The northwest portion of the Gander Zone — a geophysical interpretation
Geophysical data from the northwestern portion of the Gander Zone of Newfoundland are used to test existing geological models and to propose amended ones for the upper crustal structure of the region. The eastern geophysical boundary of in situ Paleozoic oceanic crustal material associated with the...
Published in: | Canadian Journal of Earth Sciences |
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Format: | Article in Journal/Newspaper |
Language: | French |
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Canadian Science Publishing
1982
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Online Access: | http://dx.doi.org/10.1139/e82-119 http://www.nrcresearchpress.com/doi/pdf/10.1139/e82-119 |
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crcansciencepubl:10.1139/e82-119 2023-12-17T10:44:47+01:00 The northwest portion of the Gander Zone — a geophysical interpretation Miller, H. G. Weir, H. C. 1982 http://dx.doi.org/10.1139/e82-119 http://www.nrcresearchpress.com/doi/pdf/10.1139/e82-119 fr fre Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Earth Sciences volume 19, issue 7, page 1371-1381 ISSN 0008-4077 1480-3313 General Earth and Planetary Sciences journal-article 1982 crcansciencepubl https://doi.org/10.1139/e82-119 2023-11-19T13:38:38Z Geophysical data from the northwestern portion of the Gander Zone of Newfoundland are used to test existing geological models and to propose amended ones for the upper crustal structure of the region. The eastern geophysical boundary of in situ Paleozoic oceanic crustal material associated with the Iapetus Ocean is interpreted to be the GRUB line. An enigmatic anomaly belt in the Gander Group east of the GRUB line is identified and modelled. Three hypotheses are advanced for its origin, none of which can be eliminated on simple geophysical grounds. This anomaly belt is interpreted to present obducted ophiolitic materials emplaced in the continental rise prism represented by the Gander Group sediments. Article in Journal/Newspaper Newfoundland Canadian Science Publishing (via Crossref) Canadian Journal of Earth Sciences 19 7 1371 1381 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
French |
topic |
General Earth and Planetary Sciences |
spellingShingle |
General Earth and Planetary Sciences Miller, H. G. Weir, H. C. The northwest portion of the Gander Zone — a geophysical interpretation |
topic_facet |
General Earth and Planetary Sciences |
description |
Geophysical data from the northwestern portion of the Gander Zone of Newfoundland are used to test existing geological models and to propose amended ones for the upper crustal structure of the region. The eastern geophysical boundary of in situ Paleozoic oceanic crustal material associated with the Iapetus Ocean is interpreted to be the GRUB line. An enigmatic anomaly belt in the Gander Group east of the GRUB line is identified and modelled. Three hypotheses are advanced for its origin, none of which can be eliminated on simple geophysical grounds. This anomaly belt is interpreted to present obducted ophiolitic materials emplaced in the continental rise prism represented by the Gander Group sediments. |
format |
Article in Journal/Newspaper |
author |
Miller, H. G. Weir, H. C. |
author_facet |
Miller, H. G. Weir, H. C. |
author_sort |
Miller, H. G. |
title |
The northwest portion of the Gander Zone — a geophysical interpretation |
title_short |
The northwest portion of the Gander Zone — a geophysical interpretation |
title_full |
The northwest portion of the Gander Zone — a geophysical interpretation |
title_fullStr |
The northwest portion of the Gander Zone — a geophysical interpretation |
title_full_unstemmed |
The northwest portion of the Gander Zone — a geophysical interpretation |
title_sort |
northwest portion of the gander zone — a geophysical interpretation |
publisher |
Canadian Science Publishing |
publishDate |
1982 |
url |
http://dx.doi.org/10.1139/e82-119 http://www.nrcresearchpress.com/doi/pdf/10.1139/e82-119 |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Canadian Journal of Earth Sciences volume 19, issue 7, page 1371-1381 ISSN 0008-4077 1480-3313 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/e82-119 |
container_title |
Canadian Journal of Earth Sciences |
container_volume |
19 |
container_issue |
7 |
container_start_page |
1371 |
op_container_end_page |
1381 |
_version_ |
1785563875110813696 |