High-resolution integrated stratigraphy of Upper Ordovician to lower Silurian strata: applications to black shale drill cores in South China

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F24%3A00600394" target="_blank" >RIV/67985831:_____/24:00600394 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.schweizerbart.de/papers/nos/detail/57/106040/High_resolution_integrated_stratigraphy_of_Upper_O?af=crossref" target="_blank" >https://www.schweizerbart.de/papers/nos/detail/57/106040/High_resolution_integrated_stratigraphy_of_Upper_O?af=crossref</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1127/nos/2024/0752" target="_blank" >10.1127/nos/2024/0752</a>

Jazyk výsledku

angličtina

Název v původním jazyce

High-resolution integrated stratigraphy of Upper Ordovician to lower Silurian strata: applications to black shale drill cores in South China

Popis výsledku v původním jazyce

This paper presents an integrated stratigraphy of the Upper Ordovician to lower Silurian strata from the Yangtze platform, focusing on detailed graptolite biostratigraphy and δ13Corg chemostratigraphy of a continuous drill core section. We establish ten graptolite biozones within the Wufeng and Lungmachi formations and identify the LKCIE (Late Katian Carbon Isotope Excursion), HICE (Hirnantian Isotope Carbon Excursion), and EACIE (Early Aeronian Carbon Isotope Excursion) in the δ13Corg curve. Through the identification of four positive carbon isotope excursions, including the LACIE (Late Aeronian Carbon Isotope Excursion), this paper addresses and clarifies the substantial uncertainties in biozonal boundaries identified in previous research, providing a definitive integrated stratigraphy framework, and significantly enhances both regional and global stratigraphic correlation. Our approach revises biozone boundaries within drill cores and outcrop sections in South China, revealing abrupt turning points in depositional rate changes within the Lungmachi Formation, linked to the Kwangsian Orogeny and global sea-level fluctuations. This high-resolution stratigraphic framework contributes to biostratigraphy and chemostratigraphy and aids in efficient hydrocarbon exploration.

Název v anglickém jazyce

High-resolution integrated stratigraphy of Upper Ordovician to lower Silurian strata: applications to black shale drill cores in South China

Popis výsledku anglicky

This paper presents an integrated stratigraphy of the Upper Ordovician to lower Silurian strata from the Yangtze platform, focusing on detailed graptolite biostratigraphy and δ13Corg chemostratigraphy of a continuous drill core section. We establish ten graptolite biozones within the Wufeng and Lungmachi formations and identify the LKCIE (Late Katian Carbon Isotope Excursion), HICE (Hirnantian Isotope Carbon Excursion), and EACIE (Early Aeronian Carbon Isotope Excursion) in the δ13Corg curve. Through the identification of four positive carbon isotope excursions, including the LACIE (Late Aeronian Carbon Isotope Excursion), this paper addresses and clarifies the substantial uncertainties in biozonal boundaries identified in previous research, providing a definitive integrated stratigraphy framework, and significantly enhances both regional and global stratigraphic correlation. Our approach revises biozone boundaries within drill cores and outcrop sections in South China, revealing abrupt turning points in depositional rate changes within the Lungmachi Formation, linked to the Kwangsian Orogeny and global sea-level fluctuations. This high-resolution stratigraphic framework contributes to biostratigraphy and chemostratigraphy and aids in efficient hydrocarbon exploration.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10505 - Geology

Projekt

<a href="/cs/project/GA20-23363S" target="_blank" >GA20-23363S: Biostratigrafie a dynamika pelagických faun siluru pražské pánve v kontextu velkých environmentálních výkyvů a změn</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

Newsletters on Stratigraphy

ISSN

0078-0421

e-ISSN

—

Svazek periodika

57

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

30

Strana od-do

445-474

Kód UT WoS článku

001335024700001

EID výsledku v databázi Scopus

2-s2.0-85216340676