Listar por autor "Kaal, Joeri"
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Bacteria, guano and soot: source assessment of organic matter preserved in black laminae in stalagmites from caves of the Sierra de Atapuerca (N Spain)
Kaal, Joeri; Martínez-Pillado, Virginia; Martínez Cortizas, Antonio; Sanjurjo-Sánchez, Jorge; Aranburu, Arantza; Arsuaga, Juan Luis; Iriarte, Eneko (Union Internationale de Spéléologie, 2021-04-14)[Abstract] Speleothems are a recognized source of paleoclimatic information, but their value as a source of signals from human activities in caves with an archaeological record has rarely been explored. Previous studies ... -
On the Genesis of Aluminum-Rich Speleothems in a Granite Cave of NW Spain
Sanjurjo-Sánchez, Jorge; Arce-Chamorro, Carlos; Vidal Romaní, Juan Ramón; Vaqueiro-Rodríguez, Marcos; Barrientos, Víctor; Kaal, Joeri (Union Internationale de Spéléologie, 2021-02-22)[Abstract] Granite massifs often contain caves, with dimensions ranging from a few meters up to 1,000 m, also referred to as pseudokarst. The speleothems in such caves are mostly composed of either Si-rich (commonly opal-A) ...