On December 11, several GeoBBCcore members including Zhang Yanlin of NUIST, Wang Junjian of SUSTECH, Song Jianzhong, Zhao Shizhen, Lu Yazhou and Zhang Gan of GIG attended the Mid-term assessment event (基金委地学重大项目中期评估) which, organized by NSFC, was held in XiJiao Hotel (西郊宾馆) at Beijing. Gan reported the overall progress and achievement of the GeoBBC program (15 minutes), followed by 4 project reports delivered by Song Jianzhong, Zhang Yanlin, Wang Junjian and Zhang Gan, respectively, each 5 minutes. Yazhou prepared and brought all financial things, and communicated with the financial audit team in the venue. Yangzhi helped in preparing and collecting all relevant stuffs for the Mid-term assessment, and all team members had a very busy fortnight, preparing for the assessment event. There were six NSFC ultra programmes being assessed by 15 experts assigned by NSFC. The GeoBBC program was evaluated to be ‘Super Excellent’ (特优), which denotes a milestone and great achievements of our GeoBBC.