A plane-formed tourmalite is exposed, which has a transition belt with underlying tourmaline-albite-granite and has a distinct line as intrusive body with top countryrock (dimicaceous shist), in Amoshan Mountain of Xi...A plane-formed tourmalite is exposed, which has a transition belt with underlying tourmaline-albite-granite and has a distinct line as intrusive body with top countryrock (dimicaceous shist), in Amoshan Mountain of Ximeng County, Yunnan Province in which there is valuable tin. The tin deposit was regarded as the展开更多
文摘A plane-formed tourmalite is exposed, which has a transition belt with underlying tourmaline-albite-granite and has a distinct line as intrusive body with top countryrock (dimicaceous shist), in Amoshan Mountain of Ximeng County, Yunnan Province in which there is valuable tin. The tin deposit was regarded as the