Mindarra Springs is located 90km to the North of Perth near the town of Gingin in Western Australia. It is proximal to the Brand Highway and Moora to Bindoon road, as well as rail which links the ports of Geraldton to the north and Kwinana/ Fremantle to the south. The Mindarra Springs mineral Resource is located 20km to the south of the McCalls deposit on tenement E70/4584. The deposit was discovered and historically drilled by BHP in the early 1990’s.
On 01 October 2018 a maiden Mindarra Springs Heavy Mineral JORC 2012 compliant Resource estimate was announced. Applying a 1.1% HM cut-off, Mindarra Springs has an inferred Mineral Resource of 2.2Bt @ 1.6% HM. Contained valuable heavy mineral (VHM) at Mindarra Springs totals 32,050kt comprises of 29,080kt of ilmenite, 1,520kt of zircon, 320kt of rutile and 1,130kt of leucoxene (see Mineral Resource and Ore Reserve Statement, ASX release 03 October 2018).
The Mindarra Springs deposit covers an area of up to 6.5km east-west by 12km north-south. Mineralisation occurs from surface to depths of up to 22.5m, with an average thickness of 19m. The average overburden thickness is 7.6m.
Photograph: McCalls Project air core drilling at Mindarra Springs