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The Lycksele ring s...
The Lycksele ring structure–still no proof of an impact origin
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- Holmqvist, Anders (författare)
- Luleå University of Technology,Luleå tekniska universitet
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- Alwmark, Carl (författare)
- Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science,Department of Geology, Lund University, Lund, Sweden
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- Dypvik, Henning (författare)
- Department of Geosciences, University of Oslo, Oslo, Norway
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- Nilsen, Odd (författare)
- Department of Geosciences, University of Oslo, Oslo, Norway
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(creator_code:org_t)
- 2020-01-24
- 2020
- Engelska.
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Ingår i: GFF. - : Taylor & Francis. - 1103-5897 .- 2000-0863. ; 142:2, s. 96-99
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The origin of the more than 100 km wide Lycksele ring structure in Sweden has puzzled geoscientists for years. In this short note we present results from field analysis, detailed sampling and laboratory analysis executed in search for evidence of an impact, e.g. shatter cones and shock features in minerals. Both approaches gave negative results and consequently an impact origin could neither be confirmed nor rejected. The circular structure of the Lycksele ring and its central uplift are, however, typical features of large, complex impact structures.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Nyckelord
- Lycksele ring structure
- possible astrobleme
- Possible impact crater
- Swedish Lapland
- Lycksele ring structure
- possible astrobleme
- Possible impact crater
- Swedish Lapland
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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