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New GSA Bulletin articles published ahead of print in August miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
UNCW Geology Professor studying 3-billion-year-old rocks in Greenland wwaytv3.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wwaytv3.com Daily Mail and Mail on Sunday newspapers.
New articles for Geosphere posted online in June eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
Jian Xu; Xiao-Ping Xia; Qiang Wang; Christopher J. Spencer; Bin He . Abstract: The mechanisms and processes by which subducted slab interacted with mantle plume remain controversial, as direct observation of such interaction is difficult to impossible. Compositional heterogeneity of large igneous provinces (LIPs) additionally makes plume-slab interaction hard to detect. Oxygen isotopes are sensitive enough to trace the source of magmas. Here we provide evidence for plume-slab interaction mainly based on in situ zircon Hf-O isotope analyses, as well as whole-rock elemental and Sr-Nd-Hf isotope analyses, on the Late Permian and Early Triassic A-type granites on the margin of the Emeishan LIP in SW China. These granites show typical A-type ....