Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago
It is argued on the basis of structural, stratigraphic, and sedimentologic criteria that Princess Margaret Arch developed during the principal phase of Eurekan thrusting and folding and therefore is no older than Middle Eocene. Sub-Eureka Sound Group unconformities on eastern Axel Heiberg Island are...
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Canadian Science Publishing
1987
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Online Access: | http://dx.doi.org/10.1139/e87-234 http://www.nrcresearchpress.com/doi/pdf/10.1139/e87-234 |
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crcansciencepubl:10.1139/e87-234 2023-12-17T10:23:38+01:00 Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago Ricketts, B. D. 1987 http://dx.doi.org/10.1139/e87-234 http://www.nrcresearchpress.com/doi/pdf/10.1139/e87-234 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Earth Sciences volume 24, issue 12, page 2499-2505 ISSN 0008-4077 1480-3313 General Earth and Planetary Sciences journal-article 1987 crcansciencepubl https://doi.org/10.1139/e87-234 2023-11-19T13:38:28Z It is argued on the basis of structural, stratigraphic, and sedimentologic criteria that Princess Margaret Arch developed during the principal phase of Eurekan thrusting and folding and therefore is no older than Middle Eocene. Sub-Eureka Sound Group unconformities on eastern Axel Heiberg Island are not associated with uplift on the eastern flank of this arch but are related to erosion of Mesozoic Sverdrup Basin strata over local evaporite diapir domes and ridges. Considerable disparity exists between levels of erosion on the flanks of the arch and the level of erosion along its axis, which cannot be explained by pre-Eocene uplift. Sedimentary facies and textural and petrographic characterisitics of Eureka Sound Group strata do not reflect proximity to an arch. Palynomorph assemblages in the west-derived, syntectonic Buchanan Lake Formation (Middle Eocene) contain reworked latest Cretaceous spores and pollen that were derived from Eureka Sound Group strata originally located on or close to the arch axis.Eureka Sound Group sedimentation in the Axel Heiberg Island – west Ellesmere Island region took place in a single, contiguous basin, rather than in smaller basins that were separated by ancestral Princess Margaret Arch. Article in Journal/Newspaper Arctic Archipelago Arctic Axel Heiberg Island Ellesmere Island Eureka Sound sverdrup basin Canadian Science Publishing (via Crossref) Arctic Ellesmere Island Eureka ENVELOPE(-85.940,-85.940,79.990,79.990) Heiberg ENVELOPE(13.964,13.964,66.424,66.424) Axel Heiberg Island ENVELOPE(-91.001,-91.001,79.752,79.752) Eureka Sound ENVELOPE(-84.999,-84.999,79.002,79.002) The Arch ENVELOPE(-55.981,-55.981,49.700,49.700) Canadian Journal of Earth Sciences 24 12 2499 2505 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
General Earth and Planetary Sciences |
spellingShingle |
General Earth and Planetary Sciences Ricketts, B. D. Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago |
topic_facet |
General Earth and Planetary Sciences |
description |
It is argued on the basis of structural, stratigraphic, and sedimentologic criteria that Princess Margaret Arch developed during the principal phase of Eurekan thrusting and folding and therefore is no older than Middle Eocene. Sub-Eureka Sound Group unconformities on eastern Axel Heiberg Island are not associated with uplift on the eastern flank of this arch but are related to erosion of Mesozoic Sverdrup Basin strata over local evaporite diapir domes and ridges. Considerable disparity exists between levels of erosion on the flanks of the arch and the level of erosion along its axis, which cannot be explained by pre-Eocene uplift. Sedimentary facies and textural and petrographic characterisitics of Eureka Sound Group strata do not reflect proximity to an arch. Palynomorph assemblages in the west-derived, syntectonic Buchanan Lake Formation (Middle Eocene) contain reworked latest Cretaceous spores and pollen that were derived from Eureka Sound Group strata originally located on or close to the arch axis.Eureka Sound Group sedimentation in the Axel Heiberg Island – west Ellesmere Island region took place in a single, contiguous basin, rather than in smaller basins that were separated by ancestral Princess Margaret Arch. |
format |
Article in Journal/Newspaper |
author |
Ricketts, B. D. |
author_facet |
Ricketts, B. D. |
author_sort |
Ricketts, B. D. |
title |
Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago |
title_short |
Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago |
title_full |
Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago |
title_fullStr |
Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago |
title_full_unstemmed |
Princess Margaret Arch: re-evaluation of an element of the Eurekan Orogen, Axel Heiberg Island, Arctic Archipelago |
title_sort |
princess margaret arch: re-evaluation of an element of the eurekan orogen, axel heiberg island, arctic archipelago |
publisher |
Canadian Science Publishing |
publishDate |
1987 |
url |
http://dx.doi.org/10.1139/e87-234 http://www.nrcresearchpress.com/doi/pdf/10.1139/e87-234 |
long_lat |
ENVELOPE(-85.940,-85.940,79.990,79.990) ENVELOPE(13.964,13.964,66.424,66.424) ENVELOPE(-91.001,-91.001,79.752,79.752) ENVELOPE(-84.999,-84.999,79.002,79.002) ENVELOPE(-55.981,-55.981,49.700,49.700) |
geographic |
Arctic Ellesmere Island Eureka Heiberg Axel Heiberg Island Eureka Sound The Arch |
geographic_facet |
Arctic Ellesmere Island Eureka Heiberg Axel Heiberg Island Eureka Sound The Arch |
genre |
Arctic Archipelago Arctic Axel Heiberg Island Ellesmere Island Eureka Sound sverdrup basin |
genre_facet |
Arctic Archipelago Arctic Axel Heiberg Island Ellesmere Island Eureka Sound sverdrup basin |
op_source |
Canadian Journal of Earth Sciences volume 24, issue 12, page 2499-2505 ISSN 0008-4077 1480-3313 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/e87-234 |
container_title |
Canadian Journal of Earth Sciences |
container_volume |
24 |
container_issue |
12 |
container_start_page |
2499 |
op_container_end_page |
2505 |
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1785559407788032000 |