Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic
Nearly complete Paleogene sedimentary sequences were recovered by Leg 114 to the subantarctic South Atlantic. Silicoflagellate assemblages from the Paleogene and immediately overlying lower Neogene from Sites 698 (Northeast Georgia Rise), 700 (East Georgia Basin), 702 (Islas Orcadas Rise), and 703 (...
Main Author: | |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
1991
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.755339 https://doi.org/10.1594/PANGAEA.755339 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.755339 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.755339 2023-05-15T13:42:10+02:00 Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic Ciesielski, Paul F MEDIAN LATITUDE: -49.028182 * MEDIAN LONGITUDE: -9.357636 * SOUTH-BOUND LATITUDE: -51.533000 * WEST-BOUND LONGITUDE: -33.099300 * NORTH-BOUND LATITUDE: -47.051000 * EAST-BOUND LONGITUDE: 7.894700 * DATE/TIME START: 1987-03-16T13:05:00 * DATE/TIME END: 1987-04-24T07:14:00 1991-12-16 application/zip, 11 datasets https://doi.pangaea.de/10.1594/PANGAEA.755339 https://doi.org/10.1594/PANGAEA.755339 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.755339 https://doi.org/10.1594/PANGAEA.755339 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Ciesielski, Paul F (1991): Biostratigraphy of diverse silicoflagellate assemblages from the early Paleocene to early Miocene of Holes 698A, 700B, 702B, and 703A: subantarctic South Atlantic. In: Ciesielski, PF; Kristoffersen, Y; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 114, 49-96, https://doi.org/10.2973/odp.proc.sr.114.145.1991 114-698A 114-700B 114-702B 114-703A DRILL Drilling/drill rig Joides Resolution Leg114 Ocean Drilling Program ODP South Atlantic Ocean Dataset 1991 ftpangaea https://doi.org/10.1594/PANGAEA.755339 https://doi.org/10.2973/odp.proc.sr.114.145.1991 2023-01-20T07:32:00Z Nearly complete Paleogene sedimentary sequences were recovered by Leg 114 to the subantarctic South Atlantic. Silicoflagellate assemblages from the Paleogene and immediately overlying lower Neogene from Sites 698 (Northeast Georgia Rise), 700 (East Georgia Basin), 702 (Islas Orcadas Rise), and 703 (Meteor Rise) were examined. The described assemblage from Hole 700B represents the most complete yet described from the Paleocene, encompassing planktonic foraminifer Zones Plb (upper part) through P4 and Subchrons C25N to C23N. All lower Eocene sediments are barren as a result of diagenesis, except for a single sample from Hole 698A. Middle Eocene silicoflagellates described from Hole 702B range in age from early middle Eocene (P10) to late Eocene (PI5), with correlations to Subchrons C21N to C18N. Hole 703A contains late Eocene through early Miocene assemblages, with paleomagnetic control from Subchrons C16R to C6AAN. Leg 114 biosiliceous sequences contain exceptionally diverse assemblages of silicoflagellates. Approximately 155 species and separate morphotypes are described from the Paleogene and earliest Neogene. New taxa described from Leg 114 sediments include Bachmannocena vetula n. sp., Corbisema animoparallela n. sp., Corbisema camara n. sp., Corbisema constricta spinosa n. subsp., Corbisema delicata n. sp., Corbisema hastata aha n. subsp., Corbisema praedelicata n. sp., Corbisema scapana n. sp., Corbisema triacantha lepidospinosa n. subsp., Dictyocha deflandreifurtivia n. subsp., Naviculopsis biapiculata nodulifera n. subsp., Naviculopsis cruciata n. sp., Naviculopsis pandalata n. sp., Naviculopsis primativa n. sp., and Naviculopsis trispinosa eminula n. subsp. Taxonomic revisions were made to the following taxa: Corbisema constricta constricta emended, Corbisema disymmetrica crenulata n. comb., Corbisema jerseyensis emended, and Distephanus antarcticus n. comb. Silicoflagellate assemblages from the Paleogene and earliest Neogene of Holes 698A, 699A, 700B, 702B, and 703A are the basis of a silicoflagellate ... Dataset Antarc* antarcticus South Atlantic Ocean PANGAEA - Data Publisher for Earth & Environmental Science Georgia Basin ENVELOPE(-35.500,-35.500,-50.750,-50.750) Georgia Rise ENVELOPE(-32.500,-32.500,-52.500,-52.500) Islas Orcadas Rise ENVELOPE(-26.000,-26.000,-51.500,-51.500) Northeast Georgia Rise ENVELOPE(-32.500,-32.500,-52.500,-52.500) Orcadas ENVELOPE(-44.717,-44.717,-60.750,-60.750) Orcadas Rise ENVELOPE(-26.000,-26.000,-51.500,-51.500) ENVELOPE(-33.099300,7.894700,-47.051000,-51.533000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
114-698A 114-700B 114-702B 114-703A DRILL Drilling/drill rig Joides Resolution Leg114 Ocean Drilling Program ODP South Atlantic Ocean |
spellingShingle |
