Petrogenesis and Tectonic Significance of Carboniferous Granites on the North Side of the Solonker Suture, Central South Mongolia

Abstract

The Central Asian Orogenic Belt (CAOB) is one of the largest and most complex accretionary orogenic belts on Earth. The belt is one of the most important sites of Phanerozoic continental growth, and it developed between the Siberian Craton to the north and the Tarim-North China cratons to the south (Fig. 1a;

From magmatic arc to a post-accretionary setting: Late Palaeozoic granitoid plutons in the northwestern Trans-Altai Zone, Mongolia

“…There is a dearth of age data on granitoids from the Gobi Tien Shan and South Gobi. Late Palaeozoic continental arc granitoids dominate in Gobi Tien Shan (310-290 Ma;Hanžl et al 2008;Yarmolyuk et al 2008;Kröner et al 2010;Economos et al 2012) while those of Late Carboniferous to Early Permian active continental margin and Middle Permian post-collisional extensional setting are known from the South Gobi (Guy et al 2014a;Zhang et al 2021).…”

“…North of the Trans-Altai Zone, contemporaneous A-type granites (c. 285 Ma), associated with volcanic rocks, were also described from an E-W trending belt in the Lake Zone known as the Gobi Altai Rift (Chernov Lake Zone 2021), Yang et al (2022); Gobi Tien Shan and South Gobi - Kozlovsky et al (2005Kozlovsky et al ( , 2012, Hanžl et al (2008), Yarmolyuk et al (2008), Kröner et al (2010), Heumann et al (2012, Taylor et al (2013), Zhang et al (2021). Buriánek et al 2012;Kozlovsky et al 2015).…”