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Overlying strata movement characteristics and water conducting fracture zone height prediction for deep coal mining in arid Western China. [PDF]
Sci RepDu Q, Guo G, Li H, Sun J, Hu Z.
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2023
The Danubian Cretaceous Group (DCG; Bavaria, SE-Germany) represents the deposits of one of the most pronounced sea-level rises in the Phanerozoic. Integrated stratigraphy (litho-, sequence-, and chemostratigraphy) and (micro-) facies analysis of the Lower Cenomanian–Middle Turonian strata of the DCG based on new drill cores from the north of Regensburg
Metzner, Niklas +3 more
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The Danubian Cretaceous Group (DCG; Bavaria, SE-Germany) represents the deposits of one of the most pronounced sea-level rises in the Phanerozoic. Integrated stratigraphy (litho-, sequence-, and chemostratigraphy) and (micro-) facies analysis of the Lower Cenomanian–Middle Turonian strata of the DCG based on new drill cores from the north of Regensburg
Metzner, Niklas +3 more
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An exceptionally preserved Lower Cretaceous ecosystem
Nature, 2003Fieldwork in the Early Cretaceous Jehol Group, northeastern China has revealed a plethora of extraordinarily well-preserved fossils that are shaping some of the most contentious debates in palaeontology and evolutionary biology. These discoveries include feathered theropod dinosaurs and early birds, which provide additional, indisputable support for ...
Zhonghe, Zhou +2 more
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Nature, 1970
Two fleas have been collected in association with abundant remains of fish, plants, phyllopod Crustacea (Conchostraca, Anostraca and Cladocera) and other insects in a Lower Cretaceous siltstone at Koonwarra, southern Gippsland, Australia. The insect fauna consists mainly of the aquatic immature stages of Ephemeroptera (mayflies), Diptera (midges ...
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Two fleas have been collected in association with abundant remains of fish, plants, phyllopod Crustacea (Conchostraca, Anostraca and Cladocera) and other insects in a Lower Cretaceous siltstone at Koonwarra, southern Gippsland, Australia. The insect fauna consists mainly of the aquatic immature stages of Ephemeroptera (mayflies), Diptera (midges ...
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The Mammals of the Lower Cretaceous
1984The next 40 × 106 years spanning the Lower Cretaceous was a critical period in mammalian evolution, as it was during this time that the primitive mammals known in the Jurassic evolved into marsupials and placentals. In other words it was in the Lower Cretaceous that modern mammals first appeared; unfortunately much less is known about early Cretaceous ...
Doris M. Kermack, Kenneth A. Kermack
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Morphological Stasis of Protists in Lower Cretaceous Amber
Protist, 2008Paleomicrobiological studies of terrestrial and freshwater protists are extremely rare in comparison with studies of eukaryotic microfossils from marine ecosystems. Using optical and electron microscopy (SEM-BSE) for hard substrates, we have examined protists trapped in Lower Cretaceous amber from Peñacerrada (Alava, Spain).
Martín González, Ana +4 more
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An Upper Cretaceous lizard with a lower temporal arcade
Naturwissenschaften, 2008The reduced lower temporal arcade of the skull and the movable quadrate are the most distinctive features of squamates. Up to now, no exception has been documented for any fossil or extant squamates. We report here a new fossil lizard that possesses a complete lower temporal arcade and an unmovable quadrate.
Jun-Chang, Lü +3 more
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Strontium–isotope stratigraphy of the Lower Cretaceous of Australia
Cretaceous Research, 2012The first comprehensive Sr/ Sr analysis of the Lower Cretaceous of Australia is presented, derived from a suite of well-preserved Barremian-Cenomanian belemnite rostra. Samples were obtained from the east Australian platform (northern Eromanga Basin, with additional material from selected Aptian and Albian stratigraphic horizons in the southern ...
Williamson, T. +3 more
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Lower Cretaceous in Colorado Plateau
AAPG Bulletin, 1952ABSTRACT Fossil collections consisting of non-marine microfossils, plants, and mollusks have recently been made from the Cedar Mountain and Burro Canyon formations of the Colorado Plateau. The containing sediments have previously been considered to be either Jurassic or Late Cretaceous but the fossil evidence indicates early ...
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