Balestra, Barbara; Rose, Tim; Fehrenbacher, Jennifer; Knobelspiesse, Kirk; Huber, Brian T; Gooding, Tim; Paytan, Adina (2021): Mg/Ca ratio of planktonic Orbulina universa from Green Island, Taiwan (0-50 m depth) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.926486
Always quote citation above when using data! You can download the citation in several formats below.
Abstract:
Mg/Ca anlaysis of foraminiferal calcite shells. Foraminifera obtained from sediments (benthic, Uvigerina spp.; sediment from ODP Site 1015, California Margin) and from plankton tows (planktonic, Orbulina universa, plankton tow specimens were collected near Green Island, Taiwan in May 2019 using a 1 m plankton net Sea-Gear, 150 µm mesh, 0-50 m depth), were analyzed. Mg/Ca were obtained applying Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) and wavelength-dispersive X-Ray Spectroscopy by electron probe microanalyzer (EPMA). The goal is to assess the use of EPMA as an alternative technique for Mg/Ca analyses of foraminiferal calcite shells.
Supplement to:
Balestra, Barbara; Rose, Tim; Fehrenbacher, Jennifer; Knobelspiesse, Kirk; Huber, Brian T; Gooding, Tim; Paytan, Adina (accepted): In situ Mg/Ca measurements on foraminifera: comparison between Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) and Wavelength-Dispersive X-Ray Spectroscopy by electron probe microanalyzer (EPMA). Geochemistry, Geophysics, Geosystems
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 22.690000 * Longitude: 151.500000
Date/Time Start: 2019-05-14T00:00:00 * Date/Time End: 2019-05-14T00:00:00
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample ID | Sample ID | Balestra, Barbara | test# | ||
| 2 | Orbulina universa, Magnesium/Calcium ratio | O. universa Mg/Ca | mmol/mol | Balestra, Barbara | Electron Probe Microanalysis (EPMA) | |
| 3 | Orbulina universa, Magnesium/Calcium ratio | O. universa Mg/Ca | mmol/mol | Balestra, Barbara | Electron Probe Microanalysis (EPMA) | average |
| 4 | Orbulina universa, Magnesium/Calcium ratio | O. universa Mg/Ca | mmol/mol | Balestra, Barbara | LA-ICP-MS, Laser-ablation inductively coupled plasma mass spectrometer | |
| 5 | Orbulina universa, Magnesium/Calcium ratio | O. universa Mg/Ca | mmol/mol | Balestra, Barbara | LA-ICP-MS, Laser-ablation inductively coupled plasma mass spectrometer | average |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
124 data points
Data
| 1 Sample ID (test#) | 2 O. universa Mg/Ca [mmol/mol] (Electron Probe Microanalysis ...) | 3 O. universa Mg/Ca [mmol/mol] (average, Electron Probe Micro...) | 4 O. universa Mg/Ca [mmol/mol] (LA-ICP-MS, Laser-ablation ind...) | 5 O. universa Mg/Ca [mmol/mol] (average, LA-ICP-MS, Laser-abl...) |
|---|---|---|---|---|
| 1 | 5.09 | 6.24 | 9.73 | 9.15 |
| 1 | 8.36 | 9.83 | ||
| 1 | 3.80 | 8.72 | ||
| 1 | 5.67 | 8.78 | ||
| 1 | 6.42 | 9.32 | ||
| 1 | 8.13 | 8.52 | ||
| 2 | 7.83 | 7.53 | 7.79 | 7.77 |
| 2 | 8.23 | 8.36 | ||
| 2 | 8.59 | 9.15 | ||
| 2 | 7.51 | 8.58 | ||
| 2 | 5.48 | 4.97 | ||
| 3 | 8.01 | 7.05 | 7.70 | 8.26 |
| 3 | 6.67 | 7.87 | ||
| 3 | 6.26 | 8.64 | ||
| 3 | 7.92 | 7.84 | ||
| 3 | 6.73 | 7.30 | ||
| 3 | 5.98 | 8.59 | ||
| 3 | 7.75 | 9.88 | ||
| 4 | 5.77 | 4.84 | 12.35 | 9.13 |
| 4 | 4.70 | 8.14 | ||
| 4 | 3.62 | 10.10 | ||
| 4 | 3.46 | 7.97 | ||
| 4 | 6.67 | 6.65 | ||
| 4 | 4.81 | 9.54 | ||
| 5 | 10.95 | 13.37 | 12.64 | 12.89 |
| 5 | 7.64 | 11.85 | ||
| 5 | 15.20 | 13.48 | ||
| 5 | 14.74 | 14.11 | ||
| 5 | 10.95 | 12.71 | ||
| 5 | 7.64 | 12.50 | ||
| 5 | 16.44 | 11.71 | ||
| 5 | 15.20 | 13.12 | ||
| 5 | 14.74 | 16.26 | ||
| 5 | 24.00 | 13.87 | ||
| 5 | 8.09 | 13.44 | ||
| 5 | 24.00 | 12.19 | ||
| 5 | 10.00 | 11.66 | ||
| 5 | 7.65 | 10.89 |