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Refined Energy

Dufferin Project

Dufferin West & Dufferin North · Saskatchewan, Canada

14,800 ha

19 mineral tenures

Up to 75%

Option interest

~18 km

From Cameco's Centennial Deposit

1,250 m

Planned Q1 2026

Overview

Never-drilled conductors in the world's premier uranium district

The Dufferin Project consists of two properties — Dufferin West and Dufferin North — spanning 19 mineral tenures and 14,800 hectares in Saskatchewan's Athabasca Basin, the district that produces 15.5% of the world's uranium at grades 10 to 100 times the global average.

The surrounding geology is highly prospective for unconformity uranium deposits. Several monometallic and polymetallic uranium occurrences are found along the Dufferin Lake fault and other NE-SW trending faults that transect the property.

An NI 43-101 technical report was filed in June 2025 recommending the drilling of prospective conductors.

Dufferin Project property

Explore the property

Location · Geology

01 / 02

Location & access

  • 310 km and 330 km northwest of La Ronge, Saskatchewan, within the Athabasca Basin
  • Both properties lie approximately 18 km from Cameco's Centennial Deposit
  • Access to the property is via helicopter or floatplane
  • Northeast-trending belts of Archean-Proterozoic rock overlain by Athabasca basin siliciclastics

02 / 02

Geology & mineralization

  • Prospective for unconformity- and basement-hosted uranium near NE-SW trending faults
  • Faulted basement contacts and reactivated brittle structures host mineