Results 21 to 30 of about 14,845 (156)
Caracterización mineralógica, microestructural y geoquímica de secuencias lacustres Miocenas con sepiolita en la zona de Barajas, Madrid [PDF]
, 2013 Tesis doctoral inédita leída en la Universidad Autónoma de Madrid. Facultad de Ciencias. Departamento de Química Agrícola, Geología y Geoquímica.
Ruiz de León Romero, David
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El análisis químico de materiales geológicos
Educación Química, 2018 Se presenta una breve discusión sobre las técnicas y el esquema general del análisis químico aplicado en geoquímica de rocas. Además, se incluyen ejemplos sobre la aplicación de Muestras de Referencia Geoquímica en la calibración de nuevas técnicas y en ...
Fernando Velasco Tapia +1 more
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Materiales de Construccion, 1998 A review of some relevant papers about the cutting of ornamental stones with diamond tools is presented here with the aim of being useful to the Natural Stone industries. Due to the length of this paper, it has been divided in two parts: in the first one,
L. M. Suárez del Río +3 more
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Reactivity of laser-cleaned stones to a SO2 ageing test
Materiales de Construccion, 2004 In order to study the reaction or susceptibility of Nd:YAG laser cleaned stones to polluted atmospheres, several types of stone, both cemented (limestone) and crystalline (marble, granite), were exposed to an atmosphere having simulated SO2 pollution ...
F.J. Alonso +3 more
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Boletín Geológico, 2021 The Servicio Geológico Colombiano has made available several airborne magnetometry and gamma-ray spectrometry datasets. The information was acquired in 15 blocks that cover approximately 520,000 square kilometers of Colombian territory, representing ...
Ismael Enrique Moyano Nieto +10 more
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GeogacetaLa erupción volcánica de 1712, de El Charco, es una de las peor conocidas de las 8 erupciones históricas de la isla de La Palma. Fue un evento principalmente estromboliano, con fases hidromagmáticas, durante el cual se abrieron múltiples bocas a lo ...
Nicolás Chicharro +3 more
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Materiales de Construccion, 1998 This paper follows another one published in the preceding number of this same journal, that reviewed some scientific papers on the influence of the factors of the cutting equipments (machinery, cutting characteristics, disks, etc) on the efficiency of ...
A. Rodríguez-Rey +3 more
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Delineation of Flow Components in a Tropical Region With Carbonate Rocks of Southeastern Mexico
Hydrological Processes, Volume 40, Issue 9, September 2026.Hydrochemistry and statistical methods help to delimit the flow components in carbonate rocks with marine intrusion. ABSTRACT This study analyses groundwater flow systems in a tropical karst aquifer of the Yucatán Peninsula, Mexico, where population growth and tourism are concerns due to increasing urbanisation.
Castro‐Zarate Martha Edith +9 more
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Multi‐Element Soil‐Geochemistry Dataset, La Negra Formation, Chile
Geoscience Data Journal, Volume 13, Issue 3, July 2026.We release a single‐protocol, fine‐earth (< 2 mm) soil‐geochemistry dataset of 101 soils, 15 field duplicates and 7 outcrop rock pulps, collected on two parallel north–south transects spanning six sectors of the La Negra Formation (Atacama Desert, Chile); 62 aqua‐regia‐extractable analytes by ICP‐MS, with six trace metals cross‐checked by AAS ...
Elizabeth Lam‐Esquenazi +8 more
wiley +1 more source
Paleosuelos de sepiolita en el neógeno de la cuenca de Madrid
Estudios Geologicos, 1989 El análisis de la composición mineral de materiales arcillosos con sepiolita, pone de manifiesto variaciones significativas en el contenido de este mineral, con respecto a esmectitas e illitas, minerales terrígenos (cuarzo y feldespato) y carbonatos ...
S. Leguey, M. Pozo, J. A. Medina
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