Skarn-type iron deposit, related to a biotite granite. The skarns are either calcic or magnesian in composition.
Ref.:
- Chang Zhaoshan and Feng Zhongyan (1996): The Alteration and Mineralization of Zhijiazhuang Iron Deposit, Hebei Province. Acta Scientiarum Naturalium Universitatis Pekinensis 32(6), 724-733.