Results 81 to 90 of about 2,119,061 (274)

An assessment of the groundwater resources based on infiltration recharge hydrogeological modeling

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2016
An assessment of the natural groundwater resources (GWR) of Devonian (middle and upper Famennian) aquifer was made in the area of research-assessment works for Smolensk city water supply.
S. O. Grinevskiy   +2 more
doaj   +1 more source

A sequence-stratigraphic framework for the Upper Devonian Woodford Shale, Permian Basin, west Texas

open access: yes, 2014
Criteria for recognizing stratigraphic sequences are well established on continental margins but more challenging to apply in basinal settings. We report an investigation of the Upper Devonian Woodford Shale, Permian Basin, west Texas based on a set of ...
Nikki T. Hemmesch   +3 more
semanticscholar   +1 more source

Upper Devonian miospores from the Escuminac Formation, eastern Québec, Canada [PDF]

open access: yes, 1970
Miospores of early Frasnian age are described from the third unit of the Escuminac Formation in eastern Québec, Canada. The assemblage comprises 34 species, including 8 species proposed as new, 2 new combinations, and 12 sparsely represented forms not ...
Wayne W. Brideaux, Norman W. Radforth
core   +1 more source

Late Famennian correlation by miospores between the Refrath 1 borehole (Bergisch Gladbach-Paffrath Syncline, Germany) and the reference section of Chanxhe (Dinant Syncline, Belgium)

open access: yesCarnets de Géologie, 2005
The Bergisch Gladbach-Paffrath Syncline and the Dinant Syncline are both part of the Ardennes-Rhenish Massif but are separated by some 100 km. In the Upper Devonian succession of the Bergisch Gladbach-Paffrath Syncline (The Bergisches Land), the ...
Hartkopf-Fröder Christoph   +1 more
doaj  

Devonian plates. [PDF]

open access: yes, 1913
Lower devonian plates xvii-xcviii.--Middle devonian plates vii-xliv.--Upper devonian plates xlv-lxxiii.Mode of access ...
Maryland Geological Survey.
core  

Stratigraphy of the Upper Devonian - Lower Carboniferous of south-west of Lyzha-Kyrtael swell (Pechora Plate eastward) [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2023
A new local stratigraphic scheme is proposed for the upper Famennian - Serpukhovian interval of the south-west of Lyzha-Kyrtael Swell. The stratigraphic sequence is composed of the Famennian carbonates of the Kamenka Formation, the Famennian - middle ...
Zhuravlev A.V.
doaj  

Upper Devonian corals of the Canadian Cordilleran region [PDF]

open access: yes, 1954
Preliminary to the descriptions of genera and species is a very brief discussion of coral terminology and classification. The thesis embodies descriptions and illustrations of 29 genera and 42 species of fossil corals, reported in the literature to ...
Thomlinson, Arnold Gordon
core  

BARITE, HEMATITE AND CINNABAR ORE DEPOSITS IN THE DUSINA AREA, MID-BOSNIAN SCHIST MOUNTAINS

open access: yesRudarsko-geološko-naftni Zbornik, 1996
In the Dusina area, which is built up of Lower Palaeozoic metasediments, Devonian carbonate complex and Upper Palaeozoic metarhyolites unconformab1y overlain by Upper Permian sediments, numerous ore occurrences have been investigated: (a) "stratabound ...
Ivan Jurković
doaj  

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

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  

The Timan-Pechora basin. The structure and main stages of development

open access: yesGeoresursy, 2017
The lack of complete inheritance in the history of the Timan-Pechora basin development has led to a discrepancy between the basement surface plans and the individual sub-levels and their complexes. In the lower part of the section, the structures inherit
A.V. Stoupakova
doaj   +1 more source

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