In:
Fossil Record, Pensoft Publishers, Vol. 23, No. 1 ( 2020-02-21), p. 33-69
Abstract:
Abstract. The Permian–Triassic boundary section in the Aras Valley in NW
Iran is investigated with respect to carbonate microfacies, biostratigraphy
(particularly conodonts, nautiloids, and ammonoids), chemostratigraphy
(carbon isotopes), and environmental setting. Correlation of the data allows
the establishment of a high-resolution stratigraphy based on conodonts (with
four Wuchiapingian, 10 Changhsingian, and three Griesbachian zones),
ammonoids (with nine Changhsingian zones), and carbon isotopes; it forms
the base for the reconstruction of the environmental changes before and
after the end-Permian extinction event at the studied locality. In the Aras
Valley section, there is no evidence for the development of anoxic
conditions, associated with the end-Permian mass extinction.
Type of Medium:
Online Resource
ISSN:
2193-0074
DOI:
10.5194/fr-23-33-2020
DOI:
10.5194/fr-23-33-2020-supplement
Language:
English
Publisher:
Pensoft Publishers
Publication Date:
2020
detail.hit.zdb_id:
2210077-5
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