Showing 281 - 300 results of 1,318 for search 'Jurassic 5', query time: 0.14s Refine Results
  1. 281

    Influence of a biohermal belt on the lacustrine sedimentation of the Cañadón Asfalto Formation (Upper Jurassic, Chubut province, Southern Argentina) by Nora Graciela Cabaleri, Claudia Armella

    Published 2005-01-01
    “…The Upper Jurassic Cañadón Asfalto Formation (Cañadón Asfalto Basin, Patagonia Argentina), consists mainly of carbonate deposits accumulated in hydrologically closed lakes, which were especially sensitive to rainfall changes. …”
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  2. 282

    Geological characteristics and seismic fine description of different types of sand bodies in Jurassic Shaximiao Formation in central Sichuan Basin by Lei FU, Benjian ZHANG, Zhenglin CAO, Dong HUANG, Rong BAI, Yucong LI, Xiaolan WANG

    Published 2022-01-01
    “…Sand bodies in the Jurassic lacustrine-fluvial sedimentary system in the Sichuan Basin are realistic objects of shallow tight oil and gas exploration and development. …”
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    Accumulation conditions and controlling factors for the enrichment of shale oil and gas in the Jurassic Qianfoya Formation, Yuanba area, Sichuan Basin by Xusheng GUO, Yongqiang ZHAO, Wentao ZHANG, Yuping LI, Xiangfeng WEI, Baojian SHEN

    Published 2021-09-01
    “…Taking key wells such as Yuanye 3 in the Yuanba area of the Sichuan Basin as examples, the accumulation conditions of continental shale oil and gas in the Middle Jurassic Qianfoya Formation in this area have been evaluated based on core observation and experimental analysis. …”
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  6. 286

    Insect and Plant Diversity in Hot-Spring Ecosystems during the Jurassic-Cretaceous Boundary from Spain (Aguilar Fm., Palencia) by Artai A. Santos, André Nel, Iván Rodríguez-Barreiro, Luis M. Sender, Torsten Wappler, José B. Diez

    Published 2022-02-01
    “…Hydrothermal palaeoenvironments are very uncommon in Upper Jurassic and Lower Cretaceous deposits worldwide. We present new plant and insect remains from travertines formed during the Jurassic-Cretaceous boundary in northern Spain (Aguilar Fm., Palencia province). …”
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  7. 287

    New discoveries and exploration prospects of middle and Lower Jurassic lithologic reservoirs in depression area of Turpan-Hami Basin, China by Haiqing He, Shijun Liang, Xujie Guo, Quansheng Luo, Jufeng Wang, Xuan Chen, Fan Yang, Dongsheng Xiao, Hua Zhang

    Published 2022-10-01
    “…At a depth of more than 5000 m, effective reservoirs are still developed as a result of secondary dissolution and structural fractures. (3)There are five favorable zones of rock reservoirs in the Lower Jurassic of Taibei Sag, namely, Pudong, Hongbei, Lingbei, Qiudong, and Gebei. …”
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    THE JURASSIC SEDIMENTARY EVOLUTION OF A CARBONATE PLATFORM INTO A DEEP-WATER BASIN, MT. MANGART (SLOVENIAN-ITALIAN BORDER) by ANDREJ SMUC, SPELA GORICAN

    Published 2005-03-01
    “…The section was studied sedimentologically in detail and dated with radiolarians. It is divided into five lithostratigraphic units: Unit 1: Lower Jurassic shallow-water peloidal and oncoidal limestones; Unit 2: Pliensbachian distal shelf limestones rich in juvenile ammonites and sponge spicules topped by an Fe-Mn hardground; Unit 3: lower to possibly middle Toarcian sequence of black shales with interbedded siliceous limestone; Unit 4: upper Bajocian/Bathonian to lower Tithonian cherts, cherty limestones, and carbonate gravity-flow deposits; Unit 5: upper Tithonian red nodular cherty limestones with abundant calpionellids and aptychi. …”
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    Tracking sea bed topography in the Jurassic. The Lotena Group in the Sierra de la Vaca Muerta (Neuquén Basin, Argentina) by Carlos Zavala

    Published 2005-01-01
    “…The first sequence is composed of red beds and evaporites belonging to the Tábanos Formation that unconformably overlies strata of the Lower to Middle Jurassic Cuyo Group. Sequences 2 to 5 are shallow marine and display a basal sandstone interval attributed to confined shelfal sandstone lobes. …”
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  16. 296

    NEW HETTANGIAN AMMONITE FAUNAS AND A TRIASSIC - JURASSIC BOUNDARY SUCCESSION, FERNIE FORMATION, WILLISTON LAKE, BRITISH COLUMBIA by RUSSELL HALL, SIMONA PITARU

    Published 2004-03-01
    “…A relatively new shoreline section on Peace Reach, Williston Lake, north-eastern British Columbia, provides continuous exposure through a Triassic-Jurassic boundary succession, with apparent stratigraphic continuity from the Pardonet Formation (Upper Norian) into the overlying Fernie Formation (Hettangian and younger). …”
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    The oldest ceratosaurian (Dinosauria: Theropoda), from the Lower Jurassic of Italy, sheds light on the evolution of the three-fingered hand of birds by Cristiano Dal Sasso, Simone Maganuco, Andrea Cau

    Published 2018-12-01
    “…With an estimated body length of 7.5 m, Saltriovenator is the largest and most robust theropod from the Early Jurassic, pre-dating the occurrence in theropods of a body mass approaching 1,000 Kg by over 25 My. …”
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