Results 21 to 30 of about 63,261 (236)

Dolocretes in the uppermost Famennian to Mississippian siliciclastic deposits (Šķervelis Formation, Latvia) [PDF]

Estonian Journal of Earth Sciences, 2023
Siliciclastic deposits and dolostones of the Å Ä·ervelis Formation in southwestern Latvia were studied in outcrops, polished slabs, thin sections, and by geochemical methods, including stable isotope analyses.
Daiga Pipira, Lauma Ķeipāne, Ģirts Stinkulis, Ilze Vircava, Tõnu Martma   +4 more
doaj   +1 more source

Sedimentological constraints on the late Silurian history of the Highland Boundary Fault, Scotland : Implications for Midland Valley Basin development [PDF]

, 2015
Peer ...
Hartley, Adrian J., Leleu, Sophie
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About the structure of the Kama-Kinel trough system

Известия высших учебных заведений: Геология и разведка, 2019
Kama-Kinel Trough System (KKTS) — the structure formed in the Frasnian of the Late Devonian in the vast territory of the Volga-Ural province, is distinguished by the Upper Devonian — Lower Carboniferous deposits.
E. N. Gorozhanina, V. M. Gorozhanin, D. E. Zagranovskaya, O. A. Zakharova   +3 more
doaj   +1 more source

Indigenous demosponge spicules in a Late Devonian stromatoporoid basal skeleton from the Frasnian of Belgium [PDF]

, 2014
This paper records the first example of a demosponge spicule framework in a single specimen of a Devonian stromatoporoid from the Frasnian of southern Belgium.
Alvarez, Boulvain, Boulvain, Böhm, Chatterton, Da Silva, Da Silva, Debrenne, Erpenbeck, Erpenbeck, Erpenbeck, Gazave, Goldfuss, Gray, Haase-Schramm, Hartman, Hartman, Hooper, Hudson, Jackson, Jackson, Jochum, Kazmierczak, Kazmierczak, Kazmierczak, Kazmierczak, Kershaw, Lister, Mistiaen, Morrow, Reitner, Reitner, Reitner, Reitner, Reitner, Silva, Stearn, Stearn, Stearn, Stock, Uriz, Vacelet, Vasconcelos, Vortisch, Wood, Wood, Wood, Wood, Wood, Wörheide, Wörheide, Özdikmen   +51 more
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THE MIOCENE AND DEVONIAN MAGMATISM AT THE JUNCTION BETWEEN THE TUVA-MONGOLIAN MASSIF AND SIBERIAN CRATON: COMMON COMPONENT OF MANTLE SOURCES AND ITS ORIGIN

Геодинамика и тектонофизика, 2015
Devonian dikes of the Urik-Belaya and Shagayte-Gol-Urik zones and Miocene lavas of the Urik volcanic field are spatially associated with each other at the structural junction between the Neoproterozoic Tuva-Mongolian massif and Siberian craton.
Sergey V. Rasskazov, Aigul M. Il'yasova, Tatiana A. Yasnygina, Nikolay N. Fefelov   +3 more
doaj   +1 more source

New investigations of Upper Devonian wood from the north of the European part of Russia

Acta Palaeobotanica, 2020
The paper describes a continuation of our research on the distribution of archaeopteridalean plants in the north of the European part of the Russian Federation.
Anna Lyubarova, Sergey M. Snigirevsky
doaj   +1 more source

Polish Palaeobotany: 750 Million Years of Plant History as Revealed in a Century of Studies. Palaeozoic Macrofossils

Acta Societatis Botanicorum Poloniae, 2022
During the Palaeozoic Era, plants conquered the land and covered greater and greater areas from coastal lowlands to highlands. Palaeobotanical data based on macroremains from Polish Palaeozoic strata complete and enrich the picture of these processes ...
Grzegorz Pacyna, Maria Barbacka
doaj   +1 more source

The fate of the homoctenids (Tentaculitoidea) during the Frasnian-Famennian mass extinction (Late Devonian) [PDF]

, 2006
The homoctenids (Tentaculitoidea) are small, conical-shelled marine animals which are amongst the most abundant and widespread of all Late Devonian fossils.
Alberti GKB, Babin C, Becker RT, Blumenstengel H, Bond DPG, Boueek B, Buggisch W, Dzik J, Farsan NM, Feist R, Fisher DW, Freyer G, Grabau AW, Hajlasz B, Hallam A, Jansen U, Klapper G, Lardeux H, Li YX, Li YX, Ludvigsen R, Lutke F, Lyashenko GP, Lyashenko GP, Lyashenko GP, Lyashenko GP, McLaren DJ, Morrow JR, Over DJ, Racki G, Racki G, Raup DM, Roemer FA, Ruchholz K, Sandberg CA, Sandberg CA, Sauerland U, Schindler E, Scotese CR, Sepkoski JJ, Sherrard K, Truyols-Massoni M, Tunnicliff SP, Walliser OH, Walliser OH, Weedon MJ, Yochelson EL, Zagora K, Zhang R   +48 more
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Geochemistry and origin of organic-rich sediment veins in fractured granitic basement, Helmsdale, Sutherlandshire, UK [PDF]

, 2017
Acknowledgements MB is in receipt of a PhD studentship from the Petroleum Technology Development Fund of Nigeria. LB is supported by NERC grant NE/M010953/1. C. Taylor, W. Ritchie and J. Johnston provided skilled technical support.
Baba, Mas'Ud, Bowden, Stephen, Bullock, Liam, Parnell, John   +3 more
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Extent and duration of marine anoxia during the Frasnian– Famennian (Late Devonian) mass extinction in Poland, Germany, Austria and France [PDF]

, 2004
– The intensity and extent of anoxia during the two Kellwasser anoxic events has been investigated in a range of European localities using amultidisciplinary approach (pyrite framboid assay, gamma-ray spectrometry and sediment fabric analysis).
Bond, D.P.G., Racki, G., Wignall, P.B.
core   +1 more source