Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ...
The neodymium (Nd) isotope composition of ancient seawater is a potentially useful tracer of changes in continental inputs and ocean circulation on timescales of a few ka. Here we present the first Nd isotope record for seawater using sedimentary foraminifera cleaned using standard oxidative-reducti...
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ftdatacite:10.1594/pangaea.711374 2023-05-15T17:14:58+02:00 Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ... Vance, Derek Burton, Kevin W 1999 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.711374 https://doi.pangaea.de/10.1594/PANGAEA.711374 en eng PANGAEA https://dx.doi.org/10.1016/s0012-821x(99)00244-7 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 DEPTH, sediment/rock AGE Sample code/label Mass Manganese/Calcium ratio Neodymium-143/Neodymium-144 ratio Neodymium-143/Neodymium-144 ratio, error ε-Neodymium ε-Neodymium, standard deviation Samarium Neodymium Neodymium/Calcium ratio Samarium-147/Neodymium-144 ratio Samarium-147/Neodymium-144, standard deviation Drilling/drill rig DSDP/ODP/IODP sample designation Inductively coupled plasma - mass spectrometry ICP-MS Mass spectrometer Finnigan MAT 262 Calculated Leg105 Joides Resolution Ocean Drilling Program ODP dataset Dataset Supplementary Dataset 1999 ftdatacite https://doi.org/10.1594/pangaea.71137410.1016/s0012-821x(99)00244-7 2023-04-03T13:12:12Z The neodymium (Nd) isotope composition of ancient seawater is a potentially useful tracer of changes in continental inputs and ocean circulation on timescales of a few ka. Here we present the first Nd isotope record for seawater using sedimentary foraminifera cleaned using standard oxidative-reductive techniques. The data, along with Mn/Ca ratios, suggest that cleaned foraminifera provide a reliable record of Nd in seawater and hold out the prospect of using Nd in foraminifera to examine changes in seawater that accompany glacial-interglacial climatic cycles. The principal potential problem to be overcome with the use of forams as records of trace elements in ancient seawater is their diagenetic Fe-Mn coatings. These contain large amounts of Nd and other trace elements but can be cleaned off using highly reducing reagents. Mn(Ca ratios for the majority of the cleaned sedimentary foraminifera analysed here lie within the range (10-100 µmol/mol) that has yielded success in studies of transition elements in ... : N. pachyderma left and right coiling, >63 µm ... Dataset Neogloboquadrina pachyderma 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 |
topic |
DEPTH, sediment/rock AGE Sample code/label Mass Manganese/Calcium ratio Neodymium-143/Neodymium-144 ratio Neodymium-143/Neodymium-144 ratio, error ε-Neodymium ε-Neodymium, standard deviation Samarium Neodymium Neodymium/Calcium ratio Samarium-147/Neodymium-144 ratio Samarium-147/Neodymium-144, standard deviation Drilling/drill rig DSDP/ODP/IODP sample designation Inductively coupled plasma - mass spectrometry ICP-MS Mass spectrometer Finnigan MAT 262 Calculated Leg105 Joides Resolution Ocean Drilling Program ODP |
spellingShingle |
DEPTH, sediment/rock AGE Sample code/label Mass Manganese/Calcium ratio Neodymium-143/Neodymium-144 ratio Neodymium-143/Neodymium-144 ratio, error ε-Neodymium ε-Neodymium, standard deviation Samarium Neodymium Neodymium/Calcium ratio Samarium-147/Neodymium-144 ratio Samarium-147/Neodymium-144, standard deviation Drilling/drill rig DSDP/ODP/IODP sample designation Inductively coupled plasma - mass spectrometry ICP-MS Mass spectrometer Finnigan MAT 262 Calculated Leg105 Joides Resolution Ocean Drilling Program ODP Vance, Derek Burton, Kevin W Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ... |
topic_facet |
DEPTH, sediment/rock AGE Sample code/label Mass Manganese/Calcium ratio Neodymium-143/Neodymium-144 ratio Neodymium-143/Neodymium-144 ratio, error ε-Neodymium ε-Neodymium, standard deviation Samarium Neodymium Neodymium/Calcium ratio Samarium-147/Neodymium-144 ratio Samarium-147/Neodymium-144, standard deviation Drilling/drill rig DSDP/ODP/IODP sample designation Inductively coupled plasma - mass spectrometry ICP-MS Mass spectrometer Finnigan MAT 262 Calculated Leg105 Joides Resolution Ocean Drilling Program ODP |
description |
The neodymium (Nd) isotope composition of ancient seawater is a potentially useful tracer of changes in continental inputs and ocean circulation on timescales of a few ka. Here we present the first Nd isotope record for seawater using sedimentary foraminifera cleaned using standard oxidative-reductive techniques. The data, along with Mn/Ca ratios, suggest that cleaned foraminifera provide a reliable record of Nd in seawater and hold out the prospect of using Nd in foraminifera to examine changes in seawater that accompany glacial-interglacial climatic cycles. The principal potential problem to be overcome with the use of forams as records of trace elements in ancient seawater is their diagenetic Fe-Mn coatings. These contain large amounts of Nd and other trace elements but can be cleaned off using highly reducing reagents. Mn(Ca ratios for the majority of the cleaned sedimentary foraminifera analysed here lie within the range (10-100 µmol/mol) that has yielded success in studies of transition elements in ... : N. pachyderma left and right coiling, >63 µm ... |
format |
Dataset |
author |
Vance, Derek Burton, Kevin W |
author_facet |
Vance, Derek Burton, Kevin W |
author_sort |
Vance, Derek |
title |
Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ... |
title_short |
Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ... |
title_full |
Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ... |
title_fullStr |
Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ... |
title_full_unstemmed |
Sm-Nd isotope and Mn/Ca ratios for cleaned Neogloboquadrina pachyderma from ODP Hole 105-647A (Table 1) ... |
title_sort |
sm-nd isotope and mn/ca ratios for cleaned neogloboquadrina pachyderma from odp hole 105-647a (table 1) ... |
publisher |
PANGAEA |
publishDate |
1999 |
url |
https://dx.doi.org/10.1594/pangaea.711374 https://doi.pangaea.de/10.1594/PANGAEA.711374 |
genre |
Neogloboquadrina pachyderma |
genre_facet |
Neogloboquadrina pachyderma |
op_relation |
https://dx.doi.org/10.1016/s0012-821x(99)00244-7 |
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.71137410.1016/s0012-821x(99)00244-7 |
_version_ |
1766073096284930048 |