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Mohamed Ismail Moustafa
One of the most extensively studied topics in dozens of studies is the alteration process of ilmenite, the formation of leucoxene, and the presence of some impurity oxides: SiO2 and Al2O3. The altered Egyptian black sand ilmenite grains of relatively low...
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Andrés Cardenas, Maria I. Dias, Catarina Diamantino, Edgar Carvalho, Dulce Russo and Rosa Marques
New insights about the geochemical behavior of actinides and lanthanides in an old uranium mine are provided for the first time in this work. Fifteen samples (water, soil, and sediments) were collected inside and outside the Quinta do Bispo old mine (Por...
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Dimitris C. Tsamatsoulis, Christos A. Korologos and Dimitris V. Tsiftsoglou
This study aims to approximate the optimum sulfate content of cement, applying maximization of compressive strength as a criterion for cement produced in industrial mills. The design includes tests on four types of cement containing up to three main comp...
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Fernando Guillermo Sardi,Márcia Elisa Boscato Gomes,Silvana Elizabeth Marangone
Pág. 150 - 161
The Reflejos de Mar Li-pegmatite, located in northwestern Argentina, is part of the Villismán pegmatite group, Ancasti District, Pampean Pegmatite Province. Four garnet crystals from the outermost part of the pegmatite were analyzed by major and minor el...
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Aline Grard and Jean-François Deliège
Adsorption and desorption processes occurring on suspended and bed sediments were studied in two datasets from western Europe watersheds (Meuse and Mosel). Copper and zinc dissolved and total concentrations, total suspended sediment concentrations, mass ...
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Minghua Ren, José Alfredo Rodríguez-Pineda and Philip Goodell
Arsenic is a naturally occurring trace element that causes many health effects when present in drinking water. Elevated arsenic concentrations in water are often attributed to nearby felsic volcanic sequences; however, the specific rock units to which th...
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Petros Petrounias, Panagiota P. Giannakopoulou, Aikaterini Rogkala, Alkiviadis Sideridis, Petros Koutsovitis, Paraskevi Lampropoulou, Nikolaos Koukouzas, Panagiotis Pomonis and Konstantin Hatzipanagiotou
This study focuses on the use of petrology as a useful tool in construction applications (i.e., concrete). More specifically, this study investigates how the petrogenetic characteristics of ultramafic rocks derived from ophiolite complexes (Veria?Naousa,...
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Olga Zubkova, Aleksey Alexeev, Arseniy Polyanskiy, Kirill Karapetyan, Olga Kononchuk and Markus Reinmöller
The solution of the sludge utilization problem and yield increase at processing plants have great importance today all over the world. Disasters associated with the tailings dams failures have madeus develop technologies of tailings sludge utilization as...
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Peter Möller, Peter Dulski and Marco De Lucia
Rare earths and yttrium (REY) distribution patterns of the hydrosphere reveal systematic correlations of Gd and Y anomalies besides the non-correlated redox-dependent Ce and Eu anomalies. Eu anomalies are inherited by dissolution of feldspars in igneous ...
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Viktoriya Nelubova, Valeria Strokova, Roman Fediuk, Mugahed Amran, Nikolai Vatin and Yuriy Vasilev
In this research, a phase formation in CaO?SiO2?Al2O3?H2O binding system under hydrothermal conditions was studied. The novelty of this article lies in the quantitative full-profile X-ray diffraction (XRD) analysis used to determine kinetics of mineral f...
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