-
281
Influence of a biohermal belt on the lacustrine sedimentation of the Cañadón Asfalto Formation (Upper Jurassic, Chubut province, Southern Argentina)
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. …”
Get full text
Article -
282
Geological characteristics and seismic fine description of different types of sand bodies in Jurassic Shaximiao Formation in central Sichuan Basin
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. …”
Get full text
Article -
283
-
284
-
285
Accumulation conditions and controlling factors for the enrichment of shale oil and gas in the Jurassic Qianfoya Formation, Yuanba area, Sichuan Basin
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. …”
Get full text
Article -
286
Insect and Plant Diversity in Hot-Spring Ecosystems during the Jurassic-Cretaceous Boundary from Spain (Aguilar Fm., Palencia)
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). …”
Get full text
Article -
287
New discoveries and exploration prospects of middle and Lower Jurassic lithologic reservoirs in depression area of Turpan-Hami Basin, China
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. …”
Get full text
Article -
288
Quartz silt in mudrocks as a key to sequence stratigraphy (Kimmeridge Clay Formation, Late Jurassic, Wessex Basin, UK)
Published 2001Journal article -
289
-
290
-
291
-
292
THE JURASSIC SEDIMENTARY EVOLUTION OF A CARBONATE PLATFORM INTO A DEEP-WATER BASIN, MT. MANGART (SLOVENIAN-ITALIAN BORDER)
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. …”
Get full text
Article -
293
-
294
-
295
Tracking sea bed topography in the Jurassic. The Lotena Group in the Sierra de la Vaca Muerta (Neuquén Basin, Argentina)
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. …”
Get full text
Article -
296
NEW HETTANGIAN AMMONITE FAUNAS AND A TRIASSIC - JURASSIC BOUNDARY SUCCESSION, FERNIE FORMATION, WILLISTON LAKE, BRITISH COLUMBIA
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). …”
Get full text
Article -
297
-
298
The oldest ceratosaurian (Dinosauria: Theropoda), from the Lower Jurassic of Italy, sheds light on the evolution of the three-fingered hand of birds
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. …”
Get full text
Article -
299
-
300