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Pre-orogenic connection of the foreland domains of the Kaoko–Dom Feliciano–Gariep orogenic system

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F21%3A00000041" target="_blank" >RIV/00025798:_____/21:00000041 - isvavai.cz</a>

  • Alternative codes found

    RIV/67985831:_____/21:00536855

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0301926820306495" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0301926820306495</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.precamres.2020.106060" target="_blank" >10.1016/j.precamres.2020.106060</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Pre-orogenic connection of the foreland domains of the Kaoko–Dom Feliciano–Gariep orogenic system

  • Original language description

    Neoproterozoic metasedimentary rocks in the foreland domains of the Kaoko–Dom Feliciano–Gariep orogenic system record sedimentation from the breakup of Rodinia to the amalgamation of Gondwana, and thus provide ideal subjects for investigation of the mutual pre-orogenic positions of rifted margins of the African and South American cratonic blocks. U–Pb isotopic dating of zircon in the Brusque Complex of the northern Dom Feliciano Belt, Brazil, provides new constraints on the timing and sources of Neoproterozoic sedimentation along the eastern margin of the Luis Alves Craton. The minimum age of sedimentation is constrained by a U–Pb zircon age of 811 ± 6 Ma from a dyke cross-cutting the Brusque Complex. U–Pb detrital zircon analysis reveals two distinct groups: one with ages ca. 2.2–2.0 Ga consistent with erosion of the adjacent Luis Alves Craton, and another withages ca. 2.1–1.8 and 1.6–1.0 Ga consistent with erosion of Paleoproterozoic to Mesoproterozoic igneous provinces and/or supracrustal sequences at the edge of the Congo Craton. The age distributions match with analogous rocks of the central Dom Feliciano Belt and the Kaoko Belt, and show similarities with the Gariep Belt, suggesting deposition in a system of coeval and spatially related paleobasins around the time of Rodinia breakup. The absence of Neoproterozoic detrital zircon close to the age of sedimentation suggests deposition in an intracontinental rift or passive margin. A third group contains a significant proportion of Neoproterozoic ca. 670–560 Ma zircon, suggesting similarities with the adjacent Itajaí Basin syn-orogenic foreland sedimentary rocks. This indicates that foreland basin sediments were partly tectonically interleaved with the pre-orogenic metasedimentsof the Brusque Complex during late-stage orogenic deformation. The findings support an intracontinental rifting model for the formation of the Kaoko–Dom Feliciano–Gariep basin system. The data further indicate that the LuisAlves Craton was in close proximity to the Congo Craton, and likely with the Nico P´erez Terrane and the Kalahari Craton, at the onset of Tonian rifting and the breakup of Rodinia.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10505 - Geology

Result continuities

  • Project

    <a href="/en/project/GA18-24281S" target="_blank" >GA18-24281S: Did the West-Gondwana orogens form by inversion of long-lived rift domains?</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Precambrian Research

  • ISSN

    0301-9268

  • e-ISSN

  • Volume of the periodical

    354

  • Issue of the periodical within the volume

    March :106060

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    20

  • Pages from-to

    nestránkováno

  • UT code for WoS article

    000615712000023

  • EID of the result in the Scopus database

    2-s2.0-85098718888