【摘 要】
：
Diamonds,moissanite and a variety of other minerals,similar to those reported from ophiolites in Tibet and northern Russia(Yang et al.,2011),have recently been discovered in chromitites of the Hegensh
【机 构】
：
State Key Laboratory for Continental Tectonics and Dynamics,Chinese Academy of Geological Sciences,2
【出 处】
：
International Workshop on: Ophiolites, Mantle Processes and
论文部分内容阅读
Diamonds,moissanite and a variety of other minerals,similar to those reported from ophiolites in Tibet and northern Russia(Yang et al.,2011),have recently been discovered in chromitites of the Hegenshan ophiolite of the Central Asian Orogenic Belt.The Hegenshan ophiolite is located in Xilinhaote,Inner Mongolia,180 km north of Chaokewulasumu,where it is one of a cluster of mainly ultramafic blocks.It consists chiefly of partly serpentinized peridotite and dunite,overlain by a thin cumulate sequence containing plagioclase-bearing dunite,troctolite,gabbro and minor anorthosite.Sheeted dikes are absent but small mafic dikes are locally common in the ultramafic sections.
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