RT info:eu-repo/semantics/article
T1 Application of the Schmidt-hammer for relative-age dating of glacial and periglacial landforms in the Cantabrian Mountains (NW Spain)
A1 Santos-González, Javier
A1 González Gutiérrez, Rosa Blanca
A1 Gómez Villar, Amelia
A1 Melón-Nava, Adrián
A1 Peña Pérez, Sergio Alberto
A1 Pisabarro Pérez, Alfonso
A1 Redondo Vega, José María
A2 Geografia Fisica
K1 Geografía
K1 Schmidt Hammer
K1 Deglaciation
K1 Rock Glaciers
K1 Blockfield
K1 Scantabrian Mountains
K1 2505.03-1 Geografía de Los Recursos Naturales. Montaña
AB [EN] A Schmidt hammer was applied for relative-age dating to 48 sites in 5 different massifs of the Cantabrian Mountains (NW Spain). The sample included glacial (moraines, erratics, and polished bedrock) and periglacial (rock glaciers, blockfields, and talus slopes) sites from the last glaciation to the present in different geomorphological contexts. The rebound (R) values agree with the morphostratigraphic reconstructions, showing progressively lower values for older deposits. Six stages from the Last Glacial Maximum to the present are inferred. The results differ according to the lithology: i) the quartzites showed higher R-values and very low weathering rates; ii) the granodiorites showed larger differences in R-values reflecting clearly age differences; iii) sandstones appear to be unsuitable for Schmidt hammer measurements in some areas; however, quartzite sandstones provide better results. The rock glaciers formed in different periods after deglaciation (i.e. just after the Last Glacial Maximum, Bölling/Allerød, Holocene), indicate a paraglacial dependence rather than climate-driven landforms. The sampled blockfields stabilized after the (almost) total deglaciation of the cirques, but their origin and significance in this mountainous area remain poorly understood.
PB Elsevier
SN 0169-555X
LK https://hdl.handle.net/10612/19815
UL https://hdl.handle.net/10612/19815
NO Santos-González, J., González-Gutiérrez, R. B., Gómez-Villar, A., Peña-Pérez, S. A., Melón-Nava, A., Pisabarro, A., & Redondo-Vega, J. M. (2024). Application of the Schmidt-hammer for relative-age dating of glacial and periglacial landforms in the Cantabrian Mountains (NW Spain). Geomorphology, 109210. https://doi.org/10.1016/j.geomorph.2024.109210
DS BULERIA. Repositorio Institucional de la Universidad de León
RD 26-jun-2024