نتایج جستجو برای: mantle peridotites
تعداد نتایج: 17101 فیلتر نتایج به سال:
The transition from the Semail ophiolite mantle to underlying metamorphic sole was drilled at ICDP OmanDP Hole BT1B. We analyzed bulk major, volatile and trace element compositions of mantle-derived listvenite series rocks, with aim constrain chemical transfers associated peridotite carbonation along basal thrust. comprise variously carbonated serpentinites (fuchsite-bearing) listvenites. They ...
The Southwest Indian Ridge (SWIR) at 9^168E and 52^538S is characterized by ultra-slow, oblique spreading and contains one of the few documented occurrences of pyroxenite veins associated with abyssal peridotites. The origin of these uncommon lithologies is still debated.We present a detailed study (including electron microprobe and laser ablation inductively coupled plasma mass spectrometry) o...
The extent of partial melting peridotites is a function temperature, pressure, and fluid supply. Understanding the petrogenesis ultra-depleted important for elucidating mantle potential temperature role water in mantle. We analyzed major trace element compositions from Kamuikotan zone, Japan. Geochemical models were then generated to constrain conditions their relation boninitic melts. are char...
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