The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments.
The geology of the present area will be treated in a series ofthree publications. In the first paper the petrography and generalfeatures of the Precambrian rocks and the so-called \"basal gneisses\"are described and the interrelations of these rocks are discussed. Inaddition, description a...
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ftnorgesgu:oai:openarchive.ngu.no:11250/2674836 2023-05-15T13:25:33+02:00 The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments. Gustavson, Magne 14321 Bardu 13321 Andørja 13314 Evenes 13311 Skjomen TROMS NORDLAND 1966 application/pdf https://hdl.handle.net/11250/2674836 eng eng NGU (239) https://hdl.handle.net/11250/2674836 Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no CC-BY 1-162 + ka MINERALOGI KARTLEGGING KJEMISK ANALYSE OMDANNING PETROGRAFI STRATIGRAFI Journal article 1966 ftnorgesgu 2022-07-03T15:26:23Z The geology of the present area will be treated in a series ofthree publications. In the first paper the petrography and generalfeatures of the Precambrian rocks and the so-called \"basal gneisses\"are described and the interrelations of these rocks are discussed. Inaddition, description and comments on the stratigraphy, petrography andmetamorphism of the Caledonian meta-sediments are presented. It isshown that chemical, mineralogical and general structural relationspoint to a close relationship between the Precambrian Rombak window andthe basal massif of Tysfjord. Thrust sheets of Precambrian granite inthe Caledonian schist within the Rombak profile and the Hinnøy area aredescribed. These observations support the hypothesis of Kautsky thatgneiss-granite layers in schists of the Tysfjord area as well as theborder gneiss of the Tysfjord granite are thrust sheets of CaledonizedPrecambrian rocks. The presence of thrust planes at several levelswithin the Caledonian metasediments renders the original stratigraphyuncertain. The sequence is divided into the following groups, inascending order: Hyolithes Zone, Storfjell Group, Rombak Group, NarvikGroup, Salangen Group Niingen Group (Table III). 35218 Article in Journal/Newspaper Andørja Bardu Evenes Nordland Nordland Ofoten Salangen Tysfjord Nordland Troms NGU Open Archive (Geological Survey of Norway) Tysfjord ENVELOPE(16.374,16.374,68.097,68.097) Ofoten ENVELOPE(16.378,16.378,68.029,68.029) Bardu ENVELOPE(18.347,18.347,68.859,68.859) Evenes ENVELOPE(16.699,16.699,68.460,68.460) Salangen ENVELOPE(17.857,17.857,68.872,68.872) Skjomen ENVELOPE(17.401,17.401,68.255,68.255) Rombak ENVELOPE(17.791,17.791,68.404,68.404) Storfjell ENVELOPE(18.871,18.871,70.071,70.071) Andørja ENVELOPE(17.295,17.295,68.815,68.815) Niingen ENVELOPE(17.014,17.014,68.559,68.559) |
institution |
Open Polar |
collection |
NGU Open Archive (Geological Survey of Norway) |
op_collection_id |
ftnorgesgu |
language |
English |
topic |
MINERALOGI KARTLEGGING KJEMISK ANALYSE OMDANNING PETROGRAFI STRATIGRAFI |
spellingShingle |
MINERALOGI KARTLEGGING KJEMISK ANALYSE OMDANNING PETROGRAFI STRATIGRAFI Gustavson, Magne The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments. |
topic_facet |
MINERALOGI KARTLEGGING KJEMISK ANALYSE OMDANNING PETROGRAFI STRATIGRAFI |
description |
The geology of the present area will be treated in a series ofthree publications. In the first paper the petrography and generalfeatures of the Precambrian rocks and the so-called \"basal gneisses\"are described and the interrelations of these rocks are discussed. Inaddition, description and comments on the stratigraphy, petrography andmetamorphism of the Caledonian meta-sediments are presented. It isshown that chemical, mineralogical and general structural relationspoint to a close relationship between the Precambrian Rombak window andthe basal massif of Tysfjord. Thrust sheets of Precambrian granite inthe Caledonian schist within the Rombak profile and the Hinnøy area aredescribed. These observations support the hypothesis of Kautsky thatgneiss-granite layers in schists of the Tysfjord area as well as theborder gneiss of the Tysfjord granite are thrust sheets of CaledonizedPrecambrian rocks. The presence of thrust planes at several levelswithin the Caledonian metasediments renders the original stratigraphyuncertain. The sequence is divided into the following groups, inascending order: Hyolithes Zone, Storfjell Group, Rombak Group, NarvikGroup, Salangen Group Niingen Group (Table III). 35218 |
format |
Article in Journal/Newspaper |
author |
Gustavson, Magne |
author_facet |
Gustavson, Magne |
author_sort |
Gustavson, Magne |
title |
The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments. |
title_short |
The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments. |
title_full |
The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments. |
title_fullStr |
The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments. |
title_full_unstemmed |
The Caledonian mountain chain of the Southern Troms and Ofoten areas. Part I. Basement rocks and Caledonain meta-sediments. |
title_sort |
caledonian mountain chain of the southern troms and ofoten areas. part i. basement rocks and caledonain meta-sediments. |
publishDate |
1966 |
url |
https://hdl.handle.net/11250/2674836 |
op_coverage |
14321 Bardu 13321 Andørja 13314 Evenes 13311 Skjomen TROMS NORDLAND |
long_lat |
ENVELOPE(16.374,16.374,68.097,68.097) ENVELOPE(16.378,16.378,68.029,68.029) ENVELOPE(18.347,18.347,68.859,68.859) ENVELOPE(16.699,16.699,68.460,68.460) ENVELOPE(17.857,17.857,68.872,68.872) ENVELOPE(17.401,17.401,68.255,68.255) ENVELOPE(17.791,17.791,68.404,68.404) ENVELOPE(18.871,18.871,70.071,70.071) ENVELOPE(17.295,17.295,68.815,68.815) ENVELOPE(17.014,17.014,68.559,68.559) |
geographic |
Tysfjord Ofoten Bardu Evenes Salangen Skjomen Rombak Storfjell Andørja Niingen |
geographic_facet |
Tysfjord Ofoten Bardu Evenes Salangen Skjomen Rombak Storfjell Andørja Niingen |
genre |
Andørja Bardu Evenes Nordland Nordland Ofoten Salangen Tysfjord Nordland Troms |
genre_facet |
Andørja Bardu Evenes Nordland Nordland Ofoten Salangen Tysfjord Nordland Troms |
op_source |
1-162 + ka |
op_relation |
NGU (239) https://hdl.handle.net/11250/2674836 |
op_rights |
Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no |
op_rightsnorm |
CC-BY |
_version_ |
1766386063294595072 |