Dongyang Lian
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View article: Large-scale impregnation of oceanic and continental slab-derived adakitic melts into the mantle wedge
Large-scale impregnation of oceanic and continental slab-derived adakitic melts into the mantle wedge Open
Mantle wedge metasomatism is a widespread phenomenon in subduction zones. However, details of early melt generation and the extent of metasomatic processes is unclear. Here we document two distinct types of adakitic felsic rocks within the…
View article: Recycling Subducted Organic Carbon as Diamonds: An Example From the New Caledonia Forearc Ophiolite
Recycling Subducted Organic Carbon as Diamonds: An Example From the New Caledonia Forearc Ophiolite Open
Micro‐diamonds and moissanite (SiC) have been identified in ophiolitic mantle harzburgites and chromitites of the New Caledonian Peridotite Nappe. The pale yellow (100–250 μm) micro‐diamonds and light blue moissanite (mean −26.5‰, range −3…
View article: Water content in primary magma compositions and mantle source of chromitites in Mesoarchean Nuggihalli greenstone belt (India)
Water content in primary magma compositions and mantle source of chromitites in Mesoarchean Nuggihalli greenstone belt (India) Open
Chromitites, found in Archean greenstone belts as the oldest ultramafic rocks, offer critical insights into the early Earth's evolution. Water plays a fundamental role in aggregation and mineralization of chromite, yet the water content of…
View article: Beyond zircon fingerprinting: Zircon and TiO2 polymorphs constrain genealogy and evolution of the New Caledonian ophiolite
Beyond zircon fingerprinting: Zircon and TiO2 polymorphs constrain genealogy and evolution of the New Caledonian ophiolite Open
International audience
View article: Sources and petrogenesis of Late Triassic granitoids in the Yajiang gneiss dome group (eastern Songpan-Ganze orogenic belt) with tectonic implications
Sources and petrogenesis of Late Triassic granitoids in the Yajiang gneiss dome group (eastern Songpan-Ganze orogenic belt) with tectonic implications Open
Numerous Mesozoic granitoid plutons with a substantial variety of petrologic and geochemical signatures intrude the Triassic metasedimentary rocks of the Songpan-Ganze accretionary-orogenic wedge in the eastern Tibetan Plateau. These grani…
View article: A review and outlook on Archean greenstone belt-hosted chromite deposits
A review and outlook on Archean greenstone belt-hosted chromite deposits Open
太古宙绿岩带中铬铁矿床不仅具有重要经济价值，而且是研究地球早期物质组成和地幔演化的重要对象。太古宙铬铁矿床形成时代久远，普遍经历了后期复杂的变质、变形和流体改造等一系列地质作用。相较于显生宙豆荚状铬铁矿和元古宙层状铬铁矿，对太古宙绿岩带内产出铬铁矿的研究还较为薄弱，尤其对铬铁矿体形成的地质背景和岩浆作用缺乏深入系统的研究。本文综述了格陵兰、印度、澳大利亚西部、加拿大以及津巴布韦等典型太古宙绿岩带中铬铁矿床的主要地质特征和研究现状，讨论了相关科学问题和研究展望。绿岩带中铬铁矿…
View article: Mineral and whole-rock geochemistry of high-Al podiform chromitites in the Fizh Massif of the Cretaceous Oman ophiolite: origin of hydrous, N–MORB melts in a nascent forearc setting
Mineral and whole-rock geochemistry of high-Al podiform chromitites in the Fizh Massif of the Cretaceous Oman ophiolite: origin of hydrous, N–MORB melts in a nascent forearc setting Open
Tables S1–S8.
View article: The earliest stage of mantle-melt evolution during subduction initiation: Evidence from the Neo-Tethyan Mirdita Ophiolite, Albania
The earliest stage of mantle-melt evolution during subduction initiation: Evidence from the Neo-Tethyan Mirdita Ophiolite, Albania Open
Major- and trace-element compositions of olivine, clinopyroxene, orthopyroxene, spinel and pargasite, whole-rock major and trace elements, calculated oxygen fugacities, and temperature estimates of mineral pairs in Tables A1–A12; Figures A…
View article: Knowledge Structure and Frontier Evolution of Research on Chromitite: A Scientometric Review
Knowledge Structure and Frontier Evolution of Research on Chromitite: A Scientometric Review Open
Big data analysis can reveal the relevance, hidden patterns, and bursts of activity in data. Therefore, big data analysis has recently aroused great interest and curiosity among scientists in various fields. The powerful data organization …
View article: Ti-poor high-Al chromitites of the Moa-Baracoa ophiolitic massif (eastern Cuba) formed in a nascent forearc mantle
Ti-poor high-Al chromitites of the Moa-Baracoa ophiolitic massif (eastern Cuba) formed in a nascent forearc mantle Open
Podiform chromitite is an important archive recording detailed information on mantle magmatism, heterogeneity and dynamics. High-Al chromitites are believed to have formed in mid-ocean ridge, back-arc, and forearc basin environments. Corre…
View article: Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite
Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite Open
Ophiolite-hosted diamond from peridotites and podiform chromitites significantly differs from those of kimberlitic diamond and ultra-high pressure (UHP) metamorphic diamond in terms of occurrence, mineral inclusion, as well as carbon and n…
View article: Solid-phase transfer into the forearc mantle wedge: Rutile and zircon xenocrysts fingerprint subducting sources
Solid-phase transfer into the forearc mantle wedge: Rutile and zircon xenocrysts fingerprint subducting sources Open
International audience
View article: Geochronology and Geochemistry of Gabbros from Moa‐Baracoa Ophiolitic Massif, Eastern Cuba: Implication for Early Cretaceous SSZ Magmatism
Geochronology and Geochemistry of Gabbros from Moa‐Baracoa Ophiolitic Massif, Eastern Cuba: Implication for Early Cretaceous SSZ Magmatism Open
A series ophiolitic massifs in the northeastern part of Cuba are generally considered to be relics of proto‐Caribbean or Caribbean lithosphere, emplaced during Paleogene collision of the NW Caribbean and North American plates (Iturralde‐Vi…