Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Leonid E. Popov"'
Autor:
J. Javier Álvaro, Lars E. Holmer, Yanan Shen, Leonid E. Popov, Mansoureh Ghobadi Pour, Zhifei Zhang, Zhiliang Zhang, Per Ahlberg, Heikki Bauert, Laura González-Acebrón
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-15 (2022)
Abstract Two massive precipitation events of polymetallic ore deposits, encrusted by a mixture of authigenic carbonates, are documented from the Cambrian of the semi-enclosed Baltoscandian Basin. δ34S (‒9.33 to ‒2.08‰) and δ33S (‒4.75 to
Externí odkaz:
https://doaj.org/article/f4087f72d35f4a16b50058807859d4ae
Publikováno v:
Estonian Journal of Earth Sciences, Vol 72, Iss 1, Pp 154-0 (2023)
Trace fossils of the ichnogenera Cruziana and Rusophycus are described for the first time from the Lower Ordovician of Baltica. These specimens were found from the upper Tremadocianâlower Floian glauconite sandstone of the Leetse Formation in the Le
Externí odkaz:
https://doaj.org/article/e1eb89d353204baf937b73b700ea68bd
Publikováno v:
Estonian Journal of Earth Sciences, Vol 72, Iss 1, Pp 132-0 (2023)
Siphonotretoids are presently placed within the subphylum Linguliformea and the class Lingulata, where they constitute a small, relatively short-lived superfamily and order, appearing near the end of the mid-Cambrian, with most forms becoming extinct
Externí odkaz:
https://doaj.org/article/6dc74ed57b0c40719d4a9217c533a9af
Publikováno v:
BMC Evolutionary Biology, Vol 18, Iss 1, Pp 1-15 (2018)
Abstract Background Our understanding of the ontogeny of Palaeozoic brachiopods has changed significantly during the last two decades. However, the micromorphic acrotretoids have received relatively little attention, resulting in a poor knowledge of
Externí odkaz:
https://doaj.org/article/ed1b757a7cad45289fd889053e253e58
Autor:
Mohammad-Reza Kebria-ee Zadeh, Mansoureh Ghobadi Pour, Leonid E. Popov, Christian Baars, Hadi Jahangir
Publikováno v:
Estonian Journal of Earth Sciences, Vol 64, Iss 2, Pp 121-139 (2015)
Restudy of the Cambrian–Ordovician boundary beds, traditionally assigned to the Mila Formation Member 5 in Mila-Kuh, northern Iran, for the first time provides convincing evidence of the Early Ordovician (Tremadocian) age of the uppermost part of t
Externí odkaz:
https://doaj.org/article/65432cda541449bfb9bf6b6a8a9eb0df
Publikováno v:
Estonian Journal of Earth Sciences, Vol 61, Iss 2, Pp 82-104 (2012)
A Llandovery (mid-upper Aeronian) brachiopod fauna is described for the first time from the Niur Formation of Central Iran. It is dominated by two succeeding rhynchonellide species Stegocornu procerum Dürkoop, 1970 and Stegocornu denisae sp. nov. In
Externí odkaz:
https://doaj.org/article/1df4356448d34d5a878210a2ea728191
Publikováno v:
Estonian Journal of Earth Sciences, Vol 60, Iss 2, Pp 65-82 (2011)
Six linguliform and two rhynchonelliform brachiopods, including three new species Eurytreta ahmadii, Wahwahlingula kharbashi and Nanorthis bastamensis are described from Tremadocian strata (Paltodus deltifer deltifer conodont Biozone) in the Deh-Moll
Externí odkaz:
https://doaj.org/article/54e0c0b01f214c17864df7ddfb21b7d1
Autor:
Mansoureh Ghobadi Pour, Leonid E. Popov, Aleksey I. Kim, Zoja M. Abduazimova, Alexander V. Mikolaichuk, Irina A. Kim, Narima Ospanova, Maya V. Erina, Firuza A. Salimova, Inna Klishevich, Mirzo S. Saidov, Nodirzhon H. Davlatov, Nuriddin H. Abdiyev, Oybek Ya Koldybekov, Dmitriy Gordeev, Shohmuhammad T. Rustamov, Shokhrukh B. Yangiboev
Publikováno v:
Geological Society, London, Special Publications. 533:313-344
The region of Kyrgyzstan, Tajikistan and Uzbekistan includes five first-order tectonic units with an Early Paleozsoic sedimentary record, comprising North Tien Shan, Karatau Naryn, Turkestan–Alai, Zeravshan–Hissar and the Central Pamirs. Availabl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::890a719fe4b9415d154f0b1ab07652f2
https://doi.org/10.1144/sp533-2022-52
https://doi.org/10.1144/sp533-2022-52
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789819906505
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92e2c657505ff2847723ed0d77506dd3
https://doi.org/10.1007/978-981-99-0651-2_7
https://doi.org/10.1007/978-981-99-0651-2_7
Autor:
L. Robin M. Cocks, Leonid E. Popov
Publikováno v:
Geological Magazine. 158:2187-2208
During the Early Ordovician Epoch, the Mediterranean brachiopod Province was extensive in the higher-latitude sectors of the globe in the Southern Hemisphere. The latter was much occupied by the massive continent of Gondwana, which stretched from nor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f29a86de0429070d6786cef07b84b482
https://doi.org/10.1017/s001675682100073x
https://doi.org/10.1017/s001675682100073x