During the regional geological survey of the 1∶250000 Yutian County Sheet, the authors found that ultramafic rocks in the Shubashi area, West Kunlun, are intimately associated with basic intrusive rocks and basalt, which combine to form ophiolite. This ophiolite has higher REE and trace element abundances, suggesting it was derived from the enriched mantle. The basic complex and basic volcanic rocks are low-Ti and high-K, large ion lithophile elements (LILF) are enriched relative to high-field strength elem...
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