Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic
Latest Mesoproterozoic to mid-Neoproterozoic (1030-710 Ma) sedimentation and orogenic activity that developed on the northeast Laurentian substrate around the North Atlantic borderlands and is currently exposed in Scotland, Shetland, East Greenland, Svalbard, and Norway, is herein defined as the Val...
Published in: | Geology |
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Main Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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2010
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Online Access: | https://risweb.st-andrews.ac.uk/portal/en/researchoutput/neoproterozoic-orogeny-along-the-margin-of-rodinia(0899ddad-44db-4442-b9c1-145f8acbd240).html https://doi.org/10.1130/G30450.1 http://www.scopus.com/inward/record.url?scp=77950163621&partnerID=8YFLogxK |
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ftunstandrewcris:oai:risweb.st-andrews.ac.uk:publications/0899ddad-44db-4442-b9c1-145f8acbd240 2023-05-15T16:03:39+02:00 Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic Cawood, Peter Anthony Strachan, Rob Cutts, Kathryn Kinny, Peter D. Hand, Martin Pisarevsky, Sergei 2010-02 https://risweb.st-andrews.ac.uk/portal/en/researchoutput/neoproterozoic-orogeny-along-the-margin-of-rodinia(0899ddad-44db-4442-b9c1-145f8acbd240).html https://doi.org/10.1130/G30450.1 http://www.scopus.com/inward/record.url?scp=77950163621&partnerID=8YFLogxK eng eng info:eu-repo/semantics/restrictedAccess Cawood , P A , Strachan , R , Cutts , K , Kinny , P D , Hand , M & Pisarevsky , S 2010 , ' Neoproterozoic orogeny along the margin of Rodinia : Valhalla orogen, North Atlantic ' , Geology , vol. 38 , no. 2 , pp. 99-102 . https://doi.org/10.1130/G30450.1 KALAK NAPPE COMPLEX GREENLAND CALEDONIDES SCANDIAN DEFORMATION MOINE SUPERGROUP EAST GREENLAND SCOTLAND PROVENANCE PALEOGEOGRAPHY CONSTRAINTS TECTONICS article 2010 ftunstandrewcris https://doi.org/10.1130/G30450.1 2022-07-21T06:59:55Z Latest Mesoproterozoic to mid-Neoproterozoic (1030-710 Ma) sedimentation and orogenic activity that developed on the northeast Laurentian substrate around the North Atlantic borderlands and is currently exposed in Scotland, Shetland, East Greenland, Svalbard, and Norway, is herein defined as the Valhalla orogen. The site for the orogen was initiated by similar to 95 degrees of clockwise rotation of Baltica with respect to Laurentia at the end of the Mesoproterozoic. This created a triangular ocean basin, the Asgard Sea, which received orogenic detritus from the Grenville-Sveconorwegian-Sunsas orogen. Sedimentary successions within the orogen accumulated during two cycles at 1030-980 Ma and 910-870 Ma, with each cycle terminated and the successions stabilized during tectonothermal episodes involving crustal thickening and igneous activity, some of talc-alkaline affinity, associated with the Renlandian (980-910 Ma) and Knoydartian (830-710 Ma) orogenic events. The Valhalla orogen represents an exterior accretionary orogen that developed along the margin of Laurentia and the Asgard Sea. The early stages of the Valhalla orogen are coeval with the final stages of the Grenville-Sveconorwegian-Sunsas orogen to the south, but are tectonically discrete; they constitute part of an exterior orogen that is entirely distinct from the interior orogen formed between collision of Laurentia, Baltica, and Amazonia. Article in Journal/Newspaper East Greenland Greenland North Atlantic Svalbard University of St Andrews: Research Portal Greenland Kalak ENVELOPE(27.055,27.055,70.611,70.611) Norway Svalbard Valhalla ENVELOPE(161.933,161.933,-77.583,-77.583) Geology 38 2 99 102 |
institution |
Open Polar |
collection |
University of St Andrews: Research Portal |
op_collection_id |
ftunstandrewcris |
language |
English |
topic |
KALAK NAPPE COMPLEX GREENLAND CALEDONIDES SCANDIAN DEFORMATION MOINE SUPERGROUP EAST GREENLAND SCOTLAND PROVENANCE PALEOGEOGRAPHY CONSTRAINTS TECTONICS |
