The present study confirms the stratigraphical position of microtektite layer being clearly located below the Brunhes/Matuyama (B/M) boundary. Based on the sedimentation rate derived from the stable isotopic and magne...
Dongling Mountain is the highest one of the Beijing West Mountains. There is a layer of subalpine meadow soil about 0.50 m thick at the top of the mountain, of which the basement rock is the Jurassic andesite. A secti...