(ShareCast News) - Mineral & Financial Investments reported that its 49%-owned TH Crestgate has unearthed "unexpectedly high" copper content as it begins drilling at the Lagoa Salgada zinc-copper project in Portugal.TH Crestgate, which owns 85% of Lagoa Salgada, intends to drill four holes to further investigate the potential of a copper-bearing area where one intersection delivered 93.1 metres at 0.94% copper, 2.22% zinc, 1.46% lead, 0.09 grams per tonne gold and 27 grams per tonne silver.Jacques Vaillancourt, chairman of AIM-listed M&F, said: "The possibility that Lagoa Salgada may contain copper porphyry is very exciting for Mineral & Financial as a 49%-shareholder in TH Crestgate."All four holes will test along strike extensions of this mineralization within the same 1km long anomaly. Furthermore, we are aiding TH Crestgate's efforts to find a strategic partner to advance this project."