Utilize the input text as a context reference, choose the right relationship between gold 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.

"Hemeti met with leading sheikhs of the area, and told them that the Jebel 'Amer gold mine will be protected by the RSF, as a number of gold mining companies will start operating in the area," one of the sources said.

Answer: product_or_material_produced