China Geology, 2020 : Natural gas hydrate, oil and gas were all found together in the Qilian Mountain permafrost area, northeast of Qinghai-Tibet Plateau, China. They are closely associated with each other in space, but whether they are in any genetic relations are unknown ...
Zhen-quan Lu +8 more
doaj +1 more source
The Jurassic of Denmark and Greenland: Jurassic lithostratigraphy and stratigraphic development onshore and offshore Denmark [PDF]
Geological Survey of Denmark and Greenland Bulletin, 2003 A complete updated and revised lithostratigraphic scheme for the Jurassic succession of the onshore and offshore Danish areas is presented together with an overview of the geological evolution.
Michelsen, Olaf +4 more
doaj
Open Geosciences, 2020 In order to determine the tectonic regime change of the early Mesozoic in the South China Block, this study analyzed sedimentary rocks in the Middle Jurassic of southwestern Fujian by modal analysis of sandstones, elemental geochemical analysis of ...
Zhongjie Xu +4 more
doaj +1 more source
Middle Jurassic ankylosaur tracks from Mexico
Boletín de la Sociedad Geológica Mexicana, 2018 espanolUna localidad icnofosilifera en una de las orillas del Rio Numi en las cercanias de la Ciudad de Tlaxiaco, noroeste de Oaxaca, al sur de Mexico, conserva las huellas de dinosaurios sauropodos y teropodos; esta se localiza dentro de la secuencia estratigrafica de la Formacion Zorrillo-Taberna Indiferenciadas, de edad Jurasico Medio (Bajociano ...
Rubén A. Rodríguez-de la Rosa +3 more
openaire +2 more sources
Environmental and climatic proxies for the Cañadón Asfalto and Neuquén basins (Patagonia, Argentina): review of middle to upper jurassic continental and near coastal sequences [PDF]
, 2015 In this review, we include several proxies (sedimentology, palynology, invertebrates) from the Cañadón Asfalto and Neuquén basins, to infer the environments and regional climatic context during the Middle to Late Jurassic of Patagonia.
Cabaleri, Nora Graciela +6 more
core +1 more source
Megaflora of the Australian Triassic–Jurassic: a taxonomic revision
Acta Palaeobotanica, 2016 Umkomasiaceans are the most commonly recorded components of Gondwanan Triassic floras but they are not represented subsequently in that region. Their diversity appears to have substantially declined prior to the Rhaetian. Lower and Middle Jurassic floras
Pattemore Gary A.
doaj +1 more source
Provenance history of a Late Triassic-Jurassic Gondwana margin forearc basin, Murihiku Terrane, North Island, New Zealand: petrographic and geochemical constraints [PDF]
, 2004 The Murihiku Terrane in the North Island was a forearc basin adjacent to a volcanic arc along the eastern margin of Gondwana during the Mesozoic. The rocks that infill the basin are mainly volcaniclastic sandstones and mudstones, often turbiditic, with ...
Briggs, Roger M. +2 more
core +2 more sources
Dinosaur tracks from the Kilmaluag Formation (Bathonian, Middle Jurassic) of Score Bay, Isle of Skye, Scotland, UK [PDF]
, 2005 Tracks of a juvenile theropod dinosaur with footprint lengths of between 2 and 9 cm as well as adults of the same ichnospecies with footprints of about 15–25 cm in length were found in the Bathonian (Middle Jurassic) Kilmaluag Formation of Score Bay ...
Anderson F. W. +19 more
core +1 more source
Journal of Palaeogeography, 2018 Upper Triassic and Middle Jurassic strata of the Xichang Basin in Sichuan Province, southwestern China, yielded important dinosaur ichnofossils. From the Xujiahe Formation of the Yiguojiao tracksite, we report a Late Triassic footprint assemblage in ...
Li-Da Xing +7 more
doaj +1 more source
Dinosaur footprints from the Duntulm Formation (Bathonian, Jurassic) of the Isle of Skye [PDF]
, 2004 The first in situ dinosaur tracks from Scotland were discovered at the top of the Duntulm Formation (Bathonian, Jurassic) near to Staffin in northeastern Skye.
ANDERSON +9 more
core +1 more source