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Despite the paleoclimatic relevance of primary calcite to aragonite transitions in stalagmites, the relative role of fluid Mg/Ca ratio, supersaturation and CO3 2 concentration in controlling such transitions is still incompletely understood. Acc[...]texto impreso
Rossi Nieto, Carlos ; Villalaín, Juan José ; Lozano, Rafael P. ; Hellstrom, John C. | Elsevier | 2016-05The steeply-dipping-dolostone-hosted caves of the Sierra de Arnero (N Spain) contain low-gradient relict canyons with up to ten mapped levels of ferromanganese stromatolites and associated wall notches over a vertical range of 85 m, the highest [...]texto impreso
Baeza, Eleuterio ; Lozano, Rafael P. ; Rossi Nieto, Carlos | Union Internationale de Spéléologie | 2018-05Sampling stalagmites for paleoclimatic study can enter into conflict with preserving the beauty and integrity of caves. To minimize this impact, a variety of sampling strategies have been used by researches aware of cave-conservation issues. Bas[...]texto impreso
The Younger Dryas (YD) stadial represents the most abrupt climate change of the Earth's recent history. Thus, understanding its causes and different local responses is relevant for Quaternary paleoclimatology. We present a speleothem high-resolu[...]
