Issue 1,2001 Table of Contents

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  • 1  RESTUDY ON THE TRILOBITES (AGNOSTOIDS AND OTHER POLYMERIDS) FROM THE MIAOPO FORMATION (UPPER ORDOVICIAN) IN EASTERN YANGTZE GORGE AREA, WESTERN HUBEI
    PENG Shan Chi ) LIN Tian Rui ) LI Yue ) ) Nanjing Institute of Geology Palaeontology Chinese Academy of Sciences Nanjing ) Department of Earth Sciences Nanjing University Nanjing
    2001(1):1-19. DOI: 1 CSTR:
    [Abstract](277) [HTML](0) [PDF 0.00 Byte](8)
    Abstract:
    species, belonging to 9 genera and 7 families, from the Upper Ordovician Miaopo Formation in Yichang and Zigui, western Hubei, are restudied on the basis of new materials. The preservation, deformation, depression and the morphological changes during ontogeny of species suggest to synonymize greatly the previously described species. Telephina longicephala seems to be a sexually dimorphic species. The first record of Atractopyge in the Miaopo Formation extended its range from the overlying Linxiang Formation down to the formation. Lonchodomas zhangi sp.nov. is named for the open nomenclature species Lonchodomas cf. yohi described by Zhang Tairong (1988) from the Taleji River Formation (Lower Ordovician) Guozigou, Xinjiang.
    2  HYOLITHS OF THE LOWER CAMBRIAN CHIUNGCHUSSUAN STAGE IN SOUTH SHAANXI PROVINCE
    QIAN Yi ) XIE Yong Shun ) HE Ting Gui ) ) Nanjing Institute of Geology Palaeontology Chinese Academy of Sciences Nanjing ) Chengdu University of Industry Chengdu
    2001(1):31-43. DOI: 1 CSTR:
    [Abstract](350) [HTML](0) [PDF 0.00 Byte](7)
    Abstract:
    This paper deals with the hyoliths from the Lower Cambrian Chiungchussuan Stage of Southern Shaanxi. 6 genera and 8 species have been described, including 5 new genus, 7 new species and one comparable species. Based on the analysis of assemblage features and shell structures, it is possible to distinguish it from the hyoliths assemblage of the Meishucunian Stage. The fauna considered here is characterized not only by larger shells, ventral and dorsal features of shells, apertural lips and operculum co occurred with cones, but also by higher diversity. So it is an important useful evidence for study of the early evolution of hyoliths and biostratigraphic correlation of the Lower Cambrian.
    3  HEBUKOPHYLLUM LIAO AND CAI (DEVONIAN RUGOSA) AND ITS RELATED GENERA
    廖卫华 Francisco
    2001(1):44-50. DOI: 1 CSTR:
    [Abstract](254) [HTML](0) [PDF 0.00 Byte](5)
    Abstract:
    和布克河珊瑚(Hebukophyllum Liao and Cai,1987)产于新疆北部和布克赛尔蒙古族自治县上泥盆统洪古勒楞组。该属的特征明显,描述清楚,个体发育各个阶段的图影齐全,而且在国际学术界已经得到不少珊瑚专家的认可(Weyer,1994),但目前仍有一学者主张将它视为Circellia Ye and Wang 1983的同义名(Yu,1998,Pory and Boland,1996;Boland,1997)。经最近对这2属模式标本的进一步深入研究表明,虽然Hebukophyllum成年期的特征与Circellia,Coniophyllum,Siphonophyllia等属有某些相似之处,但其幼年期的隔壁强烈加厚并在个体中央形成一个明显的轴管(aulos)明显不同于后3属,Hebukophyllum明显不属于caninoid型珊瑚;Circellia是一种隔壁成一个明显的轴管(aulos),明显不同于后3属。