Utilize the input text as a context reference, choose the right relationship between Pueblo Viejo mine and gold from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

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.

Answer: product_or_material_produced