Results 101 to 110 of about 4,338 (216)

La zone à Caryorhynchus Tumidus, zone nouvelle de la partie supérieure du Frasnien [PDF]

open access: yes, 1974
Two zones are recognized : one, the Caryorhynchus tumidus Zone, in the upper part of the Frasnian in the Belgian and French « Fagne », the western «Famenne» and near Aachen; the other, the Caryorhynchus Zone, in the middle and upper part of the Frasnian ...
Sartenaer, P.
core  

A palynological investigation of samples from the Devonian of SW England [PDF]

open access: yes, 2006
The results of a palynological investigation aimed at determining the ages of 17 samples from the Devonian of SW England are reported. A key element in the extraction of determinable spores from these samples was successful oxidation of the material ...
Molyneux, S.G.
core  

A new Groenlandaspidid Arthrodire (Vertebrata: Placodermi) from the Famennian of Belgium [PDF]

open access: yes, 2005
A new species of the arthrodire genus Groenlandaspis is described from the upper part of the Evieux Formation (Upper Famennian), based on several specimens collected from quarries at Modave and Villers-le-Temple,Liège Province, Belgium.
Clément, G, Janvier, P
core   +1 more source

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

Givetian [PDF]

open access: yes, 2006
The Givetian Stage in the Givet area is represented by the main part of the Hanonet Fm, the Trois-Fontaines Fm, the Terres d'Haurs Fm, the Mont d'Haurs Fm, the Fromelennes Fm and the lowest part of the Nismes Fm.
Brice, D., Bultynck, P., Préat, A.
core  

Geological prerequisites for the search for rocks with increased reservoir properties in domanic type sediments on the territory of the Republic of Tatarstan

open access: yesGeoresursy
Domanic type deposits generally is abundant in Tatarstan Republic and other territories. They are feature with oil-source rocks (black shales), which partly generated hydrocarbons.
V. P. Morozov   +9 more
doaj   +1 more source

Devonian of the Aran Valley Synclinorium, Central Pyrenees, Spain: stratigraphical and paleontological data [PDF]

open access: yes, 1991
In the Aran Valley Synclinorium, situated in the Axial Zone of the Pyrenees, a Devonian succession crops out. This succession has been studied in three localities, two on its southern limb and one on the northern one.
Arbizu, Miguel   +2 more
core   +1 more source

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