supported by the National Natural Science Foundation of China(Grant No.40072061);National 305 Project(Grant No.2001BA609A-07-02);Program for New Century Excellent Talents in University(Grant No.NCET-04-0728);"973"Project(Grant No.2001 CB409807).
SHRIMP U-Pb zircon dating on the Xileketehalasu granodiorite porphyry and Kalasayi monodiorite porphyry that intrude middle Devonian Beitashan Formation at the north part of east Junggar region shows that they were fo...
This paper is supported by the National Natural Science Foundationof China (No .40072061) ;the Programfor New Century ExcellentTalents in University (No. NCET-04-0728) ;the Fund of the K-ey Subject on Mineral Prospecting and Exploration Ⅰin Xinjiang .
The mineralogical, petrological and geochemical studies on Keliyang (克里阳) potassic dykes have been carried out to understand their rock types, the petrogenesis and the nature of their mantle sources. They arc pot...
This work was supported by Hong Kong RGC (Grant Nos. HKU7115/00P and HKU7090/01P) ;the National Natural Science Foundation of China (Grant No. 40072061).
The global collisional orogenic events (e.g. Grenvil-lian or Pan-African event) have occurred for several times since 2.5 billion years (Ga) ago, which has led Earth scientists to speculate that continental landmasses...