摘要
Objective The Bayan Obo in the northern North China Craton is the world’s largest REE-Nb-Fe deposit. The genesis of its hosted carbonatite is still controversial for sedimentary or igneous(Song et al.,2018). Recent geological exploration, including 1:10000 geological mapping and drilling exploration, have revealed new exposures of zonal distribution of alteration and mineralization, which combined with previous results of isotopical geochemistry indicate the
基金
supported financially by National Key R&D Plan (grant No. 2017YFC0601403)
China Geological Survey (grant No. DD20160124)
the NSFC (grant No. 41502075)
the Central Public-Interest Scientific Institution Basal Research Fund (grant No.KK1406)
