【摘 要】
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The Yarlung Zangpo Suture Zone(YZSZ) is believed to be composed of material largely derived from the destruction of the Neo-Tethys ocean.We report here geochron
【机 构】
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Département de Géologie et de Génie Géologique,
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The Yarlung Zangpo Suture Zone(YZSZ) is believed to be composed of material largely derived from the destruction of the Neo-Tethys ocean.We report here geochronological and petrological data obtained for newly discovered alkaline gabbro blocks embedded in a m(?)lange zone of the YZSZ,in Zhongba area, southwestern Tibet.The gabbros are Late Devonian in age and of intra-oceanic Ocean Island Basalt(OIB) affinity.Single-zircon U-Pb analyses from one representative gabbro sample by SIMS(Secondary Ion
The Yarlung Zangpo Suture Zone (YZSZ) is believed to be composed of material largely derived from the destruction of the Neo-Tethys ocean.We report here geochronological and petrological data obtained for newly discovered alkaline gabbro blocks embedded in am (?) Lange zone of the YZSZ, in Zhongba area, southwestern Tibet. The gabbros are Late Devonian in age and of intra-oceanic Ocean Island Basalt (OIB) affinity. Single-zircon U-Pb analyzes from one representative gabbro sample by SIMS
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