Is the north china plain east or west of the sichuan basin

The North China Plain is situated east from the Sichuan Basin. This wast plain is in the eastern part of the country. It is connected with the Sichuan Basin through the Yangtze River and the gorge that it has made, which represents a natural boundary between this two lowlands in China.

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.