Results 81 to 90 of about 2,106 (218)

Palynology, palynofacies and hydrocarbon potential of the Cretaceous rocks of northern Egypt [PDF]

open access: yes, 2009
Recent hydrocarbon exploration in the Egyptian northern Western Desertand the Gulf of Suez have revealed relatively rich hydrocarbon accumulations,mainly of gas, and demonstrates promising future prospects.
Deaf, Amr Said
core  

Conodont evolution and stratotype sign of carboniferous Tournaisian-Visean boundary in South China

open access: yes, 2005
A stratotype section, boundary point and conodont sign have been recommended for GSSP of the Tournaisian-Visean boundary, based on studies of sectional sedimentology, conodont facies and phylogeneses in South China.
Tian, SG, Coen, Michel
core   +1 more source

Intercalibration of Boreal and Tethyan timescales: the magneto-biostratigraphy of the Middle Triassic and the latest Early Triassic from Spitsbergen, Arctic Norway [PDF]

open access: yes, 2008
An integrated bio-magnetostratigraphic study of the latest Early Triassic to the upper parts of the Middle Triassic, at Milne Edwardsfjellet in central Spitsbergen, Svalbard, allows a detailed correlation of Boreal and Tethyan biostratigraphies.
Mork, Atle   +8 more
core   +1 more source

Organic-walled phytoplankton biostratigraphy of the Eocene-Oligocene transition in the Kallo borehole and the Rupelian stratotype area (northwestern Belgium)

open access: yes, 1999
A detailed study of the assemblages of organic-walled phytoplankton in the Eocene-Oligocene transition beds in the Kallo borehole and its comparison with the assemblages around the same transition in boreholes at Niel, Hingene-Wintham and Terhagen (the ...
De Coninck, J.
core  

The regional stratotype section and point for the base of the Hirnantian Stage (the uppermost Ordovician) at Mirny Creek, Omulev Mountains, Northeast Russia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2008
A complete Hirnantian sequence comprising the Normalograptus extraordinarius and N. persculptus biozones is well developed at the Mirny Creek section in the Omulev Mountains.
Koren, Tatyana N.   +1 more
doaj  

Quaternary Lives

open access: yesGeologija, 2007
After a short-lived »ban«, the Quaternary has again been formalized as a chronostratigraphic unit, consisting of the Pleistocene and the Holocene.
Miloš Bavec
doaj  

Sections in the western slope of the south urals perspective for the choice of the famennian regional boundary stratotype point

open access: yesЛитосфера, 2015
The Bol’shaya Barma, Akkyr, Ryauzyak and Kuk-Karauk sections in the western slope of the South Urals are considered to be perspective sections for the identification of Famennian Regional Boundary Stratotype Point (RBSP).
R. Ch. Tagarieva, A. G. Mizens
doaj   +2 more sources

The Gargasian (Middle Aptian) of La Tuilière - St-Saturnin-lès-Apt (area of the Aptian historical stratotype, Vaucluse, SE France): geographic setting and outcrop correlation

open access: yesCarnets de Géologie, 2006
A stratonomic and micropaleontological analysis of the Aptian marls cropping out in the La Tuilière area near Saint-Saturnin-lès-Apt (Vaucluse, SE France), enabled us to reconstitute a continuous succession almost 120 m thick, that includes the upper ...
Moullade Michel   +3 more
doaj  

Lutetian Stratotype

open access: yes
Avec l\u27Île-de-France comme région stratotype, le Lutétien est un étage géologique internationalement reconnu, voire célèbre. Les fossiles qu\u27on y trouve, les monuments construits avec la pierre de cet âge et les personnages historiques qui s\u27y ...

Auteur

MERLE   +1 more

core  

ОПРЕДЕЛЕНИЕ ЯРУСНЫХ ГРАНИЦ МЕЖДУНАРОДНОЙ СТРАТИГРАФИЧЕСКОЙ ШКАЛЫ ПО КОНОДОНТАМ

open access: yesЛитосфера, 2019
Рассматривается процедура определения нижней границы ярусов в нижнем отделе пермской системы по конодонтам с учетом рекомендаций Международной комиссии по стратиграфии по выбору «точки глобального стратотипа границы» (Global Stratotype Section and Point)

doaj  

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