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

RIO DE JANEIRO/SYDNEY, Aug 26 (Reuters) - Brazilian mining giant Vale has continued its disposal of non-core holdings, agreeing to sell a mothballed coal mine in Australia jointly to Glencore Plc and Bloomfield Group for an undisclosed sum.

Answer: industry