Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24
Eocene and Oligocene radiolarians were recovered from Site 1128 on the slope of the upper continental rise during Ocean Drilling Program (ODP) Leg 182 in the Australian Bight. The early Oligocene radiolarians cored at Site 1128 vary considerably in abundance and preservation. Many intervals are barr...
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ftdatacite:10.1594/pangaea.785795 2023-05-15T13:51:18+02:00 Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24 Sanfilippo, Annika Fourtanier, Elisabeth 2003 application/zip https://dx.doi.org/10.1594/pangaea.785795 https://doi.pangaea.de/10.1594/PANGAEA.785795 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.2973/odp.proc.sr.182.004.2003 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Drilling/drill rig Leg182 Joides Resolution Ocean Drilling Program ODP Supplementary Collection of Datasets Collection article 2003 ftdatacite https://doi.org/10.1594/pangaea.785795 https://doi.org/10.2973/odp.proc.sr.182.004.2003 2022-02-08T16:24:46Z Eocene and Oligocene radiolarians were recovered from Site 1128 on the slope of the upper continental rise during Ocean Drilling Program (ODP) Leg 182 in the Australian Bight. The early Oligocene radiolarians cored at Site 1128 vary considerably in abundance and preservation. Many intervals are barren or contain only rare fragments of radiolarians. Early Oligocene assemblages are dominated by sponge spicules and diatoms, similar to faunas of modern cold temperate shelf waters, and age diagnostic radiolarians useful for stratigraphic determination are rare. The interval is characterized by abundant actinommids and a dominance of robust artostrobiids representing the genus Siphocampe. In contrast, tropical taxa are present sporadically in rare abundance in the Eocene sediments. The radiolarian assemblages from the Eocene-Oligocene sequence at Site 1128 lack zonal marker species reported from regions further south or north, and thus, age estimates cannot be made using previously published zonations. However, the presence of diverse and well-preserved radiolarians in these assemblages indicates that it should be possible to establish a zonation for this intermediate latitude sub-Antarctic region as more comparable material becomes available.The ebridian Ammodochium ampulla Deflandre is present at Site 1128. A. ampulla was originally described from the upper Eocene diatomite of Oamaru, New Zealand, and was previously recorded in assemblages from the sub-Antarctic southwest Pacific, Deep Sea Drilling Project Sites 277, 281, and 283. Diatoms were either absent or rare and poorly preserved in the samples examined between Cores 182-1128C-9H and 21X. Zonal markers for both the low-latitude and the high southern latitude diatom zonations for the Oligocene are absent, and precise correlation of this interval is impossible. The diatom assemblage in Sample 182-1128C-8H-4, 130-132 cm, contains a combination of oceanic and neritic diatoms, and the presence of Rocella vigilans and Coscinodiscus rhombicus suggests a late Oligocene or earliest Miocene age. Between Cores 182-1128C-22X and 26X, the diatom assemblages contain a combination of neritic and oceanic taxa, including the species Cestodiscus reticulatus and Cestodiscus convexus, which are indicative of an early Oligocene age. Article in Journal/Newspaper Antarc* Antarctic DataCite Metadata Store (German National Library of Science and Technology) Antarctic Malone ENVELOPE(-85.600,-85.600,-77.867,-77.867) New Zealand Pacific |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Drilling/drill rig Leg182 Joides Resolution Ocean Drilling Program ODP |
spellingShingle |
Drilling/drill rig Leg182 Joides Resolution Ocean Drilling Program ODP Sanfilippo, Annika Fourtanier, Elisabeth Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24 |
topic_facet |
Drilling/drill rig Leg182 Joides Resolution Ocean Drilling Program ODP |
description |
Eocene and Oligocene radiolarians were recovered from Site 1128 on the slope of the upper continental rise during Ocean Drilling Program (ODP) Leg 182 in the Australian Bight. The early Oligocene radiolarians cored at Site 1128 vary considerably in abundance and preservation. Many intervals are barren or contain only rare fragments of radiolarians. Early Oligocene assemblages are dominated by sponge spicules and diatoms, similar to faunas of modern cold temperate shelf waters, and age diagnostic radiolarians useful for stratigraphic determination are rare. The interval is characterized by abundant actinommids and a dominance of robust artostrobiids representing the genus Siphocampe. In contrast, tropical taxa are present sporadically in rare abundance in the Eocene sediments. The radiolarian assemblages from the Eocene-Oligocene sequence at Site 1128 lack zonal marker species reported from regions further south or north, and thus, age estimates cannot be made using previously published zonations. However, the presence of diverse and well-preserved radiolarians in these assemblages indicates that it should be possible to establish a zonation for this intermediate latitude sub-Antarctic region as more comparable material becomes available.The ebridian Ammodochium ampulla Deflandre is present at Site 1128. A. ampulla was originally described from the upper Eocene diatomite of Oamaru, New Zealand, and was previously recorded in assemblages from the sub-Antarctic southwest Pacific, Deep Sea Drilling Project Sites 277, 281, and 283. Diatoms were either absent or rare and poorly preserved in the samples examined between Cores 182-1128C-9H and 21X. Zonal markers for both the low-latitude and the high southern latitude diatom zonations for the Oligocene are absent, and precise correlation of this interval is impossible. The diatom assemblage in Sample 182-1128C-8H-4, 130-132 cm, contains a combination of oceanic and neritic diatoms, and the presence of Rocella vigilans and Coscinodiscus rhombicus suggests a late Oligocene or earliest Miocene age. Between Cores 182-1128C-22X and 26X, the diatom assemblages contain a combination of neritic and oceanic taxa, including the species Cestodiscus reticulatus and Cestodiscus convexus, which are indicative of an early Oligocene age. |
format |
Article in Journal/Newspaper |
author |
Sanfilippo, Annika Fourtanier, Elisabeth |
author_facet |
Sanfilippo, Annika Fourtanier, Elisabeth |
author_sort |
Sanfilippo, Annika |
title |
Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24 |
title_short |
Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24 |
title_full |
Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24 |
title_fullStr |
Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24 |
title_full_unstemmed |
Radiolaria and diatom stratigraphy of ODP Hole 182-1128C sediments, supplement to: Sanfilippo, Annika; Fourtanier, Elisabeth (2003): Oligocene radiolarians, diatoms, and ebridians from the Great Australian Bight (ODP Leg 182, Site 1128). In: Hine, AC; Feary, DA; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 182, 1-24 |
title_sort |
radiolaria and diatom stratigraphy of odp hole 182-1128c sediments, supplement to: sanfilippo, annika; fourtanier, elisabeth (2003): oligocene radiolarians, diatoms, and ebridians from the great australian bight (odp leg 182, site 1128). in: hine, ac; feary, da; malone, mj (eds.) proceedings of the ocean drilling program, scientific results, college station, tx (ocean drilling program), 182, 1-24 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2003 |
url |
https://dx.doi.org/10.1594/pangaea.785795 https://doi.pangaea.de/10.1594/PANGAEA.785795 |
long_lat |
ENVELOPE(-85.600,-85.600,-77.867,-77.867) |
geographic |
Antarctic Malone New Zealand Pacific |
geographic_facet |
Antarctic Malone New Zealand Pacific |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_relation |
https://dx.doi.org/10.2973/odp.proc.sr.182.004.2003 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.785795 https://doi.org/10.2973/odp.proc.sr.182.004.2003 |
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1766255118159708160 |