Recently, a research team led by Prof. Dai Liqun from the University of Science and Technology of China (USTC) of the Chinese Academy of Science (CAS), has revealed that the mantle sources of Cenozoic and Mesozoic mafic igneous rocks from the eastern North China craton had gone through different types of metasomatism at different depths by comparing the composition of molybdenum isotopes. Their work was published in Geology.
Click here for original story, Molybdenum isotopes reveal interaction between subducting slabs and mantles
Source: Phys.org