Looks like JRV has applied for Kabanga, page-13

the deposited has existed forever. it appears a draft-feasibility was completed late 2011 but never published

prior to the Tanzanian issues of 2017, Glencore published in their 2015 and 2016 annual reports: Kabanga (Metal and minerals segment) is an undeveloped nickel deposit in Tanzania, in which Glencore has a 50% interest. During 2015, a sales process was undertaken to find a potential buyer. No acceptable bids were received and as a result the project was written down to $Nil, reflective of the lower nickel price environment noted above, resulting in an impairment of $115 million.

its an underground (mine) deposit: