Mapping Chemical Earth Program: Progress and challenge

Xueqiu Wang, Bimin Zhang, Lanshi Nie, Wei Wang, Jian Zhou, Shanfa Xu, Qinhua Chi, Dongsheng Liu, Hanliang Liu, Zhixuan Han, Qingqing Liu, Mi Tian, Baoyun Zhang, Hui Wu, Ruihong Li, Qinghai Hu, Taotao Yan, Gao Yanfang