Gold and GemStone Mining Inc. announced the results of the first prospecting activities from its portfolio of proven alluvial gold and diamond mining concessions in the Kono District of Sierra Leone, the Country's prominent gold and diamond mining region. Preliminary prospecting results taken from the gravel river beds of the Sewa River, running through GGSM's existing 125 acre mining concession, split across 3 separate chiefdoms in the Kono District, shows extremely positive results and endorses GGSM's mining development strategy to roll out its production operations into the surrounding chiefdoms. The results show an average yield of 56 carats per hundred tonne (Cpht) of hi-grade diamonds, slightly above the average grade of Sierra Leone, which, according to the comprehensive report undertaken in the 1970s by PK Hall, shows an average of approximately 50 Cpht. The results go on to show equally impressive data in relation to the incidence of gold with sampling taken from a total of 270 tonnes of gravel showing 62 grams per hundred tonne at an excellent purity rate of 96.4%.