Special Issue "Geochemistry, Petrogenesis, and Tectonic Setting of the Mesozoic Magmatism"
Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 1323
Interests: geochemistry; igneous petrology
Interests: igneous and metamorphic petrology; geodynamics
The Mesozoic (252 to 66 Ma) is a significant geological era marked by magmatic events related to different tectonic settings and distributed worldwide. Some representative examples are described as follows: (a) the main cause of the Permo-Triassic extinction event (~251 Ma) has been linked to an extraordinary carbon dioxide emission by the eruption of the Siberian Traps; (b) the supercontinent Pangea break up occurred through various rift events as the initial step of the Middle Triassic central Atlantic opening (~230 Ma) or the Early-Middle Jurassic Tethys Ocean opening (~175 Ma), (c) rifting along the line of the proto-South Atlantic was accompanied by voluminous tholeiitic flood basalt volcanism in Brazil and Southern Africa (120–130 Ma); (d) during Middle Jurassic to Late Cretaceous, a strongly convergent Cordilleran orogenic belt was developed along the North America western margin. A distinctive feature was the emplacement of batholith-like igneous bodies, accompanied by occasional volcaniclastic deposits; (e) magmatic-arc systems, related to the Nazca plate subduction, were developed along the South America western margin since the Jurassic and during Cretaceous times; (f) the end of the Cretaceous period was marked by magmatic activity throughout the Earth, for example, the Deccan traps (~66.2 Ma) constituted by extensive basaltic plateaus. Several mineralogical, geochemical and isotopic traditional tools, as well as quantitative procedures, have been used to reconstruct the petrogenetic history of the igneous rocks. Thus, petrological studies on magmatism provide valuable information on the conditions of their origin, evolution, tectonic setting, and age, contributing to our understanding of the global geotectonic development and its implications in paleogeography, ore deposits, terrestrial climate, and biota diversity.
This Special Issue aims to collect in single volume information provided by studies on Mesozoic magmatism. Contributions based on works on case studies related to different tectonic settings, as well as on petrologic models using information generated by mathematical or statistical approaches (for example: spatial distribution analysis, intensive parameter evaluation, magmatic process modeling, etc.) are warmly welcome.
Prof. Dr. Fernando Velasco-Tapia
Prof. Dr. Juan Alonso Ramírez Fernández
Prof. Dr. Uwe Jenchen
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- volcanic rocks
- plutonic rocks