نتایج جستجو برای: magmatism
تعداد نتایج: 1960 فیلتر نتایج به سال:
Processes that facilitate the transition between continental rifting and sea-floor spreading remain unclear. Variations in spatial distribution of extension magmatism through Afar into Red Sea are indicative temporal evolution process. We develop a time series Sentinel-1 interferometric synthetic aperture radar (InSAR) observations ground deformation covering whole rift zone from 2014 to 2019, ...
The formation of continental crust in the Mongolia-Transbaikalia region is researched to identify mechanisms interactions between and mantle development Neoarchean, Proterozoic Paleozoic magmatic sedimentary complexes study area. Using results his own studies conducted for many years other published data on this vast Central Asia, author have analysed compositions, ages conditions Karelian, Bai...
Fluorite mineralization associated with different types of magmatism is common in the Western Transbaikalia. This study deals Arshan, Yuzhnoe, and Ulan-Ude fluorite occurrences, which are most significant examples carbonatite-related region. The present paper focused on new geochemistry fluid inclusion data, aimed at revealing conditions formation, highlighting its genetic relationship magmatis...
Carboniferous magmatism in southwestern Iberia was continuously active for more than 60 m.y. during the development of Appalachian-Variscan belt North America, Africa and Western-Central Europe. This collisional orogen that records closure Rheic Ocean is essential to understanding late Paleozoic amalgamation Pangea supercontinent. However, oblique convergence between Laurussia Gondwana lasted f...
Carbonatites are rare, carbonate-rich magmatic rocks that make up a minute portion of the crust only, yet they are of great relevance for our understanding of crustal and mantle processes. Although they occur in all continents and from Archaean to present, the deeper plumbing system of carbonatite ring-complexes is usually poorly constrained. Here, we show that carbonatite ring-complexes can be...
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