At 21:45 hr(Beijing time) on Oct.31,1990 the Yanzhuang meteorite hite the ground at the Yanzhuang village,Wenyuan County,Guangdong Province,Several fragments,to
A study on the potential and kinetics of hydrocarborn(HC) generation of 30 source-rock samples from a certain depression has been made by means of ROCK-EVAL tec
Volcanic rocks in seamounts of the South China Sea consist mainly of alkali basalt, tholeiitic basalt, trachyandesitic pumice, dacite, etc.Inclusions in the min