spellingShingle |
KALAK NAPPE COMPLEX GREENLAND CALEDONIDES SCANDIAN DEFORMATION MOINE SUPERGROUP EAST GREENLAND SCOTLAND PROVENANCE PALEOGEOGRAPHY CONSTRAINTS TECTONICS Cawood, Peter Anthony Strachan, Rob Cutts, Kathryn Kinny, Peter D. Hand, Martin Pisarevsky, Sergei Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic |
topic_facet |
KALAK NAPPE COMPLEX GREENLAND CALEDONIDES SCANDIAN DEFORMATION MOINE SUPERGROUP EAST GREENLAND SCOTLAND PROVENANCE PALEOGEOGRAPHY CONSTRAINTS TECTONICS |
description |
Latest Mesoproterozoic to mid-Neoproterozoic (1030-710 Ma) sedimentation and orogenic activity that developed on the northeast Laurentian substrate around the North Atlantic borderlands and is currently exposed in Scotland, Shetland, East Greenland, Svalbard, and Norway, is herein defined as the Valhalla orogen. The site for the orogen was initiated by similar to 95 degrees of clockwise rotation of Baltica with respect to Laurentia at the end of the Mesoproterozoic. This created a triangular ocean basin, the Asgard Sea, which received orogenic detritus from the Grenville-Sveconorwegian-Sunsas orogen. Sedimentary successions within the orogen accumulated during two cycles at 1030-980 Ma and 910-870 Ma, with each cycle terminated and the successions stabilized during tectonothermal episodes involving crustal thickening and igneous activity, some of talc-alkaline affinity, associated with the Renlandian (980-910 Ma) and Knoydartian (830-710 Ma) orogenic events. The Valhalla orogen represents an exterior accretionary orogen that developed along the margin of Laurentia and the Asgard Sea. The early stages of the Valhalla orogen are coeval with the final stages of the Grenville-Sveconorwegian-Sunsas orogen to the south, but are tectonically discrete; they constitute part of an exterior orogen that is entirely distinct from the interior orogen formed between collision of Laurentia, Baltica, and Amazonia. |
format |
Article in Journal/Newspaper |
author |
Cawood, Peter Anthony Strachan, Rob Cutts, Kathryn Kinny, Peter D. Hand, Martin Pisarevsky, Sergei |
author_facet |
Cawood, Peter Anthony Strachan, Rob Cutts, Kathryn Kinny, Peter D. Hand, Martin Pisarevsky, Sergei |
author_sort |
Cawood, Peter Anthony |
title |
Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic |
title_short |
Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic |
title_full |
Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic |
title_fullStr |
Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic |
title_full_unstemmed |
Neoproterozoic orogeny along the margin of Rodinia:Valhalla orogen, North Atlantic |
title_sort |
neoproterozoic orogeny along the margin of rodinia:valhalla orogen, north atlantic |
publishDate |
2010 |
url |
https://risweb.st-andrews.ac.uk/portal/en/researchoutput/neoproterozoic-orogeny-along-the-margin-of-rodinia(0899ddad-44db-4442-b9c1-145f8acbd240).html https://doi.org/10.1130/G30450.1 http://www.scopus.com/inward/record.url?scp=77950163621&partnerID=8YFLogxK |
long_lat |
ENVELOPE(27.055,27.055,70.611,70.611) ENVELOPE(161.933,161.933,-77.583,-77.583) |
geographic |
Greenland Kalak Norway Svalbard Valhalla |
geographic_facet |
Greenland Kalak Norway Svalbard Valhalla |
genre |
East Greenland Greenland North Atlantic Svalbard |
genre_facet |
East Greenland Greenland North Atlantic Svalbard |
op_source |
Cawood , P A , Strachan , R , Cutts , K , Kinny , P D , Hand , M & Pisarevsky , S 2010 , ' Neoproterozoic orogeny along the margin of Rodinia : Valhalla orogen, North Atlantic ' , Geology , vol. 38 , no. 2 , pp. 99-102 . https://doi.org/10.1130/G30450.1 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1130/G30450.1 |
container_title |
Geology |
container_volume |
38 |
container_issue |
2 |
container_start_page |
99 |
op_container_end_page |
102 |
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1766399349088059392 |