Riverside Resources Inc. announced it has completed an airborne geophysical helicopter magnetics survey on the Duc Project in northwestern Ontario progressing this important project in Riverside's Canada portfolio. The Duc Project is located south of the town of Kapuskasing in the highly prospective Porcupine Mining District, which hosts a number of orogenic gold deposits and critical metals projects. Magnetics is a well-established method for defining geological boundaries and delineating geological structures, particularly faults and shears, which are typically the host for precious metal mineralization and showing features typical of critical metals exploration in this part of the greenstone belt.

The magnetic results are interpreted to show two major parallel shears that extend north-easterly through the central part of the Duc Project with the magnetic high defining the mafic rocks which have iron that can be part of a catalyst for gold and critical metals deposition. The compilation of magnetic data and existing geochemistry from past drilling and sampling demonstrates potential scale and prospectivity for near surface mineralization continuing downward and eastward. This new survey helps to refine areas for more detailed Induced Polarity (IP) geophysics surveys which will be evaluated during this upcoming field season.

IP is an excellent method to delineate sulphide mineralization and help vector in on drill targets. Specifically, the survey focuses on targeting boundary areas and favorable geological features. The Project is underlain by an Archean-aged metavolcanic and metasedimentary suite consisting of greywacke, arkose, and iron formation.

To the west and north the terrain is underlain by east-west striking metasedimentary schists and mafic metavolcanic flows belonging to the Quetico Subprovince. The south and east areas of the Project are underlain by a black, medium-grained rock described as peridotite by previous explorers and is a greenstone unit which can be a favorable reactive host rock. The boundary between is a highly prospective geologic boundary that could host major mineralization potential.

Peridotite igneous rock is important because it can host platinum group elements (PGE) mineralization and is a critical metal which previous drilling found and now this survey shows Riverside has a large volume that is prospective from this magnetic work. There are several significant structures and geological contacts that are highlighted in the survey. Past basal till drilling and diamond drilling suggests there are a several fault-bounded units striking northeast within the Project area and are highlighted by the survey.

These parallel northeast trending fault structures, which include the Rufus Lake and Lepage faults, have been shown to host gold mineralization in the district and represent a key target element for this Project. The Company originally considered conducting ground-based geophysics, however SHA Geophysic's Heli-3G technology provides excellent results and is significantly less expensive than a ground survey. Detailed geological mapping and induced polarization (IP) surveys over the peridotite and fault bounded units are the most likely next follow-up exploration steps to refine priority drill targets.

The survey was conducted by SHA Geophysics using their Heli-3G, 3-axis magnetic gradiometer system completing line spacing of 75m and a total of 112-line kilometers of survey. This type of helicopter survey uses SHA's latest technology and sensors to get clean and consistent data. The vertical gradient accentuates shorter wavelengths and attenuates longer wavelengths.

As a result, the map enhances the anomalies associated with small near-surface magnetic sources while suppressing large-scale regional variations. The vertical gradient presentation provides added visual detail, particularly for small anomalies superimposed on or adjacent to larger anomalies.