Unity Metals goes hunting for more Cambodian gold

• Camp drilling returned 40m at 1.9g/t and 70.4m at 1.1g/t gold, defining a broad zone open along strike and at depth.
• More than 6km of prospective magnetic trends have generated multiple targets across O’Phlay.
• A 3,000m drilling program is underway, while geophysical work at Ngot has identified further priority targets.

Special Report: Unity Metals has emerged from the September quarter with an expanded gold exploration opportunity in Cambodia, following drilling success at O’Phlay and geological work that has identified multiple targets with characteristics similar to its Camp discovery.

A 3,000m diamond drilling campaign is now underway to establish the extent of known mineralisation and investigate several previously untested prospects.

At Unity Metals’ (ASX:UM1) Camp prospect, drilling returned 40m at 1.9g/t gold, including 5m at 10.5g/t, followed by 70.4m at 1.1g/t approximately 100m farther down dip.

The intersections defined a mineralised zone with an interpreted true width of 45–50m, extending from near surface to at least 230m depth. Subsequent drilling has extended its known strike length and mineralisation remains open along strike and at depth.

Geological analysis linked gold-bearing alteration to the magnetic properties of the host rocks, enabling Unity to delineate more than 6km of prospective structures. This includes anomalies with magnetic footprints substantially larger than Camp’s.

Magnetic interpretation expands the target inventory

Gold at Camp occurs within quartz-vein stockworks in hydrothermally altered diorite. Core analysis showed that alteration associated with mineralisation had reduced the magnetic properties of the host rock, consistent with destruction of primary magnetite.

Magnetic susceptibility in the gold-mineralised zones was almost 40 times lower than in surrounding unaltered rock, providing a distinctive geophysical signature that could help identify similar mineralised systems elsewhere at O’Phlay.

Interpretation of airborne data has identified northeast to east-northeast trending magnetic features across the northern portion of a major intrusion, including demagnetised zones around Toulsroloav and Small Creek.

The anomalies remain untested indicators of alteration rather than confirmed gold discoveries. Their correspondence with the Camp signature nevertheless provides a geological basis for prioritising drilling across the wider intrusive system.

A broader test of the O’Phlay system

Unity’s 20-hole program will assess Camp’s continuity and test for additional stockwork systems across its 195.6km² licence. Three holes are planned at Camp, targeting extensions to the northeast, potentially westward, and at depth.

Five holes will test Toulsroloav, about 800m west-northwest of Camp, where historical open pits, anomalous gold and arsenic soil results and rock-chip grades of up to 28.5g/t and 21.1g/t gold point to established surface mineralisation.

Another five holes will target Small Creek, 1.8km southwest of Camp. Historical underground workings and open pits coincide with interpreted demagnetised zones, while rock-chip assays include 37.1g/t, 27.5g/t and 24.3g/t gold. Drilling will assess both the high-grade veins and the possibility of broader stockwork mineralisation in the surrounding diorite.

Two holes will test a 300m-long magnetic anomaly approximately 200m south-southwest of Camp, with five more allocated to regional targets. Results should clarify whether the magnetic signatures and historical gold occurrences reflect mineralisation comparable to that intersected at Camp.

Ngot geophysics identifies a possible mineralising intrusion

At Unity’s Ngot project, approximately 60km west of O’Phlay, magnetic surveying and three-dimensional modelling have identified a substantial anomaly beneath and north of previous drilling at Rohav Mountain.

The anomaly is interpreted as a possible magnetite-bearing intrusion that may have supplied hydrothermal fluids associated with gold mineralisation in the overlying diorite. Previous drilling did not test the interpreted intrusion.

Follow-up induced polarisation surveys identified chargeability and resistivity anomalies around its margins, potentially associated with sulphide-rich and silicified zones. These provide priority targets for future drilling.

Earlier exploration encountered gold at Rohav Mountain and high-grade intersections at Ngot Central. The project also adjoins Emerald Resources’ operating Okvau gold mine.

What comes next at O’Phlay and Ngot

Unity finished September with approximately $3.4 million in cash following an oversubscribed $3.5 million placement, supporting the next stage of exploration.

At O’Phlay, the immediate test is whether Camp’s broad mineralisation extends along strike and at depth, and whether similar gold-bearing stockworks occur at the regional magnetic targets. Positive results beyond Camp would strengthen the geological interpretation and support further drilling along the extensive prospective trends.

Ngot offers a separate opportunity to investigate the possible source of mineralisation at Rohav Mountain.

The targets and the drill campaign give Unity several opportunities to advance its Cambodian gold portfolio over the coming months.

This article was developed in collaboration with Unity Metals, a Stockhead advertiser at the time of publishing.

This article does not constitute financial product advice. You should consider obtaining independent advice before making any financial decisions.

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