Kazan Federal University Digital Repository

A candidate for the Global Stratotype Section and Point at the base of the Serpukhovian in the South Urals, Russia

Show simple item record

dc.contributor.author Richards B.
dc.contributor.author Nikolaeva S.
dc.contributor.author Kulagina E.
dc.contributor.author Alekseev A.
dc.contributor.author Gorozhanina E.
dc.contributor.author Gorozhanin V.
dc.contributor.author Konovalova V.
dc.contributor.author Goreva N.
dc.contributor.author Joachimski M.
dc.contributor.author Gatovsky Y.
dc.date.accessioned 2018-04-05T07:09:24Z
dc.date.available 2018-04-05T07:09:24Z
dc.date.issued 2017
dc.identifier.issn 0869-5938
dc.identifier.uri http://dspace.kpfu.ru/xmlui/handle/net/129711
dc.description.abstract © 2017, Pleiades Publishing, Ltd. The Verkhnyaya Kardailovka section is one of the best candidates for the GSSP (Global Stratotype Section and Point) at the base of the Stage (Mississippian). For boundary definition, the first appearance of the conodont Lochriea ziegleri Nemirovskaya, Perret et Meischner, 1994 in the lineage Lochriea nodosa (Bischoff, 1957)−L. ziegleri is used. L. ziegleri appears in the Venevian Substage somewhat below the base of the Serpukhovian in the Moscow Basin. The position of the FAD of L. ziegleri within the Hypergoniatites−Ferganoceras Genozone is confirmed and lies between 19.53 and 19.63 m above the section’s base. Before 2010, deep-water stylonodular limestone containing the boundary in unnamed formation C at Kardailovka was well exposed but only 3 m of Viséan strata cropped out immediately below. Recent trenching exposed another 10 m of underlying Viséan carbonates in formation C and older Viséan siliciclastics and volcanics in unnamed formation B. The contact between formation B and underlying crinoidal limestones in unnamed formation A representing the middle Viséan Zhukovian (Tulian) regional Substage was excavated. The boundary succession, situated in the Magnitogorsk tectonic zone above the Devonian Magnitogorsk arc and Mississippian magmatic and sedimentary rift succession, was deposited west of the Kazakhstanian continent during closure of the Ural Ocean. In the lower part of the section, Viséan tuffaceous siliciclastics and volcanics of formation B record rapid deepening after deposition of neritic middle Viséan crinoid lime grainstone of formation A and subsequent subaerial exposure. The overlying condensed upper Viséan to Serpukhovian succession in formation C comprises deep-water limestone deposited in a sediment-starved basin recording minor turbidite influx and carbonate-mound development. The δ 13 C carb plot shows a positive shift of 1‰ V-PDB (from +2 to +3‰) between 17.0 and 17.75 m (3.05 and 1.97 m below FAD L. ziegleri). The δ 18 O apatite graph displays a prominent upward shift from 19.9 to 21.1‰ V-SMOW (at 19.15 to 19.51 m) in the nodosa Zone below FAD of Lochriea ziegleri.
dc.relation.ispartofseries Stratigraphy and Geological Correlation
dc.subject ammonoids
dc.subject conodonts
dc.subject foraminifers
dc.subject GSSP
dc.subject Lochriea ziegleri
dc.subject Serpukhovian
dc.subject South Urals
dc.subject Viséan
dc.title A candidate for the Global Stratotype Section and Point at the base of the Serpukhovian in the South Urals, Russia
dc.type Article
dc.relation.ispartofseries-issue 7
dc.relation.ispartofseries-volume 25
dc.collection Публикации сотрудников КФУ
dc.relation.startpage 697
dc.source.id SCOPUS08695938-2017-25-7-SID85040966646


Files in this item

This item appears in the following Collection(s)

  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

Show simple item record

Search DSpace


Advanced Search

Browse

My Account

Statistics