North Qiangtang Block is located at the northwestern part of China’s Tibet Autonomous Region, between the Longmuco-Shuanghu and Xijinwulan-Jinshajiang suture zones. Among these regions, the Paleozoic strata in Ngari Prefecture of North Tibet are widespread and relatively complete.
Click here for original story, Researchers discover Middle Devonian reefs in North Qiangtang Block
Source: Phys.org