Results 91 to 100 of about 4,338 (216)

Specific features of carbon and oxygen stable isotopes (δ13C and δ18O) geochemistry in the isolated carbonate platform section on the east of the Urals (the Famennian and Tournaisian Stages)

open access: yesЛитосфера, 2016
New data about the stable carbon and oxygen isotopic composition for the Frasnian/Famennian and Devonian/Carboniferous boundary intervals, as well as for middle and upper parts of the Tournasian Stage (the Lower Carboniferous), are represented in this ...
G. A. Mizens   +4 more
doaj   +2 more sources

First occurrence of Lingulepis (Brachiopoda-Obolidae) from the Devonian of the Paraná state, Brazil [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2010
The brachiopod fauna of the Paraná State Devonian sucession (Neo-Lochkovian – Frasnian) is known for a long time. In the present paper a new species of Brachiopoda, Lingulepis wagoneri sp. nov.
Elvio Pinto Bosetti   +4 more
doaj  

Towards a palaeogeographical and sequential framework for the Givetian of Belgium [PDF]

open access: yes, 2009
This paper starts with a review of facies and reef morphologies from the Givet Group in the Ardenne area. Platform initiation and evolution are analyzed and related to external factors at a global scale (sea level changes, climate changes), at a regional
Boulvain, F.   +3 more
core  

Autopsy of a biological extinction example: the Frasnian-Famennian boundary crisis (364 Ma) [PDF]

open access: yes, 1999
Without studying the causes of the F/F boundary mass extinction, the precise analysis of ostracod species shows evolutionary process only discernable it the global scale.
Casier, J.G., Lethiers, F.
core  

Middle Frasnian (Devonian) ostracods from the Frasnes railway section (Dinant Synclinorium, Belgium); taxonomy, biostratigraphy, paleoecology [PDF]

open access: yes, 2008
Eighty-nine samples have been collected for ostracods, from the stratotypes for the upper part of the Moulin Liénaux Formation and the Grands Breux Formation, in the Frasnes railway section.
Casier, J.-G., Olempska, E.
core  

Functional consequences of Palaeozoic reef collapse. [PDF]

open access: yesSci Rep, 2022
Bridge TCL   +4 more
europepmc   +1 more source

The Upper Devonian palynostratigraphy and organic matter maturation of the Pulo do Lobo Domain, South Portuguese Zone, Portugal [PDF]

open access: yes, 2014
Palynostratigraphic research in the Pulo do Lobo Domain, South Portuguese Zone, Iberian Variscides, allows the age revision and the following correlations among the composing stratigraphic units: the Pulo do Lobo and Atalaia Formations exhibit ...
Fernandes, Paulo   +2 more
core  

Author Correction: Functional consequences of Palaeozoic reef collapse. [PDF]

open access: yesSci Rep, 2022
Bridge TCL   +4 more
europepmc   +1 more source

Redescription of the rugose coral Macqeea (Rozkowskaella) sandaliformis (Rozkowska, 1980) from the Upper Frasnian of het Holy Cross Mountains (Poland) [PDF]

open access: yes, 1991
The discovery of horseshoe dissepiments at the base of some coralla of Trigonella sandaliformis ROZKOWSKA, 1980, type species of Rozkowskaella WRZOLEK, 1987 from the Upper Frasnian of Poland, leads to consider this taxon as a subgenus of Macgeea WEBSTER,
Coen-Aubert, M., Wrzolek, T
core  

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