Mineralogical composition of the upper 300m of Hole 302-M0002A ...
During the Arctic Coring Expedition (ACEX), a 428-m-thick sequence of Upper Cretaceous to Quaternary sediments was penetrated. The mineralogical composition of the upper 300 m of this sequence is presented here for the first time. Heavy and clay mineral associations indicate a major and consistent s...
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ftdatacite:10.1594/pangaea.707428 2023-05-15T14:13:37+02:00 Mineralogical composition of the upper 300m of Hole 302-M0002A ... Krylov, Alexey A Andreeva, Irina A Vogt, Christoph Backman, Jan Krupskaya, Viktoria V Grikurov, Garrik E Moran, Kathryn Shoji, Hitoshi 2008 application/zip https://dx.doi.org/10.1594/pangaea.707428 https://doi.pangaea.de/10.1594/PANGAEA.707428 en eng PANGAEA https://dx.doi.org/10.1029/2007pa001497 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Exp302 CCGS Captain Molly Kool Vidar Viking Integrated Ocean Drilling Program / International Ocean Discovery Program IODP article Collection Supplementary Publication Series of Datasets 2008 ftdatacite https://doi.org/10.1594/pangaea.70742810.1029/2007pa001497 2023-04-03T12:51:48Z During the Arctic Coring Expedition (ACEX), a 428-m-thick sequence of Upper Cretaceous to Quaternary sediments was penetrated. The mineralogical composition of the upper 300 m of this sequence is presented here for the first time. Heavy and clay mineral associations indicate a major and consistent shift in provenance, from the Barents-Kara - western Laptev Sea region, characterized by presence of common clinopyroxene, to the eastern Laptev-East Siberian seas in the upper part of the section, characterized by common hornblende (amphibole). Sea ice originating from the latter source region must have survived at least one summer melt cycle in order to reach the ACEX drill site, if considering modern sea ice trajectories and velocities. This shift in mineral assemblages probably represents the onset of a perennial sea ice cover in the Arctic Ocean, which occurred at about 13 Ma, thus suggesting a coeval freeze in the Arctic and Antarctic regions. ... : Supplement to: Krylov, Alexey A; Andreeva, Irina A; Vogt, Christoph; Backman, Jan; Krupskaya, Viktoria V; Grikurov, Garrik E; Moran, Kathryn; Shoji, Hitoshi (2008): A shift in heavy and clay mineral provenance indicates a middle Miocene onset of a perennial sea ice cover in the Arctic Ocean. Paleoceanography, 23, PA1S06 ... Article in Journal/Newspaper Antarc* Antarctic Arctic Arctic Ocean laptev Laptev Sea Sea ice DataCite Metadata Store (German National Library of Science and Technology) Arctic Antarctic Arctic Ocean Laptev Sea Andreeva ENVELOPE(155.200,155.200,-68.917,-68.917) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Exp302 CCGS Captain Molly Kool Vidar Viking Integrated Ocean Drilling Program / International Ocean Discovery Program IODP |
spellingShingle |
Exp302 CCGS Captain Molly Kool Vidar Viking Integrated Ocean Drilling Program / International Ocean Discovery Program IODP Krylov, Alexey A Andreeva, Irina A Vogt, Christoph Backman, Jan Krupskaya, Viktoria V Grikurov, Garrik E Moran, Kathryn Shoji, Hitoshi Mineralogical composition of the upper 300m of Hole 302-M0002A ... |
topic_facet |
Exp302 CCGS Captain Molly Kool Vidar Viking Integrated Ocean Drilling Program / International Ocean Discovery Program IODP |
description |
During the Arctic Coring Expedition (ACEX), a 428-m-thick sequence of Upper Cretaceous to Quaternary sediments was penetrated. The mineralogical composition of the upper 300 m of this sequence is presented here for the first time. Heavy and clay mineral associations indicate a major and consistent shift in provenance, from the Barents-Kara - western Laptev Sea region, characterized by presence of common clinopyroxene, to the eastern Laptev-East Siberian seas in the upper part of the section, characterized by common hornblende (amphibole). Sea ice originating from the latter source region must have survived at least one summer melt cycle in order to reach the ACEX drill site, if considering modern sea ice trajectories and velocities. This shift in mineral assemblages probably represents the onset of a perennial sea ice cover in the Arctic Ocean, which occurred at about 13 Ma, thus suggesting a coeval freeze in the Arctic and Antarctic regions. ... : Supplement to: Krylov, Alexey A; Andreeva, Irina A; Vogt, Christoph; Backman, Jan; Krupskaya, Viktoria V; Grikurov, Garrik E; Moran, Kathryn; Shoji, Hitoshi (2008): A shift in heavy and clay mineral provenance indicates a middle Miocene onset of a perennial sea ice cover in the Arctic Ocean. Paleoceanography, 23, PA1S06 ... |
format |
Article in Journal/Newspaper |
author |
Krylov, Alexey A Andreeva, Irina A Vogt, Christoph Backman, Jan Krupskaya, Viktoria V Grikurov, Garrik E Moran, Kathryn Shoji, Hitoshi |
author_facet |
Krylov, Alexey A Andreeva, Irina A Vogt, Christoph Backman, Jan Krupskaya, Viktoria V Grikurov, Garrik E Moran, Kathryn Shoji, Hitoshi |
author_sort |
Krylov, Alexey A |
title |
Mineralogical composition of the upper 300m of Hole 302-M0002A ... |
title_short |
Mineralogical composition of the upper 300m of Hole 302-M0002A ... |
title_full |
Mineralogical composition of the upper 300m of Hole 302-M0002A ... |
title_fullStr |
Mineralogical composition of the upper 300m of Hole 302-M0002A ... |
title_full_unstemmed |
Mineralogical composition of the upper 300m of Hole 302-M0002A ... |
title_sort |
mineralogical composition of the upper 300m of hole 302-m0002a ... |
publisher |
PANGAEA |
publishDate |
2008 |
url |
https://dx.doi.org/10.1594/pangaea.707428 https://doi.pangaea.de/10.1594/PANGAEA.707428 |
long_lat |
ENVELOPE(155.200,155.200,-68.917,-68.917) |
geographic |
Arctic Antarctic Arctic Ocean Laptev Sea Andreeva |
geographic_facet |
Arctic Antarctic Arctic Ocean Laptev Sea Andreeva |
genre |
Antarc* Antarctic Arctic Arctic Ocean laptev Laptev Sea Sea ice |
genre_facet |
Antarc* Antarctic Arctic Arctic Ocean laptev Laptev Sea Sea ice |
op_relation |
https://dx.doi.org/10.1029/2007pa001497 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.70742810.1029/2007pa001497 |
_version_ |
1766286079445434368 |