Results 41 to 50 of about 46,098 (213)

Geochemical characteristics of solid bitumen in the Jurassic Sangonghe Formation in the central Junggar Basin and its implications for hydrocarbon accumulation process

open access: yesShiyou shiyan dizhi, 2021
The ubiquitously distributed solid bitumen in the Jurassic Sangonghe Formation reservoir in the central Junggar Basin recorded the important information of hydrocarbon accumulation.
Hui ZHANG   +5 more
doaj   +1 more source

Dinosaur tracks from the Kilmaluag Formation (Bathonian, Middle Jurassic) of Score Bay, Isle of Skye, Scotland, UK [PDF]

open access: yes, 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 ...
Booth, P., Ross, D.A., Clark, N.D.L.
core   +1 more source

Experimental research on imbibition law of Jurassic continental shale in Fuxing area

open access: yesYouqi dizhi yu caishoulu
The imbibition law of the Jurassic continental shale in Fuxing area is not clear, which brings great challenges to the production test after well shut-in.
ZHOU Chao   +5 more
doaj   +1 more source

New findings of rhyncholites in the Middle and Upper Jurassic of Crimea

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2019
Until now thefindingsof rhyncholites from the Jurassic marine sediments of Crimea were very scarce. In both the Oxfordian and Kimmeridgian of Crimea, rhyncholites were never found despite the fact that in Western and Central Europe they are very numerous
A. A. Mironenko, V. N. Komarov
doaj   +1 more source

Polish Palaeobotany: 750 Million Years of Plant History as Revealed in a Century of Studies. Mesozoic Terrestrial Palynology and Flora Reconstruction

open access: yesActa Societatis Botanicorum Poloniae, 2022
Palynological studies of the Mesozoic era in Poland began in the 1950s. These investigations developed in many directions, including stratigraphy, systematics of spores and pollen grains and their botanical affinities, as well as paleoecological and ...
Jadwiga Ziaja, Anna Fijałkowska-Mader
doaj   +1 more source

Jurassic

open access: yesDanmarks Geologiske Undersøgelse Serie B, 1982
During Early Jurassic time, deposition continued in the basinal areas occupied by Triassic sedimentation. The Danish Central Graben subsided strongly and more than 4000 m of sediments were deposited during Jurassic time (fig. 14). North of the area the thickness seems less than 2000 m and, in the Norwegian-Danish Basin, approximately 1200 m. The rhythm
Jens Ole Koch, Lise Holm, Olaf Michelsen
openaire   +2 more sources

Anatomy and cranial functional morphology of the small-bodied dinosaur Fruitadens haagarorum from the Upper Jurassic of the USA. [PDF]

open access: yes, 2012
Heterodontosaurids are an important but enigmatic and poorly understood early radiation of ornithischian dinosaurs. The late-surviving heterodontosaurid Fruitadens haagarorum from the Late Jurassic (early Tithonian) Morrison Formation of the western USA ...
Chiappe, Luis M.   +20 more
core   +1 more source

Characteristics of the shale sedimentary environment and organic matter enrichment mechanism in the Jurassic Lianggaoshan Formation in the East Sichuan Basin

open access: yes地质科技通报
Objective The good oil test results of Taiye 1 and Xingye L1 wells in the Jurassic Lianggaoshan Formation shale indicate the breakthrough of shale oil/gas exploration in the Jurassic continental shale in the Fuxing area of the eastern Sichuan Basin.
Zhanfeng GUO   +5 more
doaj   +1 more source

Environmental controls on the distribution of neoselachian sharks and rays within the British Bathonian (Middle Jurassic).

open access: yes, 2003
Extensive sampling from a range of facies within the Bathonian (Middle Jurassic) of southern England has allowed the palaeoenvironmental distribution of a number of taxa of neoselachian sharks and rays to be assessed.
Underwood, Charlie J.   +1 more
core   +1 more source

A new mamenchisaurid from the Upper Jurassic Suining Formation of the Sichuan Basin in China and its implication on sauropod gigantism

open access: yesScientific Reports
The Sichuan Basin has yielded abundant sauropod dinosaurs from the Middle-Late Jurassic, and Mamenchisauridae had predominated the dinosaur faunae during the Late Jurassic in the Sichuan Basin.
Xuefang Wei   +12 more
doaj   +1 more source

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