(Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ...
Upper Berriasian to lower Aptian calcareous nannofossil assemblages have been studied from a siliciclastic deep-sea fan complex and a subjacent limestone sequence drilled beneath the lower continental rise in the western North American Basin, 270 miles (435 km) off Cape Hatteras, North Carolina (USA...
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PANGAEA - Publishing Network for Geoscientific and Environmental Data
1987
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Online Access: | https://dx.doi.org/10.15468/qtxx93 https://www.gbif.org/dataset/d78597ef-3726-48a7-aac3-2db57b0f1acb |
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ftdatacite:10.15468/qtxx93 2023-12-31T10:20:40+01:00 (Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ... J Mitchener Covington Wise, Sherwood W 1987 https://dx.doi.org/10.15468/qtxx93 https://www.gbif.org/dataset/d78597ef-3726-48a7-aac3-2db57b0f1acb en eng PANGAEA - Publishing Network for Geoscientific and Environmental Data https://dx.doi.org/10.1594/pangaea.788888 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Dataset OCCURRENCE dataset 1987 ftdatacite https://doi.org/10.15468/qtxx9310.1594/pangaea.788888 2023-12-01T10:29:53Z Upper Berriasian to lower Aptian calcareous nannofossil assemblages have been studied from a siliciclastic deep-sea fan complex and a subjacent limestone sequence drilled beneath the lower continental rise in the western North American Basin, 270 miles (435 km) off Cape Hatteras, North Carolina (USA). Sharp lithologic facies changes and reworking by turbidites complicate the biostratigraphic interpretation, but provide an excellent opportunity to better distinguish "nearshore" from open-ocean nannofossil species, and to investigate the introduction of neritic taxa into the deep-see environment, a phenomenon that appears to have been widespread within the circum-North Atlantic during Neocomian times. Well-preserved assemblages in dark, carbonaceous claystones were probably displaced from the oxygen minimum zone along the upper slope or outer shelf. Neritic, continental margin species prevalent in this facies include the holococcolith Zebrashapka vanhintei n. gen., n. sp., Lithraphidites alatus magnus n. spp., ... Dataset North Atlantic DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
description |
Upper Berriasian to lower Aptian calcareous nannofossil assemblages have been studied from a siliciclastic deep-sea fan complex and a subjacent limestone sequence drilled beneath the lower continental rise in the western North American Basin, 270 miles (435 km) off Cape Hatteras, North Carolina (USA). Sharp lithologic facies changes and reworking by turbidites complicate the biostratigraphic interpretation, but provide an excellent opportunity to better distinguish "nearshore" from open-ocean nannofossil species, and to investigate the introduction of neritic taxa into the deep-see environment, a phenomenon that appears to have been widespread within the circum-North Atlantic during Neocomian times. Well-preserved assemblages in dark, carbonaceous claystones were probably displaced from the oxygen minimum zone along the upper slope or outer shelf. Neritic, continental margin species prevalent in this facies include the holococcolith Zebrashapka vanhintei n. gen., n. sp., Lithraphidites alatus magnus n. spp., ... |
format |
Dataset |
author |
J Mitchener Covington Wise, Sherwood W |
spellingShingle |
J Mitchener Covington Wise, Sherwood W (Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ... |
author_facet |
J Mitchener Covington Wise, Sherwood W |
author_sort |
J Mitchener Covington |
title |
(Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ... |
title_short |
(Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ... |
title_full |
(Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ... |
title_fullStr |
(Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ... |
title_full_unstemmed |
(Table 1) Distribution of Lower Cretaceous calcareous nannofossils at DSDP Hole 93-603B ... |
title_sort |
(table 1) distribution of lower cretaceous calcareous nannofossils at dsdp hole 93-603b ... |
publisher |
PANGAEA - Publishing Network for Geoscientific and Environmental Data |
publishDate |
1987 |
url |
https://dx.doi.org/10.15468/qtxx93 https://www.gbif.org/dataset/d78597ef-3726-48a7-aac3-2db57b0f1acb |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
https://dx.doi.org/10.1594/pangaea.788888 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.15468/qtxx9310.1594/pangaea.788888 |
_version_ |
1786831140200382464 |