ON THE AGE OF THE TAIYUAN SERIES OF NORTH CHINA.

Regarding the age of the marine beds in the lower part of the coalbearing series of North China, palaeontologists differ widely in opinion. It has been assigned to various horizons ranging from Viseen up to Upper Carboniferous by former investigators, such as Girty, Loczy, Frech,     

A STUDY OF THE SILURIAN SECTION AT LO JO PING, I CHANG DISTRICT, W. HUPEH

Through the studies of Richthofen in Szechuan and Kiangsu, Deprat and Munsuy in Eastern Yunnan, and Brown & Read in Western Yunnan, the Silurian rock of South China has been known to be of wide occurrence. The classic region, however, is found in the district of Kiao Tchang Pa     

THE MESOZOIC STRATIGRAPHY OF THE YANGTZE GORGES.

The geology of the Yangtze Gorges has been studied by many eminent geologists, among whom Pumpelly, Abendanon, Willis, Blackwelder and Noda are specially to be mentioned. These studies made known the     

鄂尔多斯盆地南部岐山地区上奥陶统平凉组深水沉积特征及古地理分析

岐山地区上奥陶统平凉组是一套颜色较深的泥岩、粉砂岩、泥质灰岩,夹有薄层斑脱岩的沉积岩系,与上覆和下伏地层在岩石类型、沉积环境和形成的构造背景方面都有明显的差别。研究平凉组的沉积特征,分析其形成环境和构造背景,对于揭示鄂尔多斯盆地晚奥陶世的古地理、古气候、古构造都具有重要的理论意义。通过剖面测制和镜下鉴定,对平凉组的地层学、岩石学和沉积相进行了精细研究。结果表明,平凉组按照岩石组合学特征可以分为3个旋回。第一旋回以泥岩和砂岩为主,灰岩相对较少,沉积作用以浊流沉积和砂质等深流、泥质等深流沉积为主;第二旋回泥岩和灰岩所占比例大致相等,沉积作用为泥质等深流和灰质等深流沉积;第三旋回以砂泥岩为主,少量灰岩,属于砂质等深流为主,少量灰质等深流,浊流沉积不发育。平凉组沉积作用及沉积特征表明,晚奥陶世,华北陆块南缘发生大规模裂陷,结束陆表海沉积,盆地的南部边缘形成大陆斜坡。     

宁波市海曙区“三步走”全力做好当前维稳工作

区）平安信息员、治安队员及党员干部的作用，进一步延伸信息触角，根据不遗漏一个案件、不遗漏一个重点信访人的要求，对辖区内现有的涉土信访突出问题进行全面排摸，逐一梳理，对信访人做到事态明、动向清，特别是对赴省进京访、群体性事件方面的情况进行密切关注，高度重视。二是事先化解控得稳。[第一段]     

GEOLOGICAL NOTES IN_4 SZECHUAN

After a period of four months' field work in South Shensi and North Szechuan, Mr. T. K. Huang and I at last arrived, at the end of June, Chengtu where we decided to pass our summer vacation. Shortly after the arrival, Mr. Huang, for some personal affairs, went home in his native