Results 11 to 20 of about 675 (175)

Marine Anoxia and Ocean Acidification During the End‐Permian Extinction

open access: yesGeophysical Monograph Series, Page 325-340., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Ying Cui   +4 more
wiley  

+5 more sources

New group of the Early Palaeozoic conodont-like fossils [PDF]

open access: yesEstonian Journal of Earth Sciences, 2015
The paper is devoted to the Upper Cambrian and Tremadocian organophosphatic microfossils which were hitherto treated as conodonts and assigned mainly to the genera Coelocerodontus and Viirodus.
Hubert Szaniawski
doaj   +1 more source

General regularities in the development Gzhelian-Asselian conodonts

open access: yesЛитосфера, 2020
Subject of study. The features of the evolutionary changing of Gzhelian-Asselian conodonts are examined. Materials. The data on Ural and North American conodonts are used. Results.
V. V. Chernykh
doaj   +1 more source

The detailed Middle to early Late Ordovician faunal succession and δ13Ccarbon chemistry of the Kårehamn drill core, offshore eastern Öland, Sweden: implications for stratigraphy and correlation [PDF]

open access: yesEstonian Journal of Earth Sciences, 2023
The Middle to lower Upper Ordovician stratigraphy of the Kårehamn core, drilled ca 7 km offshore to the east of the Kårehamn village, northeastern Öland, is presented. The investigated core is one of four drill cores obtained during the preparation of
Svend Stouge   +4 more
doaj   +1 more source

Lower and Middle Ordovician conodonts from the subsurface of SE Estonia and adjacent Russia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2011
The distribution of conodonts in the Lower–Middle Ordovician beds was studied in five drill core sections of south­eastern Estonia. Ten conodont zones and six subzones, from the Paroistodus proteus Zone to the Eoplacognathus lindstroemi Subzone, were ...
Viive Viira
doaj   +1 more source

Late Carboniferous biota from the Ljubija iron mine area, Bosnia and Herzegovina

open access: yesGeologija, 2021
The Olistostrome member of the Sana-Una Paleozoic complex of the Ljubija ore mine in Bosnia and Herzegovina contains limestone fragments of pebble to block size that have been examined paleontologically. The recovered conodont fauna of the first sample
Aleksej MILOŠEVIĆ   +5 more
doaj   +1 more source

Сonodonts from the boundary Artinskian-Kungurian deposits of Mechetlino section (Bashkortostan, the Southern Urals) Article I. Characteristic of the conodont associations

open access: yesЛитосфера, 2018
The description of the section of Artinskian-Kungurian boundary deposits on Yuryuzan River right coast near the village Mechetlino is given. The low systematic diversity and vare low frequency of conodonts in the Artinskian-Kungurian interval in the ...
Valerii V. Chernykh
doaj   +1 more source

On the Conodonts

open access: yesAnnals and Magazine of Natural History, 1887
n ...
Rohon, M.-M. J. V., von Zittel, K. A.
openaire   +3 more sources

Сonodonts from the boundary Artinskian-Kungurian deposits of Mechetlino section (Bashkortostan, the South Urals). Article II. Stratigrafic distribution of conodonts

open access: yesЛитосфера, 2018
The images of the species of conodonts from the section of boundary Artinskian-Kungurian deposits on by right to coast Yuryuzan River near the village Mechetlino are given and commented.
Valerii V. Chernykh
doaj   +1 more source

Microfossils from Middle Triassic beds near Mišji Dol, central Slovenia

open access: yesGeologija, 2023
Middle Triassic beds exposed along the road between Mišji Dol and Poljane pri Primskovem (Posavje Hills) comprise marlstone, tuff, volcaniclastic sandstone, and thin- to medium-bedded limestone and dolostone.
Katja Oselj   +3 more
doaj   +1 more source

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