Instrumental Neutron Activation Analysis (INAA) was done to determine the abundances of rare earth elements (REE) of 58 samples of Late Palaeozoic Carboniferous
The Horizon and Age of the Confuciusornis in Beipiao, Western LiaoningLi Peixian, Cheng Zhengwu (Institute of Geology, Chinese Academy of Geological Sciences, B
A preliminary organic geochemical study shows that the sulphide ores from the hydrothermal deposit of the Okinawa Trough are generally low in the total organic