Results 21 to 30 of about 8,234,031 (344)

Lower Carboniferous calcareous algae and foraminifera of the middle part of the central paraxial zone of the Dono-Dnieper Depression (Ukraine)

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія Геологія. Географія. Екологія, 2021
Introduction. Today, the boundary of the Upper Visean and Lower Visean substage of the Dnieper-Donetsk Basin (DDB) remains controversial. The characteristic of associations of foraminifera and calcareous algae of Lower Carboniferous deposits in axial ...
Anastasiia Gusarova, Andrij Matveyev
doaj   +1 more source

Geochemical Composition Variations and Tectonic Implications of the Baoligaomiao Formation Volcanic Rocks from the Uliastai Continental Margin, Southeast Central Asian Orogenic Belt [PDF]

open access: yesLithosphere, 2023
The Permo-Carboniferous tectonic evolution in the Uliastai continental margin (UCM), north of the southeast central Asian Orogenic Belt, remains controversial. This work examined the geochemical composition of the felsic volcanic rocks from the lower and
Jianzhou Tang, Zhicheng Zhang, Zejia Ji
doaj   +1 more source

Evaluation of terrigenous input, diagenetic alteration and depositional conditions of Lower Carboniferous carbonates of Tethys Himalaya, India

open access: yes, 2018
Geochemical and isotopic signatures from Lower Carboniferous Limestone of the Lipak Formation of Spiti region, Tethys Himalaya (for the first time) have been studied for palaeo-climatic reconstruction of the region and to evaluate the influence of ...
J. Ganai, S. Rashid, S. Romshoo
semanticscholar   +1 more source

Complex examination of the Upper Paleozoic siliciclastic rocks from southern Transdanubia, SW Hungary—Mineralogical, petrographic, and geochemical study [PDF]

open access: yes, 2007
A vertical section of Upper Paleozoic sandstones from southern Transdanubia (Mecsek-Villány area, Tisza mega-unit, Hungary) has been analyzed for major and trace elements, including rare earth elements (REEs).
Nesbitt   +34 more
core   +1 more source

New parasitic organisms in a productid brachiopod Eomarginifera lobata from the lower Carboniferous of the Moscow Basin, Russia [PDF]

open access: yesActa Palaeontologica Polonica
Bioclaustrations are among the best ways that parasitic associations are preserved. A new bioclaustration, Haplorygma productidophilia csp. nov., is here described from the ventral interior of the Carboniferous productid brachiopod Eomarginifera lobata ...
Olev Vinn   +2 more
doaj   +1 more source

The Brécy depocenter as part of a new northern Massif Central Carboniferous–Permian Basin (France)

open access: yesComptes Rendus. Géoscience, 2023
The reinterpretation of deep wells and the reprocessing and interpretation of 115 km of industrial seismic lines can be used to update the geometry, depositional environments and tectonic evolution of the Carboniferous–Permian Brécy depocenter (southwest
Beccaletto, Laurent, Bourquin, Sylvie
doaj   +1 more source

Palaeomagnetism and magnetostratigraphy of the Permian and Triassic of Spitsbergen : a review of progress and challenges. [PDF]

open access: yes, 2008
Permian and Triassic sediments from Svalbard provide a testing ground for evaluating concepts about the polarity and configuration of the geomagnetic field during the Palaeozoic–Mesozoic transition.
Hounslow, Mark W., Nawrocki, Jerzy
core   +1 more source

The Lower Carboniferous Rocks of Cumberland [PDF]

open access: yesGeological Magazine, 1922
On glancing over back numbers of the GeologicalMagazine after eight months' residence abroad, I have been much interested to find a paper by Mr. C. Edmonds on the Carboniferous Limestone of West Cumberland.
openaire   +2 more sources

I.—On a new Species of Eurypterus from the Lower Carboniferous Shales of Glencartholm, Eskdale, Scotland

open access: yesGeological Magazine, 1887
Some time since, in the summer of 1884, Mr. Jex, a collector of fossils employed by Mr. Robert Damon, F.G.S., of Weymouth, obtained from the Lower Carboniferous Shales of Eskdale, a new and most interesting form of Merostomatous Crustacean belonging to ...
H. Woodward
semanticscholar   +1 more source

Basaltic maar-diatreme volcanism in the Lower Carboniferous of the Limerick Basin (SW Ireland) [PDF]

open access: yes, 2015
Lead-zinc exploration drilling within the Limerick Basin (SW Ireland) has revealed the deep internal architecture and extra-crater deposits of five alkali-basaltic maar-diatremes.
Gernon, T.M.   +5 more
core   +1 more source

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