Publication Date:
2024-04-25
Description:
Four discrete samples were freeze-dried and powdered and pressed into disc-shaped pellets about 2 cm in diameter from nearby Core MD01-2407 on the Oki Ridge (37°04'N, 134°42'E, 932m water depth). The four samples have a similar matrix to the seven sediment sections scanned in this study. The four samples from Core MD01-2407 covered a range of sediment types (calcareous, siliceous, light-, and dark-colored; Kido et al., 2007) that span the dynamic range of at least Fe and Ca element cps scanned for this study. A set of four pellets was sent to four of the seven labs (1 ITRAX and 3 Avaatech) involved in the study to be scanned using the same instrument parameters they used on the sediment sections. Three labs used the same instrument and parameters used for the sediment section, but the fourth lab replaced the X-ray tube in between scanning the pellets and sediment sections. The major and trace element concentrations of the pellets were also analyzed by inductively coupled plasma (ICP)-optical emission spectrometry (OES) and ICP-mass spectrometry (MS) in the Analytical Geochemistry Facilities at Boston University, Boston, MA, USA. The ICP analyses had ~2% precision and a standard reference material analyzed as an unknown alongside the samples was accurate within precision.
Keywords:
Aluminium; Barium; Bromine; Calcium; Chlorine; Chromium; Copper; Excitation energy; Gallium; Giant piston corer; GPC; ICP-MS; IMAGES VII - WEPAMA; Inductively coupled plasma mass spectrometry; Inter-lab comparison; IODP; IODP Expedition 346; Iron; Lead; Manganese; marine sediment; Marion Dufresne (1995); MD012407; MD01-2407; MD122; Molybdenum; Nickel; Paleoceanography; Potassium; Rubidium; Sample comment; Sea of Japan; Sediment Geochemistry; Sediment type; Silicon; Strontium; Sulfur; Time in seconds; Titanium; Vanadium; X-ray fluorescence; X-ray fluorescence (XRF); XRF; XRF calibration; XRF scanning; Yttrium; Zinc; Zirconium
Type:
Dataset
Format:
text/tab-separated-values, 497 data points
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