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Volcano S3 is a young seamount located ~ 5 km east of the Valu Fa Ridge (VFR) in the Lau Basin, which has erupted boninitic lavas. We present new data for whole-rock compositions, minerals and olivine‐hosted melt inclusions, and propose a new model for low-Si boninite (LSB) petrogenesis in a...
Fractionation of sulfides during ascent of mantle-derived magmas distributes sulfur and chalcophile elements into the Earth’s lithosphere. It has been suggested that continental intraplate alkaline magmas undergo early sulfide saturation. However, there is a lack of evidence linking erupted...
The regolith-hosted rare earth element (REE) deposits in the Nanling Mountain Range, South China, are the most important source of heavy REE (HREE) in the world. A perplexing thing is that only a few of these deposits are relatively enriched in HREE and most of them are actually light REE...
The compositional zoning of the major divalent cations in metamorphic garnet is a useful tool in reconstructing the pressure–temperature path. However, trace elements can provide a better-preserved record of petrogenetic evolution due to their strong affinity in garnet and slow diffusion rates....
Trace element concentrations in abyssal peridotite olivine provide insights into the formation and evolution of the oceanic lithosphere. We present olivine trace element compositions (Al, Ca, Ti, V, Cr, Mn, Co, Ni, Zn, Y, Yb) from abyssal peridotites to investigate partial melting, melt–rock...
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