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Early Triassic conodonts and carbonate carbon isotope record of the Idrija-Žiri area, Slovenia

Chen, Yanlong; Kolar-Jurkovšek, Tea; Jurkovšek, Bogdan; Aljinović, Dunja and Richoz, Sylvain LU (2016) In Palaeogeography, Palaeoclimatology, Palaeoecology 444. p.84-100
Abstract


The first recovery of the conodont Hindeodus parvus from Žiri (Slovenia) a few years ago highlights this area for Early Triassic biostratigraphical study. Systematic sampling of five sections in the Idrija-Žiri area has yielded the new species Platyvillosus corniger sp. nov. and Neospathodus planus sp. nov. Based on these new species and other conodont elements collected here, nine discrete conodont Unitary Association (UA) zones are proposed for this area. In ascending order they are: Eurygnathodus costatus Zone (UA 1), Eurygnathodus hamadai Zone (UA 2), Foliella gardenae Zone (UA 3), Neospathodus robustus Zone (UA 4), Platyvillosus corniger Zone (UA 5), Platyvillosus regularis Zone (UA 6),... (More)


The first recovery of the conodont Hindeodus parvus from Žiri (Slovenia) a few years ago highlights this area for Early Triassic biostratigraphical study. Systematic sampling of five sections in the Idrija-Žiri area has yielded the new species Platyvillosus corniger sp. nov. and Neospathodus planus sp. nov. Based on these new species and other conodont elements collected here, nine discrete conodont Unitary Association (UA) zones are proposed for this area. In ascending order they are: Eurygnathodus costatus Zone (UA 1), Eurygnathodus hamadai Zone (UA 2), Foliella gardenae Zone (UA 3), Neospathodus robustus Zone (UA 4), Platyvillosus corniger Zone (UA 5), Platyvillosus regularis Zone (UA 6), Triassospathodus hungaricus Zone (UA 7), Triassospathodus symmetricus Zone (UA 8), and Neospathodus robustispinus Zone (UA 9). The conodont and δ
13
C data indicate that these conodonts span the Dienerian/Smithian (i.e. Induan/Olenekian) boundary interval to the Spathian, and they also indicate that Triassospathodus hungaricus Zone (UA 7) does not occur at the base of the Spathian. These conodont zones are valuable for stratigraphic correlation within Central and southern Europe, and they also promote a better correlation worldwide. Conodonts in the Idrija-Žiri area were adapted to a shallow-water environment in an epeiric ramp.

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author
publishing date
type
Contribution to journal
publication status
published
keywords
Biostratigraphy, Conodont, Early Triassic, Paleoecology, Slovenia
in
Palaeogeography, Palaeoclimatology, Palaeoecology
volume
444
pages
17 pages
publisher
Elsevier
external identifiers
  • scopus:84952910234
ISSN
0031-0182
DOI
10.1016/j.palaeo.2015.12.013
language
English
LU publication?
no
id
980e61ea-6003-4d96-be90-94ba222dbb7f
date added to LUP
2019-05-09 15:14:11
date last changed
2019-10-15 07:03:49
@article{980e61ea-6003-4d96-be90-94ba222dbb7f,
  abstract     = {<p><br>
                            The first recovery of the conodont Hindeodus parvus from Žiri (Slovenia) a few years ago highlights this area for Early Triassic biostratigraphical study. Systematic sampling of five sections in the Idrija-Žiri area has yielded the new species Platyvillosus corniger sp. nov. and Neospathodus planus sp. nov. Based on these new species and other conodont elements collected here, nine discrete conodont Unitary Association (UA) zones are proposed for this area. In ascending order they are: Eurygnathodus costatus Zone (UA 1), Eurygnathodus hamadai Zone (UA 2), Foliella gardenae Zone (UA 3), Neospathodus robustus Zone (UA 4), Platyvillosus corniger Zone (UA 5), Platyvillosus regularis Zone (UA 6), Triassospathodus hungaricus Zone (UA 7), Triassospathodus symmetricus Zone (UA 8), and Neospathodus robustispinus Zone (UA 9). The conodont and δ<br>
                            <sup>13</sup><br>
                            C data indicate that these conodonts span the Dienerian/Smithian (i.e. Induan/Olenekian) boundary interval to the Spathian, and they also indicate that Triassospathodus hungaricus Zone (UA 7) does not occur at the base of the Spathian. These conodont zones are valuable for stratigraphic correlation within Central and southern Europe, and they also promote a better correlation worldwide. Conodonts in the Idrija-Žiri area were adapted to a shallow-water environment in an epeiric ramp.<br>
                        </p>},
  author       = {Chen, Yanlong and Kolar-Jurkovšek, Tea and Jurkovšek, Bogdan and Aljinović, Dunja and Richoz, Sylvain},
  issn         = {0031-0182},
  keyword      = {Biostratigraphy,Conodont,Early Triassic,Paleoecology,Slovenia},
  language     = {eng},
  month        = {02},
  pages        = {84--100},
  publisher    = {Elsevier},
  series       = {Palaeogeography, Palaeoclimatology, Palaeoecology},
  title        = {Early Triassic conodonts and carbonate carbon isotope record of the Idrija-Žiri area, Slovenia},
  url          = {http://dx.doi.org/10.1016/j.palaeo.2015.12.013},
  volume       = {444},
  year         = {2016},
}