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- Taconic orogeny(晚奥陶世)太康造山运动
- 浙江江山晚奥陶世浊积岩系特征及浙西浊积扇模式的探讨CHARACTERISTICS OF THE LATE ORDOVICIAN TURBIDITE SERIES IN JIANGSHAN,ZHEJIANG WITH DISCUSSION ON THE WEST ZHEJIANG TURBIDITE FAN MODEL
- 峡区晚奥陶世地球化学异常与奥陶系-志留系之交环境变迁LATE ORDOVICIAN CHEMICAL ANOMALY AND THE ENVIRONMENTAL CHANGES ACROSS THE ORDOVICIAN-SILURIAN BOUNDARY IN YANGTZE GORGES
- 中晚奥陶世Middle-Late Ordovician
- 陕西富平晚奥陶世放射虫化石The Late Ordovician Radiolaria from Fuping of Shaanxi province, China
- 晚奥陶世Upper Ordovician
- 邯邢地区中奥陶统蒸发岩特征及其对内生铁(硫)矿床的控制FEATURES OF THE MIDDLE ORDOVICIAN EVAPORITES AND ITS CONTROL OVER THE ENDOGENIC IRON(SULFUR)DEFOSITS IN HAN-XING DISTRICT,HEBEI
- 奥陶系富集Au;Enrichment of Au during the Ordovician period;
- 奥陶系油藏Ordovician reservoir
- 早奥陶世Lower Ordovician
- 下古生界包括寒武系和下、中奥陶统,主要由海相碳酸盐岩构成。The Lower Palaeozoic group mainly includes Cambrian, medial and lower Ordovician, which are marine carbonate in the district.
- 上奥陶统-下志留统Upper Ordovician-Lower Silurian
- 中奥陶世Middle Ordovician
- 上寒武统一下奥陶统Upper Cambrian-Lower Ordovician
- 上奥陶统一下志留统Upper Ordovician- Lower Silurian
- 鄂尔多斯奥陶纪古构造PALAEOTECTONICS OF ORDOVICIAN IN ORDOS
- 奥陶系石灰岩含水层钻孔boreholes in aquifer of Ordovician limestone
- 浙江龙游奥陶纪笔石地层ORDOVICIAN GRAPTOLITE BEDS OF LONGYOU, CHEKIANG
- 奥陶纪肿笔石类笔石的研究A Study of Ordovician Genus Oncograptus
- 阿尔金山地区奥陶纪头足类ORDOVICIAN CEPHALOPODS FROM MT. ALTUN AREA, N. W. CHINA