Thor Explorations Ltd (TSX-V:THX, AIM:THX, OTC:THXPF, FRA:T2X) has intersected further high-grade gold beneath the open pit at its Segilola mine in Nigeria, strengthening the case for an underground operation at the site. The AIM and TSX Venture-listed miner said drilling had cut 19.4 metres grading 3.01 grammes of gold per tonne from 346 metres down in hole SNMDD089.