114-698A 114-700B 114-702B 114-703A DRILL Drilling/drill rig Joides Resolution Leg114 Ocean Drilling Program ODP South Atlantic Ocean Ciesielski, Paul F Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic |
topic_facet |
114-698A 114-700B 114-702B 114-703A DRILL Drilling/drill rig Joides Resolution Leg114 Ocean Drilling Program ODP South Atlantic Ocean |
description |
Nearly complete Paleogene sedimentary sequences were recovered by Leg 114 to the subantarctic South Atlantic. Silicoflagellate assemblages from the Paleogene and immediately overlying lower Neogene from Sites 698 (Northeast Georgia Rise), 700 (East Georgia Basin), 702 (Islas Orcadas Rise), and 703 (Meteor Rise) were examined. The described assemblage from Hole 700B represents the most complete yet described from the Paleocene, encompassing planktonic foraminifer Zones Plb (upper part) through P4 and Subchrons C25N to C23N. All lower Eocene sediments are barren as a result of diagenesis, except for a single sample from Hole 698A. Middle Eocene silicoflagellates described from Hole 702B range in age from early middle Eocene (P10) to late Eocene (PI5), with correlations to Subchrons C21N to C18N. Hole 703A contains late Eocene through early Miocene assemblages, with paleomagnetic control from Subchrons C16R to C6AAN. Leg 114 biosiliceous sequences contain exceptionally diverse assemblages of silicoflagellates. Approximately 155 species and separate morphotypes are described from the Paleogene and earliest Neogene. New taxa described from Leg 114 sediments include Bachmannocena vetula n. sp., Corbisema animoparallela n. sp., Corbisema camara n. sp., Corbisema constricta spinosa n. subsp., Corbisema delicata n. sp., Corbisema hastata aha n. subsp., Corbisema praedelicata n. sp., Corbisema scapana n. sp., Corbisema triacantha lepidospinosa n. subsp., Dictyocha deflandreifurtivia n. subsp., Naviculopsis biapiculata nodulifera n. subsp., Naviculopsis cruciata n. sp., Naviculopsis pandalata n. sp., Naviculopsis primativa n. sp., and Naviculopsis trispinosa eminula n. subsp. Taxonomic revisions were made to the following taxa: Corbisema constricta constricta emended, Corbisema disymmetrica crenulata n. comb., Corbisema jerseyensis emended, and Distephanus antarcticus n. comb. Silicoflagellate assemblages from the Paleogene and earliest Neogene of Holes 698A, 699A, 700B, 702B, and 703A are the basis of a silicoflagellate ... |
format |
Dataset |
author |
Ciesielski, Paul F |
author_facet |
Ciesielski, Paul F |
author_sort |
Ciesielski, Paul F |
title |
Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic |
title_short |
Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic |
title_full |
Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic |
title_fullStr |
Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic |
title_full_unstemmed |
Silicoflagellates of early Paleocene to early Miocene sediments of the subantarctic South Atlantic |
title_sort |
silicoflagellates of early paleocene to early miocene sediments of the subantarctic south atlantic |
publisher |
PANGAEA |
publishDate |
1991 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.755339 https://doi.org/10.1594/PANGAEA.755339 |
op_coverage |
MEDIAN LATITUDE: -49.028182 * MEDIAN LONGITUDE: -9.357636 * SOUTH-BOUND LATITUDE: -51.533000 * WEST-BOUND LONGITUDE: -33.099300 * NORTH-BOUND LATITUDE: -47.051000 * EAST-BOUND LONGITUDE: 7.894700 * DATE/TIME START: 1987-03-16T13:05:00 * DATE/TIME END: 1987-04-24T07:14:00 |
long_lat |
ENVELOPE(-35.500,-35.500,-50.750,-50.750) ENVELOPE(-32.500,-32.500,-52.500,-52.500) ENVELOPE(-26.000,-26.000,-51.500,-51.500) ENVELOPE(-32.500,-32.500,-52.500,-52.500) ENVELOPE(-44.717,-44.717,-60.750,-60.750) ENVELOPE(-26.000,-26.000,-51.500,-51.500) ENVELOPE(-33.099300,7.894700,-47.051000,-51.533000) |
geographic |
Georgia Basin Georgia Rise Islas Orcadas Rise Northeast Georgia Rise Orcadas Orcadas Rise |
geographic_facet |
Georgia Basin Georgia Rise Islas Orcadas Rise Northeast Georgia Rise Orcadas Orcadas Rise |
genre |
Antarc* antarcticus South Atlantic Ocean |
genre_facet |
Antarc* antarcticus South Atlantic Ocean |
op_source |
Supplement to: Ciesielski, Paul F (1991): Biostratigraphy of diverse silicoflagellate assemblages from the early Paleocene to early Miocene of Holes 698A, 700B, 702B, and 703A: subantarctic South Atlantic. In: Ciesielski, PF; Kristoffersen, Y; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 114, 49-96, https://doi.org/10.2973/odp.proc.sr.114.145.1991 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.755339 https://doi.org/10.1594/PANGAEA.755339 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.755339 https://doi.org/10.2973/odp.proc.sr.114.145.1991 |
_version_ |
1766163951689662464 |