Relative and absolute abundance records of three IRD particle groups and six major IRD lithologies of sediment core GeoB18530-1

• Main Authors: von Dobeneck, Tilo, Bukar, Shettima
• Format: Dataset
• Language: English
• Published: PANGAEA
• Subjects: 509-1; ArcTrain; Counting >1000 µm fraction; DEPTH; sediment/rock; GC; GeoB18530-1; Grand Banks Margin; Gravity corer; Heinrich event; Heinrich events; Ice-Rafted Detritus; Ice rafted detritus; Group; Hematite-coated quartz; Muscovite-Biotite Granite; Ooid-bearing Dolomite; Shale; Shocked Quartz; Sucrosic Dolomite; Maria S. Merian; MSM39; Petrology; Processes and impacts of climate change in the North Atlantic Ocean and the Canadian Arctic; SE Grand Banks Slope; Climate change; North Atlantic
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.971288

As detailed in Bukar et al. (2024), the 22 classifiable IRD lithologies can be group according to their preferred affiliation to Heinrich Layers (HL) and Interlayers (IL). Group 1 has higher relative abundance during HLs, Group 3 has a higher percentage during ILs, while Group 2 is similarly high represented in HLs and ILs. This data set contains relative and absolute IRD count records of Groups 1-3 and the six major IRD lithologies (Shale, Sucrosic Dolomite, Shocked Quartz, Hematite-coated Quartz, Muscovite-Biotite Granite, Ooid-bearing Dolomite). All here presented count records were smoothed by a weighed 5-point (factors 1-2-5-2-1) running mean to reduce stochastic high-frequency noise related to the relative small individual count numbers.