Source, evolution and tectonic setting of Mesozoic volcanic rocks in Luzong basin, Anhui Province
庐枞盆地中生代火山岩的起源、演化及形成背景

The Luzong Mesozoic volcanic basin is located in the Lower Yangtze River fault-depression zone,where is the north margin of the Yangtze Block.The volcanic rocks occur widely in Luzong basin,and are mainly a set of alkali-rich shoshonitic rocks, which include trachybasalt-basaltic trachyandesite-trachyte.This sequence was generally subdivided into four eruption and accumulate Formations,i.e.,Longmenyuan Formation,Zbuanqiao Formation,Shuangmiao Formation and Fushan Formation.The ages of volcanism in Luzong ba...