浙西北和赣东北奥陶纪和志留纪地层=Ordovician and Silurian rocks of Northwestern Zhejiang and Northeastern Jiangxi provinces, SE China:英文

浙西北和赣东北奥陶纪和志留纪地层=Ordovician and Silurian rocks of Northwestern Zhejiang and Northeastern Jiangxi provinces, SE China:英文
作者:张元动 等(著)



  本书是关于浙西北和赣东北奥陶系和志留系地层的最新研究成果。该地区是我国奥陶系和志留系研究的重要经典地区,最早可以上溯到1871年,我国的第一个“金钉子”-奥陶系达瑞威尔阶也于1997年确立于此。迄今已经有世界10余个国家数百名专家到此考察研究。但是,长期以来没有一本系统全面概括该地区奥陶系和志留系研究的书,只有一些零散的论文。2007年正逢第10届国际奥陶系大会、第3届国际志留系大会和国际地质对比计划(IGCP,由联合国教科文组织和国际地质科学联合会共同发起)503项目的联合大会,确定唯一的一条会前野外考察路线即到该地区,本书应此要求而著。此外中国科学院的地层古生物学研究生长期以该地区为野外研究实习基地,本书也可作为他们的工具书。 本书对该地区的研究历史做了简要回顾,对该地区的奥陶系和志留系岩石地层和生物地层及地质历史演化进行了系统阐述和必要讨论,并加以总结,同时分地区对一些经典的研究剖面进行了详细的描述和讨论,展示了迄今最新的奥陶系和志留系地层的划分对比方案和若干重要地层的时代意见和形成环境背景。该书无论是对我国还是对国际奥陶系和志留系研究都有重要意义。本书是我国为数不多的地层研究英文专著之一,主要面对世界各国的地层和地质专家、学者、学生等。书中采用目前世界上最新的划分对比方案,含有约70幅各类照片和图表,方便阅读,信息准确丰富。 为准备出版这本专著,作者等在20余年的研究基础上,近4年来10余次赴浙江和江西考察,采集了一大批各门类化石(笔石动物、腕足动物、三叶虫、头足类、腹足类、双壳类和苔藓虫等)和岩石样品,拍摄了近万张数码照片,这些标本由中科院南古所的权威专家鉴定研究,提出名单和结论意见等,代表了我国相关研究的最高研究水平。英文文法由美国代顿大学Goldman教授修改、润饰多次,使之更为准确易懂。



