Barrick, the largest gold producer, last month announced an arrangement with a unit of Royal Gold Inc. for $610 million upfront, plus continuing payments, for gold and silver from its Pueblo Viejo mine in the Dominican Republic.
Utilize the input text as a context reference, choose the right relationship between 'Pueblo Viejo mine' and 'gold' from the options.
Options: creator, distributed by, product/material produced, operator