"This new discovery is very significant since we have perhaps found one of the "feeder systems" that is responsible for the high gold and copper grades found at Tumipampa."
UPDATE: Reader DT wrote in with the following (very slightly redacted to save a blush or two). He gave me permission to stick it on the blog, so...
ma·nureməˈn(y)o͝or/nounnoun: manure1. 1.animal dung used for fertilizing land and the pockets of junior mining company executives.
synonyms: dung, muck, excrement, droppings, ordure, guano, cow pats; Morefertilizer;