  The border area of Jiangxi and Zhejiang provinces (JiangshanChangshanYushan, or“JCY area”for short), and the northwestern Zhejiang are classic regions for the study of the Ordovician and Silurian Systems in China. The pioneering geological work in the region dates back to 1871, when the famous German geologist and traveler F. F. Richthofen took an extraordinary field trip from Ningbo (a commercial center at that time) to Tonglu along the Fuchun River, and then to the Tianmu Mountains. along the Fenshui River, finally arriving in Wuhu (Anhui) (Richthofen,1912, p.667—696)(Fig. 1-1). One of his remarkable contributions to the geology of the region was a geologic profile of Tonglu County to the Tianmu Mountains., in which he identified various rocks of the Sinian and Palaeozoic age, as well as his associated diary on the geology and geography of the western Zhejiang Province.
  In 1915, the Japanese geologist S. Noda undertook a more detailed investigation of the stratigraphy and geology of northwest Zhejiang, along the Qiantang and Fuchun Rivers. Among his most noteworthy accomplishments on the geology of the area was the successful subdivision of the Sinian and Palaeozoic rocks into several distinct “Series”of defined ages, such as the“Yinchubu Limestone Series” of Early Palaeozoic.
  In 1924, Chu and his colleagues conducted a geological investigation in the western Zhejiang (Chu et al., 1924, 1930). At about the same time, Liu and Chao (1927) conducted a detailed study on the stratigraphy of the region, and successfully established the Early Palaeozoic lithological sequence of the region, which comprises the Taoshuiwu Formation, Yinchufu Series (Formation), Yenwashan Formation, and Fengchu Shale. Subsequently, many different investigations of the coal and mineral resources were conducted in 1930s.
  In 1950s, substantial stratigraphic revisions were made by Lu and his colleagues (Lu et al.,1955), who conducted an intensive study of the Palaeozoic strata and collected abundant fossils from the region. They redefined the lithological sequence of Liu and Chao (1927) in a more accurate and detailed set of units, and named the Huangnekang and Changwu Formations. In their system of subdivisions, the Lower Ordovician roughly includes the Yinchufu and Ningkuo Formations, the Middle Ordovician includes the Hulo and Yenwashan Formations, and the Upper Ordovician includes the Huangnekang and Changwu Formations. This subdivision has been widely adopted by subsequent scholars for the region of Zhejiang, Jiangxi and southern Anhui provinces. In the 1950’s and early 1960’s numerous biostratigraphic and palaeontological investigations were carried out in the region, including studies on Graptolites trilobites, corals and nautiloids (see e.g. Mu, 1956, 1957; Mu & Lee, 1958). In 1959, the National Field Meeting of Stratigraphy was held in West Zhejiang, and it attracted over 200 Chinese geologists, palaeontologists, and engineers, as well as some Russian experts. A proceedings volume was subsequently published to include the noteworthy papers on aspects of the regional geology (National Commission on Stratigraphy, 1963).
  In the 1980’s, a great deal of attention was paid to the CambrianOrdovician boundary sections in the region, and a large number of palaeontologic and stratigraphic papers were published. Among the most important of these publications was the special volume on the aspects of the CambrianOrdovician boundary sections in the JiangshanChangshanYushan area (JCY area; Nanjing Institute of Geology and Palaeontology ed.,1984). These studies demonstrated that the Duibian section, Jiangshan, was one of the most promising candidates for the boundary stratotype. In 1983 a group of foreign palaeontologists from the United Kingdom, Germany, and Norway (among others) visited the region for the first time.
  The establishment of the Darriwilian GSSP at Huangnitang, Changshan in 1997 was especially important. A special volume was published on the lithological, sedimentological, palaeontological and geochemical aspects of the boundary interval (Chen & Bergstrm, 1995). In 2003, the Huangnitang GSSP section was taken as the centerpiece of the ‘Changshan National Geopark’, becoming one of China’s protected natural resources. A comprehensive review of the research history of the JCY area and a complete list of the pertinent literature is given by Han (1996).
  In 2003, the Ninth International Symposium on the Ordovician System (ISOS) in San Juan, Argentina approved holding the 2007 ISOS conference in Nanjing. The JCY area and NW Zhejiang were proposed as the most significant and suitable regions for the preConference field trip. As part of our preparation for the trip, we spent a great deal of time systematically collecting the Siyangshan and Yinchufu Formations at the Huangnitang section, Changshan, and the fossiliferous Upper Ordovician—Lower Silurian strata in NW Zhejiang. This work has successfully led to the establishment of a complete graptolite succession in the Hirnantian and early Rhuddanian rocks of Chun’an and Lin’an, NW Zhejiang. Additionally, Hirnantian shelly fossils and a fairly rich fauna of earliest Rhuddanian brachiopods were described from the region.
  We are indebted to many of our colleagues in NIGPAS for their timely identifications of the shelly fossils discovered during our preparatory work in the region. The trilobites reported in this book, except those previously published or specially noted, were identified by Zhou Zhiyi and Zhou Zhiqiang, the brachiopods by Rong Jiayu and Zhan Renbin, the bivalves by Fang Zongjie, the bryozoans by Xia Fengsheng, the gastropods by Pan Huazhang, and the nautiloids by Zhang Yunbai. We also thank Mr. Xu Honggen of the Zhejiang Institute of Geological Survey (formerly Zhejiang Geological Survey) and Prof. Bian Lizeng of Nanjing University for their valuable support of the preconference preparation.
  Financial support from the Chinese Academy of Sciences (KZCX2YW122, KZCX3SW149), the Natural Science Foundation of China (No.40532009), the Ministry of Science and Technology (2006CB806402), and the State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology,Chinese Academy of Sciences), are acknowledged.
  This book is a guide to the preconference field trip of the 10th International Conference on the Ordovician System, the 3rd International Conference on the Silurian System and the Annual Symposium of IGCP503 Project (June—July, 2007, Nanjing, China). It may also be used as a reference book for the Field Teaching and Practice of Palaeontology and Stratigraphy in the region, which is usually attended by graduate students from NIGPAS and many other universities of China.


Chapter1  Preface

Chapter2 Geological setting and stratigraphy of Northwest Zhejiang and Northeast
Jiangxi Provinces
General information
A brief geological history of the region during the Ordovician and Silurian Periods

Chapter3 The Ordovician and early Silurian rocks of Jiangshan, West Zhejiang
General information
Hengtang Reservoir bank section
Hengtang Quarry section
Chencunnong Quarry section
Fengzu section
Jinmuwu section
Hengdu section
Huangnigang section
Quantoupeng section

Chapter4 The Ordovician and early Silurian rocks of Yushan, NE Jiangxi
General information
Zhuzhai section
Jitoushan section
Wangjiaba section

Chapter5 The Ordovician rocks of Changshan, West Zhejiang
Huangnitang section (GSSP for the base of Darriwilian)
Highway  section
Reservoir bank section
Sanqushan section

Chapter6 The late Ordovician and early Silurian rocks of Chun’an, West Zhejiang
General information and the geological background
Wenchang section
Shakengwu section
Tantou section

Chapter7 The Ordovician and Silurian rocks of Lin’an, Anji and Deqing, NW Zhejiang
A.Lin’an County
Tangjia section
Yinggong Reservoir section
Shibanqiao section
Banqiao section
B.Deqing County
C.Anji County
Paiwu section
Tea tree garden section
Shilingtou section
Dabaidi section



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