Results 81 to 90 of about 394 (183)
The late Pennsylvanian Kounov coal seam yielded exceptionally well-preserved vascular elements. Their determination is questionable due to their fragmentary nature. Scalariform, reticulated and pitted tracheids prevail. They are comparable with the sphenopsid plants Arthropitys and Sphenophyllum.
Šimunek, Zbynek, Mencl, Václav
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This study investigates the Upper Pennsylvanian (Gzhelian) to Lower Permian (Asselian– Artinskian) succession on NW Devon Island (Grinnell Peninsula) and SW Ellesmere Island (Bjorne Peninsula) along the southern margin of the Sverdrup Basin.
Waldbott von Bassenheim, Daniela Maria Sofia
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Currently, global warming driven by anthropogenic factors such as the massive emission of greenhouse gases is gradually transitioning the Earth’s surface climate from a Quaternary glacial period to an interglacial or greenhouse climate, accompanied by ...
Ye WANG +7 more
doaj +1 more source
Sampling biases obscure the early diversification of the largest living vertebrate group. [PDF]
Henderson S, Dunne EM, Giles S.
europepmc +1 more source
© 2020 IOP Publishing Ltd. All rights reserved. Volcanic ash from the Usolka section, which is proposed as an international standard for global correlation of the lower boundaries of the Kasimovian and Gzhelian Stages, is considered.
Sungatullin R.K. +3 more
core
Conodonts, radiolarians, foraminiferids, and corals provide constraints on the geology and tectonics of the Nechako region. They also support the notion that the Cache Creek Terrane is allochthonous with respect to the North American craton.
H Sano +23 more
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Tracking 'transitional' diadectomorphs in the earliest Permian of equatorial Pangea. [PDF]
Calábková G +3 more
europepmc +1 more source
Structural and palaeontological (mainly fusulinids) studies of the area between Gamonedo and Cabrales have shown the existence of more than nine tectonically superposed units showing differences in the uncohformable syn-orogenic successions deposited in ...
Martínez García, E., Villa, E.
core
A new palynozone for the upper Serpukhovian–Bashkirian (uppermost Mississippian–lower Pennsylvanian) strata of the Chacoparaná Basin (Argentina) is formally proposed based on palynological assemblages from the Santiago Temple YCF.CO1, YCF.CO2 and YCF.CO3
Balarino, María Lucía +1 more
core +1 more source

