Results 11 to 20 of about 12,075 (246)

Normal fault evolution in Lishu Fault Depression, southern Songliao Basin

open access: yesShiyou shiyan dizhi, 2021
The formation of the Songliao Basin was affected by multidirectional tectonic stress and various peripheral structural belts, and has a complicated geological structure and basin evolution process.
Mingzhe DENG   +3 more
doaj   +1 more source

Diversity of Cretaceous continental actinopterygians from Argentina, South America [PDF]

open access: yesResearch & Knowledge, 2017
South America holds a signiicant number of continental ish-bearing deposits of Cretaceous age. The principal purpose of the current article is to illustrate the diversity of continental actinopterygian assemblages of the main Cretaceous localities from ...
P. Guillermina Giordano
doaj   +1 more source

Tectono-sedimentary evolution of the NE Dinarides margin during the Cretaceous Adria-Europe convergence [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2023
The Cretaceous sedimentation along the NE Dinarides margin occurred in basins above the Europe-dipping Neotethyan Sava subduction zone positioned between Adria- and Europe-derived continental units.
Stojadinović Uroš, Krstekanić Nemanja
doaj   +1 more source

Early Cretaceous Archaeamphora is not a carnivorous angiosperm [PDF]

open access: yesFrontiers in Plant Science, 2015
Archaeamphora longicervia H. Q. Li was described as an herbaceous, Sarraceniaceae-like pitcher plant from the mid Early Cretaceous Yixian Formation of Liaoning Province, northeastern China. Here, a re-investigation of A. longicervia specimens from the Yixian Formation provides new insights into its identity and the morphology of pitcher plants claimed ...
Wong, William Oki   +4 more
openaire   +4 more sources

Volcanic complexes and tecton-magmatic stages of the evolution of the Magellan Seamounts (Pacific Ocean). Message 1: Volcanic complexes

open access: yesВестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2022
The paper presents original and published data of radioisotope dating of volcanic rocks of the Magellan Seamounts. These data and available geological materials allow us to distinguish five major volcanic complexes of different ages in the guyots of the ...
Syedin V.T.   +2 more
doaj   +1 more source

Early Cretaceous

open access: yesDanmarks Geologiske Undersøgelse Serie B, 1982
The Early Cretaceous sea primarily covered the same basinal regions as the Late Jurassic sea but, late in the Early Cretaceous the sea also covered Late Jurassic land masses. During Early Cretaceous time the topography of the North Sea region became gradually buried. The following major transgression comprises the transition Early/Late Cretaceous.
Jens Morgen Hansen, Arne Buch
openaire   +2 more sources

Geochronology and geochemistry of Early Cretaceous granitic plutons in northern Great Xing’an Range, NE China, and implications for geodynamic setting

open access: yesOpen Geosciences, 2022
Early Cretaceous granitic rocks are widely distributed in the Great Xing’an Range, northeast China. However, their precise age and tectonic evolution remain controversial.
Luo Niangang   +6 more
doaj   +1 more source

Bispiraloconulus serbicus Schlagintweit, Bucur & Sudar, 2019 (arborescent benthic foraminifer) and Torremiroella hispanica Brun & Canerot, 1979 from the late Barremian of Kopet-Dagh sedimentary basin (NE Iran) and their palaeobiogeographic revisions [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2019
during micropaleontological investigations on the lower cretaceous successions of the tirgan Formation in Kopet-dagh sedimentary basin, some new achievements are yielded.
Taherpour-Khalil-Abad Morteza   +4 more
doaj   +1 more source

Study on the Early Cretaceous fluvial-desert sedimentary paleogeography in the Northwest of Ordos Basin

open access: yesOpen Geosciences, 2023
Early Cretaceous desert sedimentary system was developed in Northwest Ordos Basin. At present, the research degree of desert sedimentary paleogeography is low.
Feng Yangwei   +5 more
doaj   +1 more source

A new species of baenid turtle from the Early Cretaceous Lakota Formation of South Dakota [PDF]

open access: yesFossil Record, 2020
Baenidae is a clade of paracryptodiran turtles known from the late Early Cretaceous to Eocene of North America. The proposed sister-group relationship of Baenidae to Pleurosternidae, a group of turtles known from sediments dated as early as the Late ...
W. G. Joyce, Y. Rollot, R. L. Cifelli
doaj   +1 more source

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