Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen
The Billefjorden Fault Zone represents a major lineament on Spitsbergen with a history of tectonic activity going back into the Devonian and possibly earlier. Recent structural, sedimentological and stratigraphical investigations indicate that most of the stratigraphic thickness variations within th...
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Norwegian Polar Institute
1990
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ftjpolarres:oai:journals.openacademia.net:article/2384 2023-05-15T13:05:43+02:00 Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen Haremo, Pål Andresen, Arild Dypvik, Henning Nagy, Jenö Elverhøi, Anders Eikeland, Tor Arne Johansen, Halvor 1990-01-12 application/pdf https://polarresearch.net/index.php/polar/article/view/2384 https://doi.org/10.3402/polar.v8i2.6812 eng eng Norwegian Polar Institute https://polarresearch.net/index.php/polar/article/view/2384/5634 https://polarresearch.net/index.php/polar/article/view/2384 doi:10.3402/polar.v8i2.6812 Copyright (c) 2018 Polar Research Polar Research; Vol. 8 No. 2 (1990); 195-216 1751-8369 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 1990 ftjpolarres https://doi.org/10.3402/polar.v8i2.6812 2021-11-11T19:12:32Z The Billefjorden Fault Zone represents a major lineament on Spitsbergen with a history of tectonic activity going back into the Devonian and possibly earlier. Recent structural, sedimentological and stratigraphical investigations indicate that most of the stratigraphic thickness variations within the Mesozoic strata along the Billefjorden Fault Zone south of Isfjorden are due to Tertiary compressional tectonics related to the transpressive Eocene West-Spitsbergen Orogeny. No convincing evidence of distinct Mesozoic extensional events, as suggested by previous workers, has been recognized. Tertiary compressional tectonics are characterized by a combined thin-skinned/thick-skinned structural style. Decollement zones arc recognized in the Triassic Sassendalen Group (tower Décollement Zone) and in the Jurassic/Cretaceous Janusfjellet Subgroup (Upper Décollement Zone). East-vergent folding and reverse faulting associated with these decollement' zones have resulted in the development of compressional structures, of which the major arc the Skolten and Tronfjellct Anticlines and the Adventelva Duplex. Movements on one or more high angle east-dipping reverse faults in the pre-Mesozoic basement have resulted in the development of the Juvdalskampen Monocline, and are responsible for out-of-sequence thrusting and thinning of the Mesozoic sequence across the Billefjorden Fault Zone. Preliminary shortening calculations indicate an eastward displacement of minimum 3-4 km, possibly as much as 10 km for the Lower Cretaceous and younger rocks across the Billefjorden Fault Zone. Article in Journal/Newspaper Adventdalen Billefjorden Isfjord* Isfjorden Polar Research Spitsbergen Polar Research (E-Journal) Adventdalen ENVELOPE(16.264,16.264,78.181,78.181) Billefjorden ENVELOPE(16.417,16.417,78.563,78.563) Janusfjellet ENVELOPE(15.833,15.833,78.333,78.333) Sassendalen ENVELOPE(17.211,17.211,78.266,78.266) Adventelva ENVELOPE(15.934,15.934,78.188,78.188) Juvdalskampen ENVELOPE(16.725,16.725,78.221,78.221) Kjellströmdalen ENVELOPE(17.249,17.249,77.944,77.944) Polar Research 8 2 195 216 |
institution |
Open Polar |
collection |
Polar Research (E-Journal) |
op_collection_id |
ftjpolarres |
language |
English |
description |
The Billefjorden Fault Zone represents a major lineament on Spitsbergen with a history of tectonic activity going back into the Devonian and possibly earlier. Recent structural, sedimentological and stratigraphical investigations indicate that most of the stratigraphic thickness variations within the Mesozoic strata along the Billefjorden Fault Zone south of Isfjorden are due to Tertiary compressional tectonics related to the transpressive Eocene West-Spitsbergen Orogeny. No convincing evidence of distinct Mesozoic extensional events, as suggested by previous workers, has been recognized. Tertiary compressional tectonics are characterized by a combined thin-skinned/thick-skinned structural style. Decollement zones arc recognized in the Triassic Sassendalen Group (tower Décollement Zone) and in the Jurassic/Cretaceous Janusfjellet Subgroup (Upper Décollement Zone). East-vergent folding and reverse faulting associated with these decollement' zones have resulted in the development of compressional structures, of which the major arc the Skolten and Tronfjellct Anticlines and the Adventelva Duplex. Movements on one or more high angle east-dipping reverse faults in the pre-Mesozoic basement have resulted in the development of the Juvdalskampen Monocline, and are responsible for out-of-sequence thrusting and thinning of the Mesozoic sequence across the Billefjorden Fault Zone. Preliminary shortening calculations indicate an eastward displacement of minimum 3-4 km, possibly as much as 10 km for the Lower Cretaceous and younger rocks across the Billefjorden Fault Zone. |
format |
Article in Journal/Newspaper |
author |
Haremo, Pål Andresen, Arild Dypvik, Henning Nagy, Jenö Elverhøi, Anders Eikeland, Tor Arne Johansen, Halvor |
spellingShingle |
Haremo, Pål Andresen, Arild Dypvik, Henning Nagy, Jenö Elverhøi, Anders Eikeland, Tor Arne Johansen, Halvor Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen |
author_facet |
Haremo, Pål Andresen, Arild Dypvik, Henning Nagy, Jenö Elverhøi, Anders Eikeland, Tor Arne Johansen, Halvor |
author_sort |
Haremo, Pål |
title |
Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen |
title_short |
Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen |
title_full |
Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen |
title_fullStr |
Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen |
title_full_unstemmed |
Structural development along the Billefjorden Fault Zone in the area between Kjellströmdalen and Adventdalen/Sassendalen, central Spitsbergen |
title_sort |
structural development along the billefjorden fault zone in the area between kjellströmdalen and adventdalen/sassendalen, central spitsbergen |
publisher |
Norwegian Polar Institute |
publishDate |
1990 |
url |
https://polarresearch.net/index.php/polar/article/view/2384 https://doi.org/10.3402/polar.v8i2.6812 |
long_lat |
ENVELOPE(16.264,16.264,78.181,78.181) ENVELOPE(16.417,16.417,78.563,78.563) ENVELOPE(15.833,15.833,78.333,78.333) ENVELOPE(17.211,17.211,78.266,78.266) ENVELOPE(15.934,15.934,78.188,78.188) ENVELOPE(16.725,16.725,78.221,78.221) ENVELOPE(17.249,17.249,77.944,77.944) |
geographic |
Adventdalen Billefjorden Janusfjellet Sassendalen Adventelva Juvdalskampen Kjellströmdalen |
geographic_facet |
Adventdalen Billefjorden Janusfjellet Sassendalen Adventelva Juvdalskampen Kjellströmdalen |
genre |
Adventdalen Billefjorden Isfjord* Isfjorden Polar Research Spitsbergen |
genre_facet |
Adventdalen Billefjorden Isfjord* Isfjorden Polar Research Spitsbergen |
op_source |
Polar Research; Vol. 8 No. 2 (1990); 195-216 1751-8369 |
op_relation |
https://polarresearch.net/index.php/polar/article/view/2384/5634 https://polarresearch.net/index.php/polar/article/view/2384 doi:10.3402/polar.v8i2.6812 |
op_rights |
Copyright (c) 2018 Polar Research |
op_doi |
https://doi.org/10.3402/polar.v8i2.6812 |
container_title |
Polar Research |
container_volume |
8 |
container_issue |
2 |
container_start_page |
195 |
op_container_end_page |
216 |
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1766391997841539072 |