Utilize the input text as a context reference, choose the right relationship between 'gold mine' and 'gold' from the options.
Options: distributed by, headquarters location, platform, product/material produced

Bottom of the cycle Rival gold miner Evolution Mining is also finding opportunities at the bottom of the cycle, recently picking up the Cowal gold mine from Barrick Gold for $550 million as well as a deal to acquire La Mancha's Australian assets.
product/material produced