
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