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Late Ordovician she...
Late Ordovician shelly faunas from Jamtland: palaeocommunity development along the margin of the Swedish Caledonides
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- Dahlqvist, Peter (författare)
- Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science
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Harper, David A. T. (författare)
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Wickstrom, Linda (författare)
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(creator_code:org_t)
- Czech Geological Survey, 2010
- 2010
- Engelska.
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Ingår i: Bulletin of Geosciences. - : Czech Geological Survey. - 1214-1119 .- 1802-8225. ; 85:3, s. 505-512
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Abstract
Ämnesord
Stäng
- Late Ordovician shelly faunas occur at several localities in the Ostersund area of Jamtland (Sweden) and developed against a background of intense and rapid global climate change. In the eastern part, approximately in the middle parts of the Krykas Quartzite, and in the western part in the uppermost Kogsta Siltstone changes in faunas and sedimentary patterns provide regional evidence of these global events. In both areas the faunas occur in shale and siltstone facies and are used to effect correlations between the eastern and western parts of the region, which show major differences in facies development. These sub-basins, situated on the margins of a developing mountain belt, reacted differently to global signals providing further evidence of the heterogeneous responses to climate change at the end of the Ordovician Period.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Nyckelord
- Caledonides
- Late Ordovician
- Jamtland
- Hirnantian
- brachiopods
- Hirnantia fauna
- palaeocommunity
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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