supported by the National Natural Science Foundation of China(40773018);the National Basic Research Program of China(2006CB403504);This is contribution No.IS-1124 from GIGCAS
A new type of REE tetrad effect,a composite M-and W-type,was recognized in the K-feldsparthized and silicificated Shuiquangou alkaline syenites,Dongping,Hebei Province.Different analytical methods such as ICP-MS and i...
supported by the National Natural Science Foundation of China (Grant No. 40773025);the Ministry of Science and Technology of China (Grant No. 2006CB403504)
Chaotiehe gabbroic intrusion in the eastern part of Liaoning Province was dated by the zircon SHRIMP U-Pb technique. The results gave an emplacement age of 126±4 Ma, indicating that the intrusion thus formed during t...