A global-scale glaciation occurred at about 600 Ma ago. As a result,the Earth became the 'Snowball Earth'. The glaciation came to the end abruptly when
We have investigated the distributions of alkylcarbazoles in a series of crude oils with different biodegradation extents, in combination with biomarker paramet
The Duolanasayi gold deposit, 60 km NW of Habahe County in Xinjiang, is a medi-um-large scale gold deposit controlled by the coupled ore-forming processes invol
Gold enrichment mechanism of ore-forming fluid is the essence of gold metallization.This paper summarizes the distinguishing symbols of mantle fluid and effect