Big boulders of tillite rock in Porsanger, Northern Norway.
In 1959 numerous erratic boulders of tillite rock were discovered at the head of Austerbotn, the eastern arm of the Porsangerfjord. Some of the boulders are very big, having volumes of up to 20m3. In 1965 another two boulders were found about 7 km to the south-east of the head of the fjord. The pres...
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ftnorgesgu:oai:openarchive.ngu.no:11250/2674862 2023-05-15T17:06:27+02:00 Big boulders of tillite rock in Porsanger, Northern Norway. Føyn, Sven 20344 Skoganvarre 20341 Hal'kavarri 20352 Mun'kavarri 20353 Lakselv 1967 application/pdf https://hdl.handle.net/11250/2674862 eng eng NGU (247) https://hdl.handle.net/11250/2674862 Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no CC-BY 223-230 PREKAMBRIUM BLOKK PALEOZOIKUM KARTLEGGING PETROGRAFI MORENE Journal article 1967 ftnorgesgu 2022-07-03T15:26:00Z In 1959 numerous erratic boulders of tillite rock were discovered at the head of Austerbotn, the eastern arm of the Porsangerfjord. Some of the boulders are very big, having volumes of up to 20m3. In 1965 another two boulders were found about 7 km to the south-east of the head of the fjord. The presence of the tillite boulders shows that Eocambrian tillite occurs - or at least has existed - in the Porsanger region. No deposits of tillite occurring in siu have, however, been reported from this district. The writer suggests that the source of the boulders is most probably in Rocidalen, a depression in the Precambrian surface of the broad Lakselv valley, about 10 km south of the head of the Porsangerfjord. As there are no rock exposures in the bottom of Rocidalen on account of the thick cover of Quaternary deposits, this theory can hardly be proved. Possible future finds of tillite boulders may bring other parts of the Lakselv valley into focus. 34916 Article in Journal/Newspaper Lakselv Northern Norway NGU Open Archive (Geological Survey of Norway) Austerbotn ENVELOPE(25.536,25.536,71.028,71.028) Norway Porsanger ENVELOPE(24.956,24.956,70.052,70.052) Skoganvarre ENVELOPE(25.078,25.078,69.840,69.840) |
institution |
Open Polar |
collection |
NGU Open Archive (Geological Survey of Norway) |
op_collection_id |
ftnorgesgu |
language |
English |
topic |
PREKAMBRIUM BLOKK PALEOZOIKUM KARTLEGGING PETROGRAFI MORENE |
spellingShingle |
PREKAMBRIUM BLOKK PALEOZOIKUM KARTLEGGING PETROGRAFI MORENE Føyn, Sven Big boulders of tillite rock in Porsanger, Northern Norway. |
topic_facet |
PREKAMBRIUM BLOKK PALEOZOIKUM KARTLEGGING PETROGRAFI MORENE |
description |
In 1959 numerous erratic boulders of tillite rock were discovered at the head of Austerbotn, the eastern arm of the Porsangerfjord. Some of the boulders are very big, having volumes of up to 20m3. In 1965 another two boulders were found about 7 km to the south-east of the head of the fjord. The presence of the tillite boulders shows that Eocambrian tillite occurs - or at least has existed - in the Porsanger region. No deposits of tillite occurring in siu have, however, been reported from this district. The writer suggests that the source of the boulders is most probably in Rocidalen, a depression in the Precambrian surface of the broad Lakselv valley, about 10 km south of the head of the Porsangerfjord. As there are no rock exposures in the bottom of Rocidalen on account of the thick cover of Quaternary deposits, this theory can hardly be proved. Possible future finds of tillite boulders may bring other parts of the Lakselv valley into focus. 34916 |
format |
Article in Journal/Newspaper |
author |
Føyn, Sven |
author_facet |
Føyn, Sven |
author_sort |
Føyn, Sven |
title |
Big boulders of tillite rock in Porsanger, Northern Norway. |
title_short |
Big boulders of tillite rock in Porsanger, Northern Norway. |
title_full |
Big boulders of tillite rock in Porsanger, Northern Norway. |
title_fullStr |
Big boulders of tillite rock in Porsanger, Northern Norway. |
title_full_unstemmed |
Big boulders of tillite rock in Porsanger, Northern Norway. |
title_sort |
big boulders of tillite rock in porsanger, northern norway. |
publishDate |
1967 |
url |
https://hdl.handle.net/11250/2674862 |
op_coverage |
20344 Skoganvarre 20341 Hal'kavarri 20352 Mun'kavarri 20353 Lakselv |
long_lat |
ENVELOPE(25.536,25.536,71.028,71.028) ENVELOPE(24.956,24.956,70.052,70.052) ENVELOPE(25.078,25.078,69.840,69.840) |
geographic |
Austerbotn Norway Porsanger Skoganvarre |
geographic_facet |
Austerbotn Norway Porsanger Skoganvarre |
genre |
Lakselv Northern Norway |
genre_facet |
Lakselv Northern Norway |
op_source |
223-230 |
op_relation |
NGU (247) https://hdl.handle.net/11250/2674862 |
op_rights |
Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no |
op_rightsnorm |
CC-BY |
_version_ |
1766061601643823104 |