Archives for March, 2011
A number of companies report broad intersections of significant mineralisation and then state that this includes a narrow high grade intersection, but with no further information. For example: 20 metres at 8g/t 1 gold including one metre at 140g/t gold2 . Intersections are reported this way because a broad, good grade is more…
About Grade Many investors see grade as being an important factor when looking for an investment in the copper sector. While grade may be important for small complex deposits, it is emphatically not the most important factor with porphyry deposits. Porphyry deposits have several characteristics that make them attractive investments for…