Base's June quarter performance saw the mineral sands miner's production for the full year reach the higher end of forecast ranges, with rutile output in fiscal 2021 expected to be similar to 2020 versus possible 15-20% reductions in ilmenite and zircon.

Base's net cash position of US$87.6 million at the end of June compared to $44.4 million at the end of March.

A year ago the net cash position was $19.2 million.

Base also has refund claims for VAT paid in Kenya totalling $18 million, with $2.6 million having been received in the June quarter and $3 million in the March period.

Regarding Toliara, Base said work would continue in the September quarter to advance the planned development, with further guidance on a revised FID date for Toliara to be provided "when there is greater clarity on the trajectory of resumption of global economic activity".

Shares in Toliara closed up 10% to 21.5c on Tuesday in response to the quarterly results, capitalising the company at $252 million.