The beryl crystal from Pingwu County,Sichuan Province that occurred on the low saturation,alkaline and pneumatogenic—thermal conditions,is characterized by the flat tabular shape.
The shallow polyhalite potash deposit in Sichuan are distributed in the north plunge top of Huayingshan anticline where is anhydrock of earlier Mesozoic Triassic period.
Decomposition of mixed foliar litters from the four typical plantitions in upper reaches the of the Minjiang River was studied by using the litterbag method.