Hebukophyllum明显不属于caninoid型珊瑚;Circellia是一种隔壁构造十分不发育的小单体珊瑚,也不属于caninoid型珊瑚;Conilophyllum Poty and Boland,1996和Siphonophyllia Scouler MS in McCoy,1844则属于典型的caninoid型珊瑚,因此,上述几个属之间并无密切的亲缘关系,它们应分属于不同的科:Family(科)Amplexidae Chapman,1893Genus(属)Circellia Ye and Wang,1983Family(科)Laccophyllidae Grabau,1928,Genus(属)Hebukophyllum Liao and Cai,1987 Family(科)Caninidae Fomichev,1953,Genus(属)Conilophyllum Poty and Boland,1996Genus(属)Siphonophyllia Scouler MS in McCoy,1844本文曾在1999年9月在日本仙台市如开第8次国际化刺丝胞与多孔类大会上(8th International Symposium on Fossil Cnidaria an Porifera)宣读,会上笔者曾与比利时珊瑚专家Poty博士进行了交流和讨论,会后我们又特地向中国地质大学(武汉)王治平、叶干教授借阅了Circellia的模式标本进行了比较深入的研究,我们在此表示衷心的感谢。
    4  UPPER SILURIAN
    WANG Yi LI Jun
    2001(1):51-60. DOI: 1 CSTR:
    [Abstract](231) [HTML](0) [PDF 0.00 Byte](6)
    Abstract:
    系统研究江苏北部晚志留世地层中的植物碎片,包括表皮(3个类型)、管状体(3属5种)和其它分子,这些植物碎片与世界上(如:Anglo-Welsh Basin和Scotland)同时期地层中的植物碎片相似,通过研究认为,这些表皮可能产自较高等陆生植物和Nematophytes;管状体来自Nematophyte。根据研究结果,并结合已有的资料,认为华南地区Ludlow-Pridoli期发育的6个沉积区。
    5  MIDDLE PERMIAN CONCHOSTRACANS IN XINJIANG
    LIU Shu Wen
    2001(1):61-66. DOI: 1 CSTR:
    [Abstract](228) [HTML](0) [PDF 0.00 Byte](5)
    Abstract:
    描述新疆阜康三工河剖面芦草沟组的叶肢介石2科3属4种(其中2新种)和鄯善照壁山剖面“照壁山组“的叶肢介化石2科4属5种,时代均为中二叠世。
    6  DISCOVERY OF FOSSIL PLANTS FROM MIDDLE
    ZHENG Shao Lin ZHANG Wu DING Qiu Hong
    2001(1):67-85. DOI: 1 CSTR:
    [Abstract](227) [HTML](0) [PDF 0.00 Byte](10)
    Abstract:
    报道产自辽宁北票三宝营土城子组2种木化石及10种植物化石(包括5新种)。它们反映了干旱气候条件下沙漠绿洲型的植被特征,时代属时代属中晚侏罗世。
    7  EARLY TRIASSIC CONODONTS FROM LUOLOU FORMATION IN LUOLOU, LINGYUN, GUANGXI
    YANG Shou Ren HAO Wei Cheng JIANG Da Yong
    2001(1):86-92. DOI: 1 CSTR:
    [Abstract](262) [HTML](0) [PDF 0.00 Byte](5)
    Abstract:
    罗楼地区下三叠统,经赵金科(1959)研究显示,最低层位为Vishnuites marginalis菊石带(Gyronitan阶),张舜新(1990)研究广西凤山金下三叠统形石时,未发现最高的牙形石带,当前研究发现,罗楼地区下三叠统牙形石丰富,可识别出Hindeodus parvus,Isarciclla staeschei ,Neospathodus waageni,Neospathodus novaehel-landiae,Neospathodus homeri-Neospathodus triangularis,Chiosella timorensis6个牙形石带(组合带),从而表明该地区不但存在下三叠统底部层位Otoceratan阶,而且存在下三叠统最高的牙形石带,牙形石组合面貌和岩相显示,该牙形石动物群生活环境与田东县作登地区同属盆地相环境。
    8  FOSSIL OSTRACODS AND CHAROPHYTES FROM THE SUWEIYI FORMATION (TERTIARY)IN KUQA DEPRESSION OF TARIM BASIN, NW CHINA
    ZHONG Duan ZHAO Pei Rong
    2001(1):93-100. DOI: 1 CSTR:
    [Abstract](228) [HTML](0) [PDF 0.00 Byte](5)
    Abstract:
    Only a few fossil ostracods were reported from the Suweiyi Formation of Tarim Basin in the past. The specimens described in the present paper were collected from a Tukermen section in Tarim Basin, which contains nine species of five genera. They are mostly distributed in the upper part of this formation, while a few species from the lower part are associated with charophyte fossils which are rich in quantity but low in diversity.\;According to the occurrence of those ostracod species in other areas of NW China, the Suweiyi Formation might belong to Miocene in age and also probably contains Oligocene deposits due to the presence of the Sphaerochara Charites charophyte assemblage.
    9  TRACE FOSSILS IN FLYSCH FACIES IN THE MIERS BLUFF FORMATION(LATE TRIASSIC), LIVINGSTON ISLAND, ANTARCTICA
    YANG Shi Pu ) DENG Xi Guang ) ZHENG Xiang Shen ) LIU Xiao Han ) ) China University of Geosciences Beijing ) Institute of Geology Geophysics Chinese Academy of Sciences Beijing
    2001(1):101-115. DOI: 1 CSTR:
    [Abstract](177) [HTML](0) [PDF 0.00 Byte](5)
    Abstract:
    南极利文斯顿岛赫德半岛中的迈尔斯陡崖组主要是浅变质的石英长石杂砂岩、粉砂岩、泥岩和粉砂岩与泥岩互层等组成的复理石,厚度可能超过3000m,形成于浊积扇的上扇和下扇部分,时代可能为晚三叠世。在复理石相岩石中发育一套深水的遗迹化石,共有15个遗迹属、16人遗变种,其中有10个可以鉴定到遗迹种,两个比较种,4个只鉴定到遗迹属,未鉴定到遗迹种,1建立1个新遗迹属及新遗迹种,除新遗迹属种外,其余14个遗迹属,15个遗迹种都曾经在深海复理石相浊积岩内发现过,其中Belorhaphe,Glockerichnus,Lophoctenium,Rhabdo-glyphus,Paleodictyon,Suborenzinia,Spirophycus,Strobilorhaphe,Tuberculicnus,Cochlichnus等,属于浊流前产生在复理石相泥岩内的高度分异的雕画迹(Graphoglyptida),它们产于泥岩却保存为上覆砂岩底面的铸型凸起。别外,Fucusopsis和Neonereites却产生在砂岩内代表浊流后形成的沉积后遗迹组合,文内还描述3种浊流常见的无机构造,并上上述遗迹化石进行比较。
    10  LOWER SILURIAN ICHNOFABRICS OF TARIM BASIN AND THEIR ENVIRONMENTARY INTERPRETATION
    QI Yong An HU Bin
    2001(1):116-126. DOI: 1 CSTR:
    [Abstract](241) [HTML](0) [PDF 0.00 Byte](5)
    Abstract:
    遗迹组构是由生物成因改造的沉积岩组构,是物理过程和生物过程相互作用的产物,文中运用生物扰动指数和遗迹组构组分图解综合分析方法在塔里木盆地下志留统塔塔埃尔塔格组中建立4个遗迹组构,即反映下临滨和滨外环境的Helminthopsis-Diplocraterion复合遗迹组构,反映了下临滨环境的Palaeophycus遗迹组构和Skolihos遗迹组构,反映中上临滨环境的Skolithos-Arenicolites遗迹组构,对遗迹化石和生物扰动构造进行阶层分析,从中识别出受固底质控制的遗迹化石Diplocraterion,常代表层序地层学中的重要界面。
    11  EARLY CRETACEOUS DINOFLAGELLATES FROM THE DIDAO FORMATION IN THE JIXI BASIN, EASTERN HEILONGJIANG PROVINCE,NE CHINA
    CHENG Jin Hui HE Cheng Quan
    2001(1):127-133. DOI: 1 CSTR:
    [Abstract](378) [HTML](0) [PDF 0.00 Byte](4)
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    首次描述鸡西盆地滴道组的沟鞭藻化石2新种:Lagenorhytis granorugosus sp.nov.和Vesperopsis di-daoensis so.nov.;讲座沟鞭藻组合特征,地质时代及沉积环境;认为滴道组含沟鞭藻化石的层 的时代为早白垩世早期,很可能为Berriasian-Valanginian期。沟鞭藻化石证实,在早白垩世早期滴道组沉积时,鸡西盆地曾遭受短暂的弱的海水影响。
    12  MODERN ECOLOGICAL INTERPRETATION OF OPPORTUNISTIC (R-SELECTED) AND EQUILIBRIUM (K-SELECTED) TRACE FOSSILS
    S.G.Pemberton ) ZHOU Zhi Cheng ) J.MacEachern ) ) Department of Earth Atmospheric Sciences Edmonton Alberta TGE Canada ) Nanjing Institute of Geology Palaeontology Chinese Academy of Sciences Nanjing )
    2001(1):134-142. DOI: 1 CSTR:
    [Abstract](357) [HTML](0) [PDF 0.00 Byte](6)
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    介绍地质记录中在不稳定的沉环境下,由于生活条件的恶化(盐度的变,严酷的温度,低含氧量及移动的沉积基底等)以及沉积事件(浊流沉积和风暴沉积)所产生的机会(r-选择)遗迹化石和均衡(K-选择)遗迹化石及其特点以及机会行为方式的古生物证据。对现代底栖生物的生态学研究,揭示现代机会生物均衡生物的生态特征(居群策略)描述由于破坏事件导致动物群消除后重新移居的现代实例,有助于了解地质记录中机会(r-选择)遗迹化石和均衡(K-选择)遗迹化石的成因及其古生态特征。
    13  APPLICATION OF NEW DIATOM INDEX IN RECONSTRUCTION OF HOLOCENE ENVIRONMENTAL CHANGES IN ANGREN LAKE, SOUTHERN XIZANG (TIBET)
    LI Sheng Feng ) ZHANG Jian Xin ) ZHANG Zhao Gan ) WANG Fu Bao ) LI Xu Sheng ) HAN Hui You ) ZENG Zhao Qi ) ZHU Li Ping ) ) Department of Urban Resource Sciences Nanjing University
    2001(1):143-152. DOI: 1 CSTR:
    [Abstract](265) [HTML](0) [PDF 0.00 Byte](5)
    Abstract:
    应用化石硅藻属组合和属系数两个新指标对西藏南部昂仁湖 (2 9°18′N ,87°11′E)剖面硅藻记录进行解析 ,得出该地区在 110 0 0— 6 0 0 0aBP间经历了寒冷期 (110 95— 9970aBP)→温和期 (9970— 9870aBP)→升温期(9870— 9770aBP)→凉干期 (9770— 8740aBP)→超高温期 (8740— 85 90aBP)→高温期 (85 90 - 5 970aBP)的演变序列。同时发现在寒冷期存在增温 (10 710aBP)和降温 (10 430aBP)波动 ;凉干期 880 0— 876 0aBP附近存在强低温事件 ;超高温期中的最高温出现在 86 80aBP附近 ;在高温期 80 0 0— 792 0aBP和 7170— 70 90aBP两个小时段分别存在增降温波动。在 6 430aBP附近存在明显的旱化现象。同时发现在研究时期除了存在 10 0 0年的气候变化周期外还存在 15 0— 2 0 0年左右的气候转型期。昂仁湖发育则至少经历了缓慢扩张 (110 0 0— 8740aBP)→快速扩张 (8740— 85 90aBP)→缓慢退缩 (85 90— 5 970aBP) 3个大阶段。也因此验证化石硅藻属组合和属系数两个新指标至少在富含硅藻的封闭湖盆环境演变研究中的有效性和便捷性

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