En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell.
A geological investigation of the Caledonid of the Majavatn-Kvigtindregion, Nordland, Norway. The northwestern part of the map area Børgefjell, Nordland, was investigated during the summers of 1957 and 1958, seven weeks each summer.1. Mica gneisses and metaschists. This group of rocks comprises plag...
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1960
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ftnorgesgu:oai:openarchive.ngu.no:11250/2674713 2023-05-15T15:47:39+02:00 En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell. Gustavson, Magne Grønhaug, Arne 19253 Majavatn 19252 Børgefjellet 19251 Susendalen HATTFJELLDAL GRANE 19254 Svenningdal 1960 application/pdf https://hdl.handle.net/11250/2674713 nor nor NGU (211) https://hdl.handle.net/11250/2674713 Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no CC-BY 26-74 KVARTÆRGEOLOGI GNEIS KARTLEGGING OMDANNET BERGART PETROGRAFI SKIFER Journal article 1960 ftnorgesgu 2022-07-03T15:26:42Z A geological investigation of the Caledonid of the Majavatn-Kvigtindregion, Nordland, Norway. The northwestern part of the map area Børgefjell, Nordland, was investigated during the summers of 1957 and 1958, seven weeks each summer.1. Mica gneisses and metaschists. This group of rocks comprises plagioclase-bearing rocks rich in biotite and\/or muscovite. Rocks with little or no plagioclase are found in the Kvigtind nappe. The most abundant types are: Mica-plagioclase gneiss, biotite-hornblende gneiss, biotite-garnet gneiss, cyanite-staurolite gneiss and muscovite gneiss. The schistosity is very distinct in these rocks. The field observations indicate a sedimentary origin, but he high Na and Ca content is not in accordance with such an origin. A metasomatic introduction of these elements is therefore suggested. This suggestion is supported by the occurence of plagioclase-pegmatites in the gneisses. The mica schists in the Kvigtind nappe seem to have their original composition unchanged. The mica- gneisses probably represent meta-morphic and metasomatized pelitic sediments. In the staurolite-cyante gneisses the paragenesis staurolite-cyanite-almandite suggests a state of nonequilibrium in the rock. 35594 Article in Journal/Newspaper Børgefjell Grane Hattfjelldal Nordland Nordland Nordland NGU Open Archive (Geological Survey of Norway) Grane ENVELOPE(13.385,13.385,65.539,65.539) Hattfjelldal ENVELOPE(13.988,13.988,65.597,65.597) Majavatn ENVELOPE(13.368,13.368,65.164,65.164) Norway Susendalen ENVELOPE(14.047,14.047,65.384,65.384) |
institution |
Open Polar |
collection |
NGU Open Archive (Geological Survey of Norway) |
op_collection_id |
ftnorgesgu |
language |
Norwegian |
topic |
KVARTÆRGEOLOGI GNEIS KARTLEGGING OMDANNET BERGART PETROGRAFI SKIFER |
spellingShingle |
KVARTÆRGEOLOGI GNEIS KARTLEGGING OMDANNET BERGART PETROGRAFI SKIFER Gustavson, Magne Grønhaug, Arne En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell. |
topic_facet |
KVARTÆRGEOLOGI GNEIS KARTLEGGING OMDANNET BERGART PETROGRAFI SKIFER |
description |
A geological investigation of the Caledonid of the Majavatn-Kvigtindregion, Nordland, Norway. The northwestern part of the map area Børgefjell, Nordland, was investigated during the summers of 1957 and 1958, seven weeks each summer.1. Mica gneisses and metaschists. This group of rocks comprises plagioclase-bearing rocks rich in biotite and\/or muscovite. Rocks with little or no plagioclase are found in the Kvigtind nappe. The most abundant types are: Mica-plagioclase gneiss, biotite-hornblende gneiss, biotite-garnet gneiss, cyanite-staurolite gneiss and muscovite gneiss. The schistosity is very distinct in these rocks. The field observations indicate a sedimentary origin, but he high Na and Ca content is not in accordance with such an origin. A metasomatic introduction of these elements is therefore suggested. This suggestion is supported by the occurence of plagioclase-pegmatites in the gneisses. The mica schists in the Kvigtind nappe seem to have their original composition unchanged. The mica- gneisses probably represent meta-morphic and metasomatized pelitic sediments. In the staurolite-cyante gneisses the paragenesis staurolite-cyanite-almandite suggests a state of nonequilibrium in the rock. 35594 |
format |
Article in Journal/Newspaper |
author |
Gustavson, Magne Grønhaug, Arne |
author_facet |
Gustavson, Magne Grønhaug, Arne |
author_sort |
Gustavson, Magne |
title |
En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell. |
title_short |
En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell. |
title_full |
En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell. |
title_fullStr |
En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell. |
title_full_unstemmed |
En geologisk undersøkelse på den nordvestlige del av kartblad Børgefjell. |
title_sort |
en geologisk undersøkelse på den nordvestlige del av kartblad børgefjell. |
publishDate |
1960 |
url |
https://hdl.handle.net/11250/2674713 |
op_coverage |
19253 Majavatn 19252 Børgefjellet 19251 Susendalen HATTFJELLDAL GRANE 19254 Svenningdal |
long_lat |
ENVELOPE(13.385,13.385,65.539,65.539) ENVELOPE(13.988,13.988,65.597,65.597) ENVELOPE(13.368,13.368,65.164,65.164) ENVELOPE(14.047,14.047,65.384,65.384) |
geographic |
Grane Hattfjelldal Majavatn Norway Susendalen |
geographic_facet |
Grane Hattfjelldal Majavatn Norway Susendalen |
genre |
Børgefjell Grane Hattfjelldal Nordland Nordland Nordland |
genre_facet |
Børgefjell Grane Hattfjelldal Nordland Nordland Nordland |
op_source |
26-74 |
op_relation |
NGU (211) https://hdl.handle.net/11250/2674713 |
op_rights |
Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no |
op_rightsnorm |
CC-BY |
_version_ |
1766382569919610880 |