Figure 1

(a) Simplified geological map of the Central Asian Orogenic Belt. The distributions of the ca. 1.4 Ga magmatic rocks are displayed by red stars (Data sources: refs7,10,11,12,13,14,15,16). The major microcontinents in the Central Asian Orogenic Belt are also indicated, including, from west to east, the Kazakhstan, Yili, Central Tianshan, Beishan, Tuva-Mongolia and NE China microcontinental collages. (b) Simplified geological map of the Alatage area, showing the distribution and outline of Mesoproterozoic igneous rocks in this area. This figure was generated by Z.Y.H. using CorelDRAW 2017 (https://www.coreldraw.com/en/pages/free-download/).