Results 131 to 140 of about 21,047 (239)

Barium Isotopes Indicate Spatiotemporal Heterogeneity of Marine Primary Productivity During the Toarcian Oceanic Anoxic Event

Geophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract The Toarcian Oceanic Anoxic Event (T‐OAE, ∼183 Ma) was characterized by globally enhanced organic‐carbon burial and a negative carbon‐isotope excursion (N‐CIE). However, the role of marine productivity at this time, and its spatiotemporal variability, is unclear.
Wenhan Chen, David B. Kemp, Hugh C. Jenkyns, Stuart A. Robinson, Yibo Lin, Jun Hu, Zhong Han, Tianchen He, Feifei Zhang, Xilei Sun, Guangyu Shi, Chao Li   +11 more
wiley   +1 more source

Petrogenesis and Geodynamic Implications of Cretaceous Nb-Enriched Mafic Dykes in the East Kunlun Orogen, Northern Tibet Plateau: Constraints from Geochronology, Geochemistry and Sr-Nd Isotopes

There is a magmatic lull period in the East Kunlun orogen (EKO) during the Jurassic to the Cretaceous. However, due to the lack of records of magmatic activity restricts our understanding of the late Mesozoic magmatic-tectonic evolution of the EKO ...
Hu Zhou, Jiaming Zhou, Mingchi Wang, Zhiqiang Chu, Fuhao Xiong   +4 more
core   +1 more source

Differentiated Diagenesis during the Capitanian Stage at the Northern Margin of the Upper Yangtze Platform: Insights from Tectono-Sedimentary Controls of the Emeishan Large Igneous Province. [PDF]

ACS Omega
Ning K, Shi Z, Tan Q, Tian Y, Li W, Tang S, Liu H.   +6 more
europepmc   +1 more source

Detrital Zircon U-Pb Geochronology of River Sands from the Yulongkash and Karakash Rivers in the Hotan River Drainage System, Southwestern Tarim Basin: Implications for Sedimentary Provenance and Tectonic Evolution

The southwestern Tarim Basin, shaped by the far-field effects of the India-Eurasia collision, serves as a critical archive for reconstructing source-to-sink dynamics and tectonic evolution in a Cenozoic intracontinental foreland setting.
Yayi Jiang, Long Zhang, Shaohua Zhang, Miao Xu, Jing Xiao, Qiang Xu, Mingkuan Qin, Qiang Guo, Nian Liu, Shaohua Huang   +9 more
core   +1 more source

Reconstruction of the geodynamic history of the Marun-Keu complex, the Polar Urals: a multidisciplinary approach

Записки Горного института
A comprehensive study of the evolutionary history of the Marun-Keu complex in the Polar Urals is presented. Utilizing both original data and published earlier information, this work establishes the temperature and pressure ranges corresponding to the ...
Aleksei V. Berezin, Laysan I. Salimgaraeva, Viktor N. Puchkov   +2 more
doaj  

Progress in geochronology: not only timing, but also rate. [PDF]

Natl Sci Rev
Li XH.
europepmc   +1 more source

Method development with LA-ICP-MS in U-Pb geochronology using design of experiment. [PDF]

MethodsX
Caner M, Tunç M, Sunal G, Sarıkaya MA.
europepmc   +1 more source

The problem of identifying lower crustal garnet-clinopyroxene granulites and mantle eclogites: a case study of xenoliths from the V.Grib pipe

Записки Горного института
The article presents a comprehensive analysis of the mineralogical and geochemical features of xenoliths from the V.Grib kimberlite pipe, represented by lower crustal garnet-clinopyroxene granulites and mantle eclogites. A comparative characterization of
Ekaterina V. Stetskaya, Laysan I. Salimgaraeva, Aleksei V. Berezin, Viktor N. Ustinov, Roman N. Pendelyak   +4 more
doaj  

U-Pb Detrital Zircon Geochronology and Its Tectonic Implications for the Middle Devonian at the Northwestern Margin of the Yangtze Block. [PDF]

ACS Omega
Guo T, Yang WF, Zeng L, Wang C.
europepmc   +1 more source

Neogene plant macrofossils from West Antarctica reveal persistence of Nothofagaceae forests into the early Miocene. [PDF]

Commun Earth Environ
Bastias-Silva J, Leppe M, Manriquez L, Trevisan C, Fox BRS, Magiera M, Wilson G, Tavazzani L, Chelle-Michou C, Gao L, Szymanowski D, Mansilla H, Silva C, Hervé F, Tapia C.   +14 more
europepmc   +2 more sources