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Calcium isotope ratios of marine carbonates and sea water

B2FIND2026-03-19 收录

同位素地球化学

海洋环境重建

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https://b2find.eudat.eu/dataset/261524d6-efd9-5ad8-add3-8d00747e997e 数据链接链接失效反馈

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Significant variations in the isotopic composition of marine calcium have occurred over the last 80 million years. These variations reflect deviations in the balance between...

应用场景：

同位素地球化学

显微结构分析

These are ion microprobe analyses of oxygen isotope ratios, grey scale values from confocal laser fluorescence images, and distance perpendicular to banding for analyses that were shown to be regular

Figshare2016-04-25 更新40

(Table 1) Nd and Sr isotopic compositions and isotope dilution trace element ...

同位素地球化学

岩石定年

Isotope dilution concentration determinations are accurate to approx. 1% for Rb and Sr, and 0.5% for Sm and Nd. Total procedural blanks averaged apporx. 1 ng for Sr and 100 pg...

B2FIND10

Annotated record of the detailed examination of Mn deposits from DSDP Site 40, Leg 5 (Cores 5-40-1, 5-40-11)

深海锰结核沉积

海洋环境重建

Site 40 was located by the JOIDES Pacific Advisory Panel in the region between the Molokai and Clarion Fracture Zones with the objective of recovering a continuous sediment core for the paleontologic

PANGAEA1970-01-01 更新00

Element contents and isotope composition of sediments and basalts from DSDP Site 78-543

同位素地球化学

海洋地质学

Twenty-four piston core sediment samples and 13 sediments and 3 basalts from DSDP Leg 78 Site 543 were analyzed for Sr, Nd and Pb isotopic compositions. The results show sediment with highly radiogeni

DataONE2017-08-08 更新30

Protactinium, thorium and uranium activities and ratios in sediment cores MD0...

沉积物年代学

同位素地球化学

A Pa/Th value of 0.058 ± 0.014 was measured by Burckel et al. (2015) at 360 cm, that we discarded as an outlier with respect to the replicate measured at 360 cm and surrounding...

B2FIND00

Calcium isotope ratios of marine carbonates and sea water

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