Monax 100% - EL 3358
Olympic Dam style copper-uranium-gold, palaeochannel-hosted rollfront uranium and Tanami style gold

Ambrosia has Palaeochannel uranium and Olympic Dam Cu-U-Au style mineralisation potential.

Ambrosia geological interpretation

Ambrosia occupies a similar position to Olympic Dam on the margin of the Gawler Craton and has excellent potential for Olympic Dam style of mineralisation. The project area contains a number of coincident gold and copper in calcrete anomalies, which present immediate drill targets.

The area lies on the NW margin of the Gawler Range Volcanics, a potential seal for mineralising fluids.

Zones of demagnetisation along structures suggest alteration due to escape of fluids from a sealed system. This setting has the potential to form large mineral deposits due to the focussing of mineralising fluids over a long time span.

Ambrosia palaeochannel map

The Mulgathing Palaeochannel runs NW through the project area and has strong potential to host roll-front style uranium deposits. Such uranium has already been identified nearby, with the Warrior uranium prospect occurring 25km south in a similar geological setting. We know from our ongoing research on palaeochannels that more channels are likely to be present in the project area than are shown on published maps. Our confidence in the area is strongly supported by historical uranium exploration, which has defined large areas of anomalous uranium mineralisation within this region (Narlaby, Wynbring, Kingoonya and Mulgathing Palaeochannels).

Ambrosia has excellent potential for Tanami style orogenic lode gold since it contains Hiltaba Suite granites, potentially a proximal source for mineralising fluids and NE-SW and NW-SE structures were active at Hiltaba Suite times. The NW-SE orientations are favourable to produce zones of structural dilatancy.

Regional calcrete sampling across the southern half of Ambrosia identified a number of coincident copper-gold anomalies and these will be drilled as soon as possible and infill sampling undertaken. The rest of the area will be covered by a calcrete survey. A structural interpretation of the aeromagnetic data will allow ranking of copper-gold targets in calcrete, and these will be covered by a ground-based gravity survey. 3D modelling of anomalies will be used to define further drill targets.

Gravity survey and remote sensing data will be used to define palaeochannels more accurately. An infill radiometric survey is planned to determine zones of anomalous uranium in palaeochannel settings. Areas of anomalous uranium in the correct geological setting will define targets.