Peridotites, chromitites and diamonds in ophiolites

J Yang, W Wu, D Lian, H Rui - Nature Reviews Earth & Environment, 2021 - nature.com
Ophiolites, which represent segments of oceanic lithosphere obducted onto the continental
crust, provide an important window into processes such as continental rifting, mantle …

Mantle peridotites of ophiolites rarely preserve reliable records of paleo-oceanic lithospheric mantle

BX Su, QQ Pan, Y Xiao, JJ Jing, PT Robinson… - Earth-Science …, 2023 - Elsevier
Mantle peridotites of ophiolites have traditionally been interpreted as fragments of residual
oceanic lithospheric mantle depleted by partial melting. However, recent petrological …

The occurrence, origin, and fate of water in chromitites in ophiolites

BX Su, PT Robinson, C Chen, Y Xiao… - American …, 2020 - degruyter.com
We present petrological investigations and mineral chemistry of several Tethyan ophiolites
to reveal the occurrence, origin, and fate of water in podiform chromitites. The results show …

A new model for chromitite formation in ophiolites: Fluid immiscibility

B Su, X Liu, C Chen, PT Robinson, Y Xiao… - Science China Earth …, 2021 - Springer
Although the involvement of hydrous fluids has been widely invoked in formation of podiform
chromitites in ophiolites, there is lack of natural evidence to signify the role and mechanism …

Atypical chromitite deposit in the Gaositai mafic-ultramafic complex, North China Craton: Geochemical, geochronological, and isotopic systematics

F Xiong, B Zoheir, C Li, X Xu, T Qiu, R Benaouda… - Lithos, 2023 - Elsevier
The Gaositai mafic-ultramafic complex in the North China Craton hosts a significant
chromitite deposit featuring morphological and geochemical characteristics that deviate from …

[HTML][HTML] Prospecting for ophiolite-type chromite deposit in Sartohay, West Junggar (NW China): Constraints from geological and geophysical data

H Li, Y Li, G Yang, L Philemon, Y Wan, Q Zhao… - Ore Geology …, 2023 - Elsevier
Chromite is a critical mineral that is of great significance for the development of
metallurgical, chemical, and other industries. In order to study the deep ore prospecting …

Age and petrogenesis of Archaean chromitite from the Seqi Ultramafic Complex, southern West Greenland

J Wang, P Cai, J Yang, K Szilas, D Lian, Z Luo, F Xiong - Lithos, 2024 - Elsevier
The chromite deposits of the Seqi Ultramafic Complex are part of layered ultramafic bodies
that occur within Mesoarchaean tonalitic orthogneiss in the 3.2–3.0 Ga Akia Terrane of the …

Co-occurrence of compositionally variable chromitites in the Sabzevar ophiolite, NE Iran

A Eslami, G Grieco, M Bussolesi, Y Ichiyama, D Lenaz… - Lithos, 2023 - Elsevier
The Sabzevar ophiolite belt consists of a series of thrust-bound massifs that widen in extent
to∼ 150 km in NE Iran. The Kuh-Siah harzburgite-dunite massif in the central sector of this …

Dunites in the mantle section of the Oman ophiolite–The boninite connection

H Rollinson - Lithos, 2019 - Elsevier
Dunites in the mantle section of the Oman ophiolite contain olivines which show both a wide
range of compositions (Fo 86.2 to Fo 94) and very high magnesium numbers. These data …

The Critical Role of Fluid‐Mediated Diffusion in Anomalous Fe‐Mg‐O Isotope Fractionations in Ultramafic Rocks of Ophiolites

BX Su, C Chen, Y Xiao, PT Robinson… - Journal of …, 2021 - Wiley Online Library
A number of bulk‐rock and mineral Fe and Mg isotope data have been increasingly reported
from ophiolitic rocks, but their anomalous fractionations are still not well addressed. This …