J. Majzlan, M. Števko, J. Plášil, J. Sejkora, E. Dachs
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引用次数: 1
Abstract
Secondary minerals, especially phosphates and arsenates of copper and zinc, form a group of phases with astonishing variability in crystal structures and chemical composition. Some of these minerals are more common than others and one has to ask whether the abundance is linked to their thermodynamic stability or rather to geochemical constraints. In this work, we used calorimetric techniques to determine the thermodynamic properties of synthetic olivenite [Cu 2 (AsO 4 )(OH)], zincolivenite [Cu 0.95 Zn 1.05 (AsO 4 )(OH)], adamite [Zn 2 (AsO 4 )(OH)], ludjibaite [Cu 5 (PO 4 ) 2 (OH) 4 ], natural strashimirite [(Cu 7.75 Zn 0.09 ) 7.84 (AsO 4 ) 3.89 (SO 4 ) 0.11 (OH) 3.79 ·5H 2 O], and a slavkovite sample dehydrated
期刊介绍：
The Journal of Geosciences is an international peer-reviewed journal published by the Czech Geological Society with support from the Czech Geological Survey. It accepts high-quality original research or review papers dealing with all aspects of the nature and origin of igneous and metamorphic rocks. The Journal focuses, mainly but not exclusively, on:
-Process-oriented regional studies of igneous and metamorphic complexes-
Research in structural geology and tectonics-
Igneous and metamorphic petrology-
Mineral chemistry and mineralogy-
Major- and trace-element geochemistry, isotope geochemistry-
Dating igneous activity and metamorphic events-
Experimental petrology and mineralogy-
Theoretical models of igneous and metamorphic processes-
Mineralizing processes and mineral deposits.
All the papers are written in English, even though they may be accompanied by an additional Czech abstract. Each contribution is a subject to peer review by at least two independent reviewers, typically at least one from abroad. The Journal appears 2 to 4 times a year. Formally it is divided in annual volumes, each of them including 4 issues.
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