Ampuero Grandez, Angela; Stríkis, Nicolas M; Meckler, Anna Nele; Krüger, Yves; Vuille, Mathias; Vonhof, Hubert B; Pasqualetto, Leonardo; Mayta, Victor; M Medina, N Melissa; Utida, Giselle; Zhang, Haiwei; Cheng, Hai; Edwards, R Lawrence; Travassos, Luiz; Piacsek, Patricia; Akabane, Thomas K; Cruz, Francisco William (2026): Stable isotope records of stalagmite the Rei do Mato stalagmite REI 7-2 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.995230
Always quote citation above when using data! You can download the citation in several formats below.
Published: 2026-06-05 • DOI registered: 2026-06-05
Abstract:
This dataset presents a cave paleotemperature reconstruction over the last glacial termination from stalagmite REI 7-2 from Rei do Mato Cave in Minas Gerais State, central-eastern South America (19.50°S, 44.28°W, 800 masl).
Sample aliquots of 100 to 200 μg were prepared with a microsampler (Sherline, model 5400) with a sampling resolution of 0.4 mm. Analyses were performed on a Thermo Finnigan Delta Plus Advantage IRMS fitted with a Finnigan Gas-Bench II automatic sample preparation system at the Stable Isotope Laboratory at the Institute of Geoscience of the University of São Paulo (Brazil). Isotope values are reported as δ13Cc and δ18Oc in ‰ relative to VPDB, with standard reproducibility (1σ) better than 0.1 ‰ in both cases. The final isotope profile after the cleanup of erroneous values comprises 933 data points for δ18Oc and 933 for δ13Cc.
Keyword(s):
Supplement to:
Ampuero, Angela; Stríkis, Nicolas M; Meckler, Anna Nele; Krüger, Yves; Vuille, Mathias; Vonhof, Hubert B; Pasqualetto, Leonardo; Mayta, Víctor C; M Medina, N Melissa; Utida, Giselle; Zhang, Haiwei; Cheng, Hai; Edwards, R Lawrence; Travassos, L E P; Piacsek, Patricia; Akabane, Thomas K; Cruz, Francisco William (2026): Rapid warming in South America during the last deglaciation. Nature Communications, https://doi.org/10.1038/s41467-026-74093-x
References:
Cheng, Hai; Edwards, R Lawrence; Shen, Chuan-Chou; Polyak, Victor J; Asmerom, Yemane; Woodhead, Jon D; Hellstrom, John C; Wang, Yongjin; Kong, Xinggong; Spötl, Christoph; Wang, Xianfeng; Alexander, E Calvin (2013): Improvements in 230Th dating, 230Th and 234U half-life values, and U–Th isotopic measurements by multi-collector inductively coupled plasma mass spectrometry. Earth and Planetary Science Letters, 371-372, 82-91, https://doi.org/10.1016/j.epsl.2013.04.006
Edwards, R Lawrence; Chen, J H; Wasserburg, Gerald J (1987): 238U-234U-230Th-232Th systematics and the precise measurement of time over the past 500,000 years. Earth and Planetary Science Letters, 81(2-3), 175-192, https://doi.org/10.1016/0012-821X(87)90154-3
Krüger, Yves; Marti, Dominik; Staub, Rita Hidalgo; Fleitmann, Dominik; Frenz, Martin (2011): Liquid–vapour homogenisation of fluid inclusions in stalagmites: Evaluation of a new thermometer for palaeoclimate research. Chemical Geology, 289(1-2), 39-47, https://doi.org/10.1016/j.chemgeo.2011.07.009
Krüger, Yves; Pasqualetto, Leonardo; Fernandez, Alvaro; Cobb, Kim M; Meckler, Anna Nele (2025): Tropical temperature evolution across two glacial cycles derived from speleothem fluid inclusion microthermometry. Climate of the Past, 21(9), 1553-1584, https://doi.org/10.5194/cp-21-1553-2025
Richards, David A (2003): Uranium-series Chronology and Environmental Applications of Speleothems. Reviews in Mineralogy & Geochemistry, 52(1), 407-460, https://doi.org/10.2113/0520407
Scholz, Denis; Hoffmann, Dirk L (2011): StalAge – An algorithm designed for construction of speleothem age models. Quaternary Geochronology, 6(3-4), 369-382, https://doi.org/10.1016/j.quageo.2011.02.002
Funding:
European Research Council (ERC), grant/award no. 101001957: Fluid Inclusion Microthermometry in Speleothems
Coverage:
Latitude: -19.500000 * Longitude: -44.280000
Date/Time Start: 2018-04-12T19:27:15 * Date/Time End: 2023-05-09T09:36:55
Minimum DISTANCE: 0.00 cm * Maximum DISTANCE: 38.04 cm
Event(s):
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
6584 data points
Download Data
View dataset as HTML (shows only first 2000 rows)