Two new minerals, badengzhuite, TiP, and zhiqinite, TiSi2, from the Cr-11 chromitite orebody, Luobusa ophiolite, Tibet, China: is this evidence for super-reduced mantle-derived fluids?
Fahui Xiong,Xiangzhen Xu,Enrico Mugnaioli,Mauro Gemmi,Richard Wirth,Edward S. Grew,Paul T. Robinson,and Jingsui Yang
Center for Advanced Research on the Mantle (CARMA), Key Laboratory of Deep-Earth Dynamics of
Ministry of Land and Resources, Institute of Geology, Chinese Academy of
Geological Sciences, Beijing, 100037, China
Southern Marine Science and Engineering Guangdong Laboratory
(Guangzhou), Guangzhou, 511458, China
Xiangzhen Xu
Center for Advanced Research on the Mantle (CARMA), Key Laboratory of Deep-Earth Dynamics of
Ministry of Land and Resources, Institute of Geology, Chinese Academy of
Geological Sciences, Beijing, 100037, China
Center for Nanotechnology Innovation@NEST, Istituto Italiano di
Tecnologia (IIT), Piazza San Silvestro 12, 56127 Pisa, Italy
Mauro Gemmi
Center for Nanotechnology Innovation@NEST, Istituto Italiano di
Tecnologia (IIT), Piazza San Silvestro 12, 56127 Pisa, Italy
Richard Wirth
Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences,
Section 3.5, Interface Surface Geochemistry, Telegrafenberg, C 120, 14473
Potsdam, Germany
School of Earth and Climate Sciences, University of Maine,
Orono, Maine 04469, USA
Paul T. Robinson
Center for Advanced Research on the Mantle (CARMA), Key Laboratory of Deep-Earth Dynamics of
Ministry of Land and Resources, Institute of Geology, Chinese Academy of
Geological Sciences, Beijing, 100037, China
Jingsui Yang
Center for Advanced Research on the Mantle (CARMA), Key Laboratory of Deep-Earth Dynamics of
Ministry of Land and Resources, Institute of Geology, Chinese Academy of
Geological Sciences, Beijing, 100037, China
Southern Marine Science and Engineering Guangdong Laboratory
(Guangzhou), Guangzhou, 511458, China
School of Earth Sciences and Engineering, Nanjing University, Nanjing,
210023, China
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Two new nanominerals: titanium monophosphide and titanium disilicide, formed at pressures of Earth’s upper mantle by the action of methane and hydrogen from the mantle on basaltic melts in the Luobusa ophiolite (Tibet). The minerals were characterized by 3D electron diffraction, which can solve the crystal structures of phases less than a micrometer in size. The results contribute to our understanding of deeply subducted crustal rocks and their exhumation back to the Earth's surface.
Two new nanominerals: titanium monophosphide and titanium disilicide, formed at pressures of...