Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ...
Semiquantitative data of calcareous nannofossil species abundance were collected for 31 samples from 380.00 to 696.61 m below sea floor (mbsf) in the CIROS-1 core from the western McMurdo Sound (Ross Sea). This core has provided the most complete record of Paleogene glacial history of Antarctica. On...
Main Author: | |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
1992
|
Subjects: | |
Online Access: | https://dx.doi.org/10.1594/pangaea.758940 https://doi.pangaea.de/10.1594/PANGAEA.758940 |
id |
ftdatacite:10.1594/pangaea.758940 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.1594/pangaea.758940 2024-09-15T17:45:59+00:00 Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ... Wei, Wuchang 1992 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.758940 https://doi.pangaea.de/10.1594/PANGAEA.758940 en eng PANGAEA https://dx.doi.org/10.2973/odp.proc.sr.120.197.1992 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Epoch Nannofossil zone DEPTH, sediment/rock Nannofossil abundance Nannofossils preservation Braarudosphaera bigelowii Chiasmolithus altus Chiasmolithus oamaruensis Chiasmolithus cf. oamaruensis Chiasmolithus sp. Coccolithus pelagicus Cyclicargolithus floridanus Isthmolithus recurvus Lithostromation simplex Reticulofenestra bisecta Reticulofenestra daviesii Reticulofenestra hillae Reticulofenestra umbilicus Sphenolithus moriformis Zygrhablithus bijugatus Drilling/drill rig CIROS Sampling/drilling ice dataset Supplementary Dataset Dataset 1992 ftdatacite https://doi.org/10.1594/pangaea.75894010.2973/odp.proc.sr.120.197.1992 2024-08-01T11:15:14Z Semiquantitative data of calcareous nannofossil species abundance were collected for 31 samples from 380.00 to 696.61 m below sea floor (mbsf) in the CIROS-1 core from the western McMurdo Sound (Ross Sea). This core has provided the most complete record of Paleogene glacial history of Antarctica. Only half of the samples yielded calcareous nannofossils and species diversity is generally low. However, several samples contain diverse assemblages and nannofossil zonal markers. Isthmolithus recurvus was found between 406.57 and 681.16 mbsf. This species has an age range of ~35-39 Ma in the mid to high latitudes, as calibrated previously by magnetostratigraphy at a number of DSDP/ODP sites. The interval from 406.57 to 681.16 mbsf can be assigned to the late Eocene-earliest Oligocene (~35-39 Ma), and the sample at 391.85 mbsf, which still contains Reticulofenestra hillae and Reticulofenestra umbilica but does not contain I. recurvus, is identified as early Oligocene age (~33-34 Ma). This represents an age ... : Nannofossil zones are given according to the southern high-latitude zonation of Wei and Wise (1990, doi:10.2973/odp.proc.sr.113.125.1990). For abundance of nannofossils, C = common, F = few, R = rare, B = barren, X = presence as reported by Edwards and Waghorn (1989), and b = barren as reported by Edwards and Waghorn (1989). ... Dataset Antarc* Antarctica McMurdo Sound Ross Sea DataCite |
institution |
Open Polar |
collection |
DataCite |
op_collection_id |
ftdatacite |
language |
English |
topic |
Epoch Nannofossil zone DEPTH, sediment/rock Nannofossil abundance Nannofossils preservation Braarudosphaera bigelowii Chiasmolithus altus Chiasmolithus oamaruensis Chiasmolithus cf. oamaruensis Chiasmolithus sp. Coccolithus pelagicus Cyclicargolithus floridanus Isthmolithus recurvus Lithostromation simplex Reticulofenestra bisecta Reticulofenestra daviesii Reticulofenestra hillae Reticulofenestra umbilicus Sphenolithus moriformis Zygrhablithus bijugatus Drilling/drill rig CIROS Sampling/drilling ice |
spellingShingle |
Epoch Nannofossil zone DEPTH, sediment/rock Nannofossil abundance Nannofossils preservation Braarudosphaera bigelowii Chiasmolithus altus Chiasmolithus oamaruensis Chiasmolithus cf. oamaruensis Chiasmolithus sp. Coccolithus pelagicus Cyclicargolithus floridanus Isthmolithus recurvus Lithostromation simplex Reticulofenestra bisecta Reticulofenestra daviesii Reticulofenestra hillae Reticulofenestra umbilicus Sphenolithus moriformis Zygrhablithus bijugatus Drilling/drill rig CIROS Sampling/drilling ice Wei, Wuchang Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ... |
topic_facet |
Epoch Nannofossil zone DEPTH, sediment/rock Nannofossil abundance Nannofossils preservation Braarudosphaera bigelowii Chiasmolithus altus Chiasmolithus oamaruensis Chiasmolithus cf. oamaruensis Chiasmolithus sp. Coccolithus pelagicus Cyclicargolithus floridanus Isthmolithus recurvus Lithostromation simplex Reticulofenestra bisecta Reticulofenestra daviesii Reticulofenestra hillae Reticulofenestra umbilicus Sphenolithus moriformis Zygrhablithus bijugatus Drilling/drill rig CIROS Sampling/drilling ice |
description |
Semiquantitative data of calcareous nannofossil species abundance were collected for 31 samples from 380.00 to 696.61 m below sea floor (mbsf) in the CIROS-1 core from the western McMurdo Sound (Ross Sea). This core has provided the most complete record of Paleogene glacial history of Antarctica. Only half of the samples yielded calcareous nannofossils and species diversity is generally low. However, several samples contain diverse assemblages and nannofossil zonal markers. Isthmolithus recurvus was found between 406.57 and 681.16 mbsf. This species has an age range of ~35-39 Ma in the mid to high latitudes, as calibrated previously by magnetostratigraphy at a number of DSDP/ODP sites. The interval from 406.57 to 681.16 mbsf can be assigned to the late Eocene-earliest Oligocene (~35-39 Ma), and the sample at 391.85 mbsf, which still contains Reticulofenestra hillae and Reticulofenestra umbilica but does not contain I. recurvus, is identified as early Oligocene age (~33-34 Ma). This represents an age ... : Nannofossil zones are given according to the southern high-latitude zonation of Wei and Wise (1990, doi:10.2973/odp.proc.sr.113.125.1990). For abundance of nannofossils, C = common, F = few, R = rare, B = barren, X = presence as reported by Edwards and Waghorn (1989), and b = barren as reported by Edwards and Waghorn (1989). ... |
format |
Dataset |
author |
Wei, Wuchang |
author_facet |
Wei, Wuchang |
author_sort |
Wei, Wuchang |
title |
Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ... |
title_short |
Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ... |
title_full |
Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ... |
title_fullStr |
Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ... |
title_full_unstemmed |
Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) ... |
title_sort |
distribution of calcareous nannofossils in the lower sequence of the ciros-1 sediment core (table 2) ... |
publisher |
PANGAEA |
publishDate |
1992 |
url |
https://dx.doi.org/10.1594/pangaea.758940 https://doi.pangaea.de/10.1594/PANGAEA.758940 |
genre |
Antarc* Antarctica McMurdo Sound Ross Sea |
genre_facet |
Antarc* Antarctica McMurdo Sound Ross Sea |
op_relation |
https://dx.doi.org/10.2973/odp.proc.sr.120.197.1992 |
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.75894010.2973/odp.proc.sr.120.197.1992 |
_version_ |
1810493916219179008 |