In the past 3 months, we've had not one, not two, not three, but at least four supposedly world-class discoveries by junior exploration. What are the odds any of these, or more than one, actually works out, and what are the implications for the rest of the junior exploration market? The odds are not good. Even questionable "world-class" discoveries are exceedingly rare and many of them are made by the mining companies themselves (not explorers). Junior explorers do make such discoveries sometimes but even more rarely. Think Voisey's Bay, Pierina, Ekati, Fruta del Norte, Cerro Negro, Brucejack, etc. Out of those not every one is even world class although each has achieved valuation in the billion dollar range along the way.