The basic types of current search engines which can help users to perfume laborious information-gathering tasks on Internet is proposed. Basically, the search e
The slopes in field conditions are always irregular, but the supposed uniform slopes are used in most erosion models. Some studies used several uniform slopes t
The Gangdese porphyry copper belt consists of one large and five middle-small deposits in addition to dozens of ore-bearing porphyry bodies. The belt trends 350
The Junggar basin is located in the north part of Xinjiang of China. It is part of the Kazakstan plate,surrounded by the Paleozoic folded mountains: the Halaart
"Three-component" method consists of three close-connected aspects: geological anomaly, diversity of mineralization and mineral deposit spectrum. All these thre
The fish swimming trail fossils are rare and, therefore, precious. The specimen described abroad are generally smaller or more poorly preserved. The specimens u
Based on a detailed survey of the distribution and organic geochemical characteristics of potential source rocks in the South Slope of the Niuzhuang Sag, Bohai
Tibet Plateau in mountain system is becoming one of the focuses of global technique research, because its crust is marvelous thick, which is twice of the normal
The δ13C values of Lower Cretaceous Aptian-Albian platform-type carbonates in the Cuoqin Basin, North Tibet vary between 2.48‰ and 5.46‰. The mean value is 3