Primary haloes of hydrothermal deposits were considered as positive haloes before. Although it has been recently suggested that the primary haloes could be positive and negative, almost all the research work on primary haloes has still focused on positive
季克俭 王立本.1992.热液矿床的负晕和地球化学场系[J].地质学报,66(4). Ji Kejian, Wang Liben, Lu Fengxiang, Wang Wuyi, Dong Jianhua, Zhang Jianhua.1992. THE NEGATIVE HALOES AND GEOCHEMICAL FIELD SYSTEM OF HYDROTHERMAL DEPOSITS[J]. Acta Geologica Sinica,66(4).
