您要查找的是不是:
- commpound conodont 复合牙形虫
- MEI Shi-long,1991.Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian,Hebei.Unpublished Ph.D thesis of Peking University. 武桂春;2003.;鲁西地区晚寒武世牙形石
- According to the conodont and fusulinid fossils,their ages are determined to be Devonian-Permian. 根据所含化石确定地层形成时代为泥盆纪至二叠纪。
- The Silurian strata containing abundant conodont fossils are well developed and comformable with the overlying Devonian strata in the Baizitian region, northern Yanbian, Sichuan. 四川省盐边县北部稗子田地区的志留系发育良好,牙形刺化石极为丰富,与上覆泥盆系连续沉积,并呈整合接触。
- Research on color index of conodont fossil shows that hydrocarbon source rocks in palaeozoic formation in Bachu Uplift Area are in mature phase of thermal evolution. 牙形刺化石颜色指标研究表明,巴楚断隆区古生代地层中的烃源岩正处在热演化的成熟期,寻找古生代油气藏应成为该构造带今后勘探的重点;
- The content of this text is studying evolutive degree of the source rock of the upper Sinian and the Paleozoic group mainly by vitrinite,pyrogenation,conodont and sporopollen. 以镜质体反射率、热解、牙形刺、孢粉作为划分的主要依据,研究了金衢盆地上震旦统和古生界烃源岩的演化程度。
- We suggest that the strata are turbidite sequences that are deposisted on the passive continental margin.The strata containing plant, conodont and graptolite belongs to Early-Late Devonian. 该组中采获了低等蕨类植物、牙形石和笔石等化石,证实其时代属于早泥盆世-晚泥盆世。
- Thirteen drilling sections from the northern and central parts of the Taklimakan Desert in the Tarim Basin, Xinjiang have been measured and different conodont zonations in different facies are recognized. 共测制了 13条新疆塔里木塔克拉玛干沙漠中部和北部井下的奥陶系剖面 ,并在不同的相区发现了不同的牙形刺序列。
- On the basis of trilobita, brachiopoda and conodont fossiles obtained from downhole, this paper studied downhole Cambrian - Ordovician section of Well Kunan 1. It is considered Cambrian - Ordovician and every formation of Cambrian as successive sediments. 根据井下所采集的三叶虫、腕足类及牙形石化石;对库南1井井下寒武一奥陶系剖面进行了研究.;认为;奥陶系与寒武系为连续沉积;寒武系各组之间亦为连续沉积
- Four conodont assemblage zones and one bed have been recognized in ascending order: 1. Pachycladina obliqua-Parachirognathus delicatulus Zone, 2. Neospatho-dus homeri-Neospathodus triangularis Zone, 3. Neogondolella cf. 在永宁镇组中识别出4个牙形石组合带(层)(由下而上):1.;Pachycladina obliqua-Parachirognathus delicatulus带;2
- Based on the conodont and fusulinid sequences, the Luosuan and Huashibanian of Luodian, Guizhou can be correlated with the Bashikirian and Moscovian of Russia, and Morrowan and Atokan of USA. 根据牙形刺和有孔虫的序列 ,罗甸纳水剖面上石炭统的罗苏阶和滑石板阶可与俄罗斯的巴什基尔阶 (Bashkirian)、莫斯科阶 (Moscovian)以及北美的莫罗阶 (Morrowan)和阿托克阶 (Atokan)对比
- The Permian faunas are very abundant, with a great of fossils, mostly collected from the mudstone and limestone. They consist of 421 species and 183 genera, mainly including Fusulinids, Brachiopoda, Bivalves, Cephalopoda, Conodont and so on. 二叠纪动物群繁盛,大量的动物化石大多采自泥岩和灰岩,计有138属421种,主要包括(?) 、腕足、双壳类、头足类和牙形刺等。
- Chinese Traditional Commpound Medicine-Xianhe 中药仙鹤复方
- Primary genera of fossils group consist of marine reptiles (ichthyosaurus, thalattosaurus, sauropterygia, placodus), crinoid, ammonite, bivalve, brachiopoda, conodont, fish and plants. 化石群主要门类有海生爬行类(鱼龙、海龙、鳍龙、盾齿龙等)、海百合、菊石、双壳、腕足、牙形刺、鱼类和植物。
- Study is made on palaeozoic conodont fossil from Bachu Uplift and Awati Depression. 5 conodont fossil assemblage zones are identified.And their geological history and geological eras are discussed. 对塔里木盆地西部巴楚断隆、阿瓦提凹陷古生代产出的牙形刺化石进行了研究,建立了5个牙形刺化石组合带,讨论了其地史分布及其地质时代。
- The organic maturity of lower Palaeozoic in the eastern Yangzi Gorges area is studied by means of a new technique of kerogen infrared spectroscopy,combined with conodont color alteration index. 应用干酪根红外光谱技术,结合牙形石色变指数分析了峡东地区下古生界有机质成熟度。探讨了在缺乏镜质体的前泥盆纪地层和海相地层中分析有机质成熟度或古地温的另一有效途径。
- Based on paleontology and stratigraphy studies in recent years, conodont and sporopollen were successively found nearby boundary of Carboniferous-Devonian, so “Donghe sandstone" is put in Devonian. 经过近几年的古生物地层学的研究,人们先后找到了石炭-泥盆系界线附近的牙形石、孢粉化石,从而将“东河砂岩”划归泥盆系,被大家所接受。
- Commpound and Application of Powdered Coal Ash Concrete 粉煤灰混凝土的配制及应用
- SUMMARY OF APPROACHES FOR CONODONT SEPARATION 牙形石的分离方法简介
- Conodont color alteration index; 牙形石色变指标;