Results 121 to 130 of about 1,487,618 (230)

Some Devonian stromatoporoids from Esterhazy shaft, Saskatchewan.

open access: yes, 1966
Stromatoporoids from the Esterhazy Shaft, Saskatchewan, collected from the Duperow formation (lower Upper Devonian), Souris River formation, First Red Bed and Dawson Bay formation (Middle Devonian) are found between depths of 1,987 feet and 3,058. 9 feet.
Shah, Dasharathlal Hiralal.
core  

Sedimentological analysis and hydrocarbon potential of the upper devonian-lower carboniferous Tahara sandstones, ghadames basin, western Libya [PDF]

open access: yes, 1998
The Palaeozoic (Upper Devonian-Lower Carboniferous) Tahara Formation, western Libya, was deposited in shallow-water, marginal and nearshore marine environments influenced by waves and storms.
Burki, Milad Mohamed Milad
core  

Geochemical Evidence of First Forestation in the Southernmost Euramerica from Upper Devonian (Famennian) Black Shales. [PDF]

open access: yesSci Rep, 2019
Lu M   +8 more
europepmc   +1 more source

Upper Devonian in Devonshire [PDF]

open access: yesGeological Magazine, 1880
openaire   +1 more source

Early representatives of bryozoans from genus Nikiforovella Nekhoroshev, 1948 and their stratigraphical significance for Late Devonian-Early Carboniferous

open access: yesЛитосфера, 2017
The arm of the present paper is to evaluate the significance of species from genus Nikiforovella for stratigraphy of Devonian-Carboniferous boundary from different regions of Eurasia.
Zoya A. Tolokonnikova
doaj  

Upper Givetian and Frasnian (Middle and Upper Devonian)conodonts from Ampriú (Aragonian Pyrenees, Spain): global correlations and palaeogeographic relations

open access: yes
This report describes for the first time a part of the Middle and Upper Devonian conodont sequence of the Sierra Negra Subfacies in the Aragonian Pyrenees (Spain), establishing the basis for further sound correlations both across the distinct Pyrenean ...
Valenzuela Ríos, José Ignacio   +1 more
core   +1 more source

Devonian-Carboniferous boundary beds in the Vorkuta transverse uplift (Bolshaya Usa River)

open access: yes, 2018
The paper contains multidisciplinary data on the lithology and palaeontology of the Devonian–Carboniferous boundary beds in the shallow-water facies in the Bolshaya Usa River section (Vorkuta Uplift). A recent discussion on the position and marker of the
Y.A. Vevel   +3 more
core  

Some features of composition and genesis of terrigenous rocks of kolganskaya strata

open access: yesRUDN Journal of Engineering Research, 2012
The article is about Upper Devonian kolganskaya strata formed in delta front. Gamma-active benchs presented by clay deposits, were marked at the bottom of the kolganskaya strata, and its may be a good cap-rocks for the lower-lying rocks.
N V Pavlinova, V M Usova
doaj  

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