Utilize the input text as a context reference, choose the right relationship between Eldorado Gold and mining 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.

ATHENS Aug 19 (Reuters) - Greece has suspended the mining operations of Canada's Eldorado Gold in northern Greece, saying the company violated contract terms, in a setback to one of the top foreign investment projects in the country.

Answer: industry