OIB-type rocks within West Junggar ophiolitic mélanges: Evidence for the accretion of seamounts

G Yang, Y Li, W **ao, L Tong - Earth-Science Reviews, 2015 - Elsevier
Abstract The Central Asian Orogenic Belt (CAOB, also known as the Altaid Tectonic
Collage), one of the largest and long-lived accretionary orogens in the world, developed …

[HTML][HTML] A new method of discriminating different types of post-Archean ophiolitic basalts and their tectonic significance using Th-Nb and Ce-Dy-Yb systematics

E Saccani - Geoscience Frontiers, 2015 - Elsevier
In this paper, a new discrimination diagram using absolute measures of Th and Nb is
applied to post-Archean ophiolites to best discriminate a large number of different ophiolitic …

Geochemical fingerprinting of oceanic basalts with applications to ophiolite classification and the search for Archean oceanic crust

JA Pearce - Lithos, 2008 - Elsevier
Two geochemical proxies are particularly important for the identification and classification of
oceanic basalts: the Th–Nb proxy for crustal input and hence for demonstrating an oceanic …

[HTML][HTML] A global review of Hf-Nd isotopes: New perspectives on the chicken-and-egg problem of ancient mantle signatures

R Tilhac, GC Begg, SY O'Reilly, WL Griffin - Chemical Geology, 2022 - Elsevier
We present the first global review on the Smsingle bondNd and Lusingle bondHf isotope
systematics of the mantle; it includes all published data on peridotites and pyroxenites from …

Chemical variations and regional diversity observed in MORB

R Arevalo Jr, WF McDonough - Chemical Geology, 2010 - Elsevier
An assemblage of MORB analyses (n= 792 samples), including a suite of new, high-
precision LA-ICP-MS measurements (n= 79), has been critically compiled in order to provide …

Geochemical nature of sub-ridge mantle and opening dynamics of the South China Sea

GL Zhang, Q Luo, J Zhao, MG Jackson, LS Guo… - Earth and Planetary …, 2018 - Elsevier
The Indian-type mantle (ie, above the north hemisphere reference line on the plot of 208
Pb/204 Pb vs. 206 Pb/204 Pb) has been considered as a “Southern Hemisphere” …

A subduction influence on ocean ridge basalts outside the Pacific subduction shield

AY Yang, CH Langmuir, Y Cai, P Michael… - Nature …, 2021 - nature.com
The plate tectonic cycle produces chemically distinct mid-ocean ridge basalts and arc
volcanics, with the latter enriched in elements such as Ba, Rb, Th, Sr and Pb and depleted in …

Radiogenic isotopes document the start of subduction in the Western Pacific

HY Li, RN Taylor, J Prytulak, M Kirchenbaur… - Earth and Planetary …, 2019 - Elsevier
Subduction initiation is one of the least understood aspects of plate tectonics. In an effort to
obtain the first in situ magmatic record of subduction initiation, the International Ocean …

Carbon Fluxes and Primary Magma CO2 Contents Along the Global Mid‐Ocean Ridge System

M Le Voyer, EH Hauri, E Cottrell… - Geochemistry …, 2019 - Wiley Online Library
The concentration of carbon in primary mid‐ocean ridge basalts (MORBs), and the
associated fluxes of CO2 outgassed at ocean ridges, is examined through new data …

The smoothness and shapes of chondrite-normalized rare earth element patterns in basalts

HSC O'Neill - Journal of Petrology, 2016 - academic.oup.com
The customary practice for displaying REE abundances is to normalize them to chondritic
abundances and then to plot these normalized abundances in order of atomic number, Z …