Analyze the relationship between 'Goldcorp' and 'gold' within the context of the input sentence.
Options: distributed by, industry, product/material produced, publisher

Goldcorp anticipates the study will form the basis of a new life-of-mine plan for Peñasquito, which could extend mine life by more than five years through increased gold and silver recoveries, result in production of higher quality concentrates, and lower mining costs through minimization of re-handling and simplified mining of complex ores.
product/material produced