Portuguese granites associated with Sn-W and Au mineralizations

In northern and central Portugal, there are different tin-bearing granites. Most of them are of S-type, others have mixed characteristics of I-type and S-type granites and a few are of I-type. Tin-tungsten deposits are commonly associated with Hercynian tin-bearing S-type granites. Some quartz veins...

Full description

Bibliographic Details
Main Author: A.M.R. Neiva
Format: Article
Language:English
Published: Geological Society of Finland 2002-12-01
Series:Bulletin of the Geological Society of Finland
Subjects:
Online Access:http://www.geologinenseura.fi/bulletin/Volume74/Nieva.pdf