对于榴辉岩俯冲折返过程中的壳-幔相互作用及地球化学循环是中国大陆科学钻探工程（CCSD）研究的重点之一。
One main target of the CCSD project is to reveal the mantle-crust interaction and geochemical recycling during continental subduction and eclogite exhumation.
这一结果为南岭地区锡多金属矿床为壳幔相互作用的产物及区域地幔柱的存在提供了新证据。
The results provide new evidences that the tin deposits are product of the crust-mantle interaction and that the mantle plumes had existed in the Nanling region.
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