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.
Text: * GLENCORE - Global mining and trading firm Glencore Plc and Australia's Bloomfield Group agreed to acquire Vale's Integra coal mine in Australia for undisclosed terms, the buyers said in an emailed statement on Wednesday.
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