Composition and isotopic evolution of potassic volcanic rocks from the southeastern Gorny Altai

In the geodynamic evolution of the Gorny Altai, high-K magmatism was manifested repeatedly in several spatially limited areas. In the southeastern area of the region, the youngest rocks of this process are represented by the Early Jurassic association of LiF granites at the Kalguty rare metal deposi...

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Bibliographic Details
Published in:Doklady earth sciences 2007-10, Vol.416 (1), p.1090-1095
Main Authors: Vrublevsky, V. V., Krupchatnikov, V. I., Gertner, I. F.
Format: Article
Language:English
Subjects:
Devonian
Isotopes
Jurassic
Ordovician
Paleozoic
Rocks
Triassic
Volcanic rocks
Volcanoes
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Summary:In the geodynamic evolution of the Gorny Altai, high-K magmatism was manifested repeatedly in several spatially limited areas. In the southeastern area of the region, the youngest rocks of this process are represented by the Early Jurassic association of LiF granites at the Kalguty rare metal deposit [1] and the Triassic mica lamprophyres (minettes) of the Chuya Complex [2, 3] comparable in age with traps of the Siberian Craton [4]. The Middle Ordovician Edelveis Complex of K-alkaline basic rocks and carbonatites [5] and the Devonian Aksai trachyandesitedaciterhyolite complex studied by the authors of this communication were formed in the Paleozoic.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X07070240