Results 61 to 70 of about 8,625 (202)

Conodont dating of some Telychian (Silurian) sections in Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2008
Several Telychian–Sheinwoodian strata exposed in Estonia are precisely dated using conodont biostratigraphy. The beds in the Valgu-1 section correspond to the uppermost Distomodus staurognathoides and Pterospathodus eopennatus ssp. n. 1 zones.
Männik, Peep
doaj  

Triassic conodonts of the Slovenian Basin

open access: yesGeologija, 2007
Slovenian Basin was formed during the Ladinian following disintegration of the Slovenian Carbonate Platform. It persisted continuously until the Late Cretaceous.
Stanko Buser   +2 more
doaj  

High-resolution stratigraphy of the Changhsingian (Late Permian) successions of NW Iran and the Transcaucasus based on lithological features, conodonts and ammonoids

open access: yes, 2014
. The Permian–Triassic boundary sections in north-western Iran belong to the most complete successions, in which the largest mass extinction event in the history of the Earth can be studied.
A. Ghaderi   +4 more
semanticscholar   +1 more source

Limitotipes of Lower Sakmarian and Artinskian stages boundary in the Urals

open access: yesЛитосфера, 2015
The section Usolka and duplicating its section Dal’ny Tulkas (Bashkortostan) are proposed as the stratotypes of the Lower Sakmarian stage boundary and Lower Artinskian stage boundary of the International Stratigraphic scale.
V. V. Chernykh, B. I. Chuvashov
doaj   +2 more sources

Triassic deep-water sedimentation in the Bled Basin, eastern Julian Alps, Slovenia

open access: yesGeologija, 2019
The Bled Basin was a Middle Triassic–Early Cretaceous basin whose remnants are preserved in the eastern Southern Alps in western Slovenia. The early evolution of the basin is recorded in the Upper Ladinian to Lower Jurassic Zatrnik cherty limestone ...
Luka Gale   +5 more
doaj   +1 more source

Recent developments in the Upper Ordovician and lower Silurian conodont biostratigraphy in Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2007
The current state of and the latest developments in the conodont-based biostratigraphical studies of Upper Ordovician and lower Silurian strata in Estonia are discussed.
Männik, Peep
doaj  

Polytaxonomic and monotaxonomic zonal biochronological scales in biostratigraphy

open access: yesЛитосфера, 2016
The method of increasing the correlation potential of zonal biochronological scales by creating the polytaxonomic complex characteristic of zone subdivisions is proposed. For this operation is necessary the normative zonal scale, by which biozones of the
V. V. Chernykh, N. A. Kucheva
doaj  

Lower Silurian biostratigraphy of the Viirelaid core, western Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2007
The distribution of five groups of fossils in the upper Llandovery (Telychian) and Wenlock of the Viirelaid core section, Estonia, is presented and discussed in terms of their biozones (conodonts and chitinozoans) and mutual positions (scolecodonts ...
Nestor, Viiu   +6 more
doaj  

The Middle Carboniferous Boundary in the North of Pay-Khoy – Correlation between the Shallow- and Deep-Water Sequences [PDF]

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2017
The paper considers the Lower-Middle Carboniferous boundary interval in the sections of the Pay-Khoy carbonate parautochthone (shallow-water facies) and the Kara slate allochthone (deep-water facies) with respect to the boundary tracing criteria.
A.V. Zhuravlev, Ya.A. Vevel
doaj  

Temperature-driven heterochrony as a main evolutionary response to climate changes in conodonts. [PDF]

open access: yesProc Biol Sci, 2022
Souquet L   +5 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy