Indosinian tectonics and mineral systems in China: an introduction.

An introduction is presented in which the editors discuss various reports within the issue on topics including palaeomagnetic data and geological evidence related to sedimentation, magmatism, and mineral systems in the Qinling Orogen, China, the age of granitic dykes in the Yangshan gold field, and the Huachanggou gold (Au) deposit in Shaanxi Province.