aguilar decides to follow one of the streams called the petapilla. aquí nos han encontrados unas afloramientos de.... interpreter: we found some outcrops of rhyolite, and we are going to take some samples and take them to the laboratory to run an analysis on the elements they contain. keach: the laboratory later confirmed aguilar's suspicions. the rhyolite from the petapilla quarry is indeed the very same rhyolite from which half of copan's metates were made, including those found at the noble lord's compound. with the quarry found, the question now becomes where were the metates made, and who made them ? archaeological surveys of the copan valley identified 1,400 ancient house compounds. more than two-thirds of them were located outside the urban core. sanders knew several of these were located near the quarry, so he decided to excavate two of them. on an isolated hillside far from the elite neighborhoods of copan, the team began work at a site they called petapilla, the name of the nearby stream. archaeologists think that most of the people who liv