gossan
n. [地质] 铁帽
例句
Gold is mainly enriched in gossan and supergene sulfide.
金主要富集在铁帽亚带及次生硫化物带。
Taoyuan gossan type gold deposit occurs at the upper end of the slant layered pyrite ore body.
桃园铁帽型金矿产于似层状硫铁矿体倾斜上端。
A better effect has been obtained by recognizing the gossan in the southeast of Hubei province.
对鄂东南地区铁帽的识别,取得了较好的应用效果。