Ramp compares its project with the eye structure of the Nova-Bollinger nickel-copper mine in Western Australia.
Bullion climbed to an all-time high of $2,483.73 an ounce on Wednesday, before paring gains.
Indonesia's nickel production surge is challenging the West's ambitions of diversifying its critical metals supply chains.
The trip comes after Niger’s military government withdrew mining rights from Canadian and French companies to develop uranium deposits.