Although extensive lakes and eolian sands within andsurrounding the Hunshandake Sandy Land (HSL) aresensitive to paleoenvironmental variations in arid andsemi-ari
<正>Objective At present,there is controversy regarding the existence of marine-terrestrial transitional facies that can act as a source of shale gas.This detai
The Tongyu copper deposit, located in the western part of the North Qinling Orogen, China, is one of several volcanic-hosted massive sulphide(VHMS) deposits wit