PANGAEA_992644 Main minerals composition from sediment core MD99-2203 off Cape Hatteras, SW North Atlantic Rossignol, Linda; Salgueiro, Emilia Main minerals composition from sediment core MD99-2203 off Cape Hatteras, SW North Atlantic 2026-07-09 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.992644 Investigator Linda Rossignol linda.rossignol@u-bordeaux.fr Earth Science DEPTH, sediment/rock Depth, corrected AGE Mass Quartz Mica Aggregates Gypsum geoscientificInformation 408US Calypso Corer MD114 MD99-2203 planktic foraminifera quartz grains Sea surface temperature SW North Atlantic Age, 14C Binocular microscope, Olympus, SZH10 Marion Dufresne (1995) 1999-08-01 1999-08-01 Complete 34.973 34.973 -75.201 -75.201 14.0 m (DEPTH, sediment/rock) 38.0 m (DEPTH, sediment/rock) IMAGES International Marine Global Change Study unrestricted CC-BY-4.0: Creative Commons Attribution 4.0 International English PANGAEA Data Publisher for Earth & Environmental Science https://www.pangaea.de/ Data Center Contact Michael Diepenbroek info@pangaea.de

Leobener Str.

Bremen Bremen 28359 Germany online 1440 data points text/tab-separated-values Sanchez Goñi, Maria Fernanda; Rossignol, Linda; Londeix, Laurent; Extier, Thomas; Weitzel, Nils; Naughton, Filipa; López-Martínez, Constancia; Salgueiro, Emilia; Fourcade, Tiffanie; Grousset, Francis E (2026): Land–sea thermal decoupling and iceberg discharges in the western North Atlantic during Heinrich Stadials 5–3. Quaternary Science Reviews, 389, 110141, https://doi.org/10.1016/j.quascirev.2026.110141

The data presented derive from sediment core MD99-2203, collected in 1999 off Cape Hatteras as part of the IMAGES project. The 41-m-long sedimentary sequence was retrieved during leg MD114 by the R/V Marion Dufresne, equipped with a Giant Calypso corer. The primary objective was to document paleoceanographic and paleoclimatic changes at 35°N in the southwestern North Atlantic, at the boundary between subtropical and subpolar gyre influences, over the past 50,000 years. We present mineralogical data (quartz, mica, gypsum, and aggregates) to reconstruct ice dynamics , during the interval 26–50 ka, which includes Heinrich Stadials 3, 4, and 5. These datasets are directly compared with pollen data obtained from the same sample set. The analysis of the mineralogical composition was generally conducted at 10 cm intervals on the sand-size fraction (>150 µm). Approximately 300 mineral particles were counted per level using an Olympus SZH10 binocular microscope after splitting with an Otto microsplitter. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.992644"!

http://en.wikipedia.org/wiki/Kyr AGE https://doi.org/10.1016/j.quascirev.2026.110141 Land–sea thermal decoupling and iceberg discharges in the western North Atlantic during Heinrich Stadials 5–3 https://en.wikipedia.org/wiki/Marion_Dufresne_(1994) Marion Dufresne (1995) https://en.wikipedia.org/wiki/Mass Mass DIF 9.4 2026-07-09 2026-08-07