Mineral Formation in Pyrometamorphic Process

Dear Colleagues,

Pyrometamorphism is a common phenomenon in the Earth’s history and involves all stages of transformation of rocks (typically sediments) into high-temperature mineral associations (up to the melting stage) and their subsequent retrograde alteration under near-surface conditions. The pyrometamorphic process is very similar in both natural and anthropogenic environments.

Pyrometamorphic rocks include xenoliths of various compositions in mafic volcanic/plutonic rocks, wall rocks of mafic magma intrusion/extrusion, and sedimentary rocks that have been heated by the combustion of coal and other caustobiolith strata, flame burning in mud volcanoes, etc. Such high-temperature/low pressure transformation of sedimentary protoliths may lead to high mineral diversity, which strongly depends on the initial composition of the rocks, heating temperature, redox conditions, and other factors. For example, more than 200 minerals have been found in the unique Hatrurim Formation (Israel–Jordan), and some of them indicate very specific pyrometamorphic conditions.

This Special Issue invites contributions dealing with mineralogical and petrographic aspects in pyrometamorphic processes: the discovery of new minerals, the chemistry and geochemistry of minerals and rocks, the melting and formation of paralavas, the mineralogy of retrograde associations, fumarole mineralization in burned complexes, etc. Papers concerning the mineralogy of technogenic combustion (burned dumps of coal mines, catastrophic man-induced fires, industrial microspheres, burning of waste material, etc.) are also welcome.

The aim of this Special Issue is to collect research papers devoted to recent studies of the mineralogy and petrology of pyrometamorphic rocks.

Dr. Victor V. Sharygin
Dr. Ellina V. Sokol
Prof. Dr. Rodney Grapes
Guest Editors

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