The mineralized veins and the impact of old mine workings on the environment at Segura, central Portugal
At Segura, granitic pegmatite veins with cassiterite and lepidolite, hydrothermal Sn–W quartz veins and Ba–Pb–Zn quartz veins intruded the Cambrian schist–metagraywacke complex and Hercynian granites. Cassiterite from Sn–W quartz veins is richer in Ti and poorer in Nb and Nb + Ta than cassiterite fr...
| Main Author: | |
|---|---|
| Other Authors: | , |
| Format: | article |
| Language: | eng |
| Published: |
2013
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10400.11/1873 |
| Country: | Portugal |
| Oai: | oai:repositorio.ipcb.pt:10400.11/1873 |