Special Issue "Minerals of Alkaline Igneous Rocks: Chemical and Isotopic Features as Tracers of Magmatic Processes"
Deadline for manuscript submissions: closed (20 July 2022) | Viewed by 18004
Interests: geochemistry; radiogenic and stable isotopes geochemistry; igneous petrology; volcanology; tephrochronology and tephrostratigraphy; diffusion chronometry; human mobility and diet; environmental isotope geochemistry; archaeometry
Interests: geochemistry; isotopes geochemistry; igneous petrology; volcanology; tephrochronology and tephrostratigraphy; diffusion chronometry; human mobility and diet; archaeometry
The minerals of alkaline igneous rocks (MAIR), both plutonic and volcanic, e.g., olivine, clinopyroxene, feldspars, opaque oxides, black mica, and amphibole, have an extremely variable composition, being solid solutions among several pure components. A relevant property of MAIR is their attitude to provide estimates of P–T–fO2 conditions during magma crystallization, because changes in thermodynamic parameters induce element and isotope exchanges in minerals. Therefore, MAIR are precious archives of the crystallization history of host rocks, recording a variety of magmatic processes. Diffusion of major and trace elements within MAIR provides timescale estimates of several magmatic processes occurring from nucleation until growth of the very last crystal rim, providing important insights for volcanic hazard assessment. Moreover, combining radiogenic and stable isotopes and chemistry of MAIR opens an even wider window on the Earth’s interior. This Special Issue aims at gathering studies dealing with chemical and isotopic variations of MAIR from relevant areas of magmatism worldwide. We welcome contributions concerning mineral chemistry, geothermobarometry, and isotopes on MAIR, aimed at assessing P-T-fO2 conditions of magma cooling, unveiling pre-eruptive magmatic processes and their timescales. Methodological studies exploring new frontiers of such issues are strongly solicited too, offering significant contributions to better understand magmatic processes and precursor phenomena.
Prof. Dr. Massimo D’Antonio
Dr. Ilenia Arienzo
Manuscript Submission Information
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- Alkaline igneous rocks
- P–T–fO2 conditions
- Radiogenic and stable isotopes
- Diffusion chronometry
- Timescales of magmatic processes