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On fossil remains of Early Pleistocene tapir (Perissodactyla, Mammalia) from Fanchang, anhui

Chinese Science Bulletin 2002年第7期47卷 586-590页

作者： Tong Haowen Liu Jinyi Han Ligang Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences100044BeijingChina anhui.Institute of Archaeology and Relics 230061HefeiChina

The materials of Tapirus from Renzidong, Fanchang, anhui.Province, are the best ones among the early most Pleistocene findings in China up to now, not only in richness, but also in completeness. The fossils contain complete tooth rows of both the upper and the lower, as well as most parts of the postcranial skeletons. These materials are very helpful in understanding the evolutionary level of this kind of animal. In morphology, the materials from Fanchang appear to be very similar to Tapirus sanyuanensis, and can be placed within this species. The materials from Fanchang provided sound evidence to distinguish the Early Pleistocene tapirs and the living form Tapirus indicus, As to the geological distribution, it can be tentatively concluded that Tapirus sanyuanensis and Tapirus sinensis only appeared in Early Pleistocene, Megatapirus appeared after Early Pleistocene, and lasted until Holocene. The Early Pleistocene tapirs of South China resemble Megatapirus more closely than Tapirus indicus.

关键词： Tapiridae Mammalia Early Pleistocene Fanchang anhui.

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HEFEI BASIN IN EARLY CRETACEOUS-CHARACTERIZATION AND ANALYSIS OF PETROLEUM POTENTIAL

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Geotectonica et Metallogenia 2003年第Z1期 130-144页

作者： YI Wanxia, ZHAO Zongju, LI Xuetian, SHEN Jinlong and ZHOU Jingao (Hangzhou Institute of Petroleum Geology, Petrochina, Hangzhou, ZJ310023, China Shengli Oil Field Branch Company, Dongying, SD257015, China)

Comprehensive analyses were made based on seismic prospecting data, electrical prospecting data and basin simulation data as well as regional geological data and thorough discussions were conducted about the complicated structures, features and evolution of Hefei Basin in Early Cretaceous in this study, and it was derived that that Hefei Basin was a composite basin formed during the transformation of the stress field from compressive toward tensile in Early Cretaceous. In other words, this basin was a foreland basin of gliding-thrust type, which is mainly controlled by the Dabie orogenic belt in the south side in the early to middle period of Early Cretaceous, while being a strike-slip basin of pull-apart type, which is mainly controlled by the activity of Tanlu fracture in the east side in the middle to late period of Early Cretaceous. Moreover, the potential Lower Cretaceous oil and gas system in the pull-apart basin and the vista for its prospecting were explored in this study. Tectonism of the Tanlu

关键词： Early Cretaceous Hefei Basin Dabie orogenic belt Tanlu fault analysis of oil and gas potential anhui.

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HEFEI BASIN IN EARLY CRETACEOUS-CHARACTERIZATION AND ANALYSIS OF PETROLEUM POTENTIAL

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Geotectonica et Metallogenia 2003年第1期27卷 130-144页

作者： YIWanxia ZHAOZongju LIXuetian SHENJinlong ZHOUJingao HangzhouInstituteofPetroleumGeology PetrochinaHangzhouZJ310023China ShengliOilFieldBranchCompany DongyingSD257015China

关键词： Early Cretaceous Hefei Basin Dabie orogenic belt Tanlu fault analysis of oil and gas potential anhui.

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