Results 1 to 10 of about 46,013 (119)
Out-of-sequence skeletal growth causing oscillatory zoning in arc olivines [PDF]
Nature Communications, 2021 Arc olivines are commonly explained through a paradigm of core-to-rim sequential growth and oscillatory zoning is interpreted to represent magma mixing.
Pablo Salas +3 more
doaj +2 more sources
Microbiological exploration of the Cueva del Viento lava tube system in Tenerife, Canary Islands. [PDF]
Environ Microbiol RepCueva del Viento, located in the Canary Islands, Spain, is the world's sixth‐longest lava tube, formed 27,000 years ago. Despite its significant geological importance, the cave's geomicrobiology has yet to be explored. This study aims to uncover the composition of the bacterial community using culture‐dependent methods and metabarcoding data analysis ...
Gutierrez-Patricio S +7 more
europepmc +2 more sources
Quantification of modal mineralogy in molybdenite-bearing drill-core samples by laser-induced breakdown spectroscopy [PDF]
HeliyonQuantification of modal mineralogy in drill-core samples is crucial for understanding the geology and metal deportment in a mining operation. This study assesses conventional procedures to quantify modal mineralogy, that includes an initial drill-core ...
Jonnathan Álvarez +5 more
doaj +2 more sources
Insights from experiences comanaging woody invasive alien plants in Argentina
Ecological Solutions and Evidence, Volume 4, Issue 4, October–December 2023., 2023 The complexities of invasive alien species (IAS) management call for a close collaboration among stakeholders to comanage effective solutions. Based on a SWOT analysis, we identified personal motivations as the main force that helps to overcome barriers to to IAS comanagement in Argentina. We recommend the development of spaces to share experiences and
Priscila Ana Powell +13 more
wiley +1 more source
Cleaning of stone materials in the Cathedral de Valladolid (Spain)
Materiales de Construccion, 2000 Two types of black crusts showing gypsiferous and calcareous compositions are recognized on the front-walls of the Valladolid Cathedral. On the basis of several petrophysical parameters, in particular compacity, sorption and desorption kinematics of ...
R. Fort +2 more
doaj +1 more source
Materiales de Construccion, 2008 The resistance of dolomitic limestone to salt crystallization processes was studied on materials from Redueña and Torrelaguna in the province of Madrid, Spain.
R. Fort +4 more
doaj +1 more source
Environmental and climatic proxies for the Cañadón Asfalto and Neuquén basins (Patagonia, Argentina): review of middle to upper jurassic continental and near coastal sequences [PDF]
, 2015 In this review, we include several proxies (sedimentology, palynology, invertebrates) from the Cañadón Asfalto and Neuquén basins, to infer the environments and regional climatic context during the Middle to Late Jurassic of Patagonia.
Cabaleri, Nora Graciela +6 more
core +1 more source
Materiales de Construccion, 2004 The combination between petrological data and historical documentation sources is necessary to establish an accurate methodology for the location of the original quarries of the stony materials used in a determinate historical building.
M. Gómez-Heras, R. Fort González
doaj +1 more source
Conservation of the stone in Cibeles Fountain, Madrid , Spain
Materiales de Construccion, 2002 The water in Cibeles Fountain flows in a closed circuit and is replaced every 6 months. After this period of time, an increase in bicarbonate, sulfate, calcium and magnesium contents is registered in the water, as well as a slight increase in its acidity.
M. C. López de Azcona +2 more
doaj +1 more source
Estudios Geologicos, 1989 Los excelentes afloramientos de la parte superior del Buntsandstein (Triásico medio) en Molina de Aragón (Guadalajara), han permitido llevar a cabo un análisis sedimentológico detallado de las facies fluviales y de su arquitectura.
Y. Sánchez-Moya +3 more
doaj +1 more source