Drummond Crossing is located 20km north of Eneabba proximal to the Brand Highway. The region has strong infrastructure with the Dongara-Geraldton and the Mingenew-Geraldton rail line nearby linking to the ports of Geraldton, Fremantle and Kwinana. Drummond Crossing is located near existing mineral sands operations surrounding Eneabba. The project is situated on tenement E70/3814 upon free-hold pastoral land.
Drummond Crossing is interpreted as a broad-dunal style deposit. It is adjacent to the Gingin escarpment and formed in a similar manner to Sheffield's Robbs Cross and Thomson deposits.
On 01 October 2017 Drummond Crossing Mineral Resource was revised to be compliant with JORC 2012 Reporting Code. Drummond Crossing (at a 1.4% HM cut-off) has a Mineral Resource of 38.8Mt @ 2.4% HM, with an indicated component of 35.5Mt @ 2.4% HM, and an inferred component of 3.3Mt @ 2.3% HM.
Contained valuable heavy mineral (VHM) at Drummond Crossing totals 741kt composed of 490kt of ilmenite, 127kt of zircon, 93kt of rutile and 31kt of leucoxene. This includes an indicated 680kt of contained VHM with 447kt of ilmenite, 118kt of zircon, 86kt of rutile and 29kt of leucoxene, as well as an inferred 61kt of contained VHM composed of 43kt of ilmenite, 9kt of zircon, 7kt of rutile and 2kt of leucoxene.
The strike length at Drummond Crossing is 2,000m with across strike width of 2,300m and average thickness of 8m. Mineralisation is from surface to a depth of 30m (see Mineral Resource and Ore Reserve Statement, ASX release 03 October 2018).
In 2014 characterisation test-work was undertaken by Robbins Metallurgical and it was concluded that the Drummond Crossing heavy mineral concentrations are amenable to typical mineral sands processing methodologies using standard mineral sands separation equipment. The produced titanium products (secondary ilmenite, HiTi, rutile) are of acceptable quality. Overall zircon recovery is calculated at 35.7%, and rutile and leucoxene recoveries into rutile product and HiTi product is calculated at 86% and 33%.
Figure: Drummond Crossing – microphotographs of processed product from characterisation work