| 1 | At south the parasol tree of the branch curved way, I with south rather, Harbin etc. ground of car fan see a train together, clap a train. | |
| 2 | Based on the analyses on the geological features and stable isotope data, the genesis, temperature and epoch of Nancha gold deposit are discussed. | |
| 3 | Ore body is controled by structure, and mineralization has close relationship with Yanshan magma intrusion. Metallogenic model of Nancha gold deposit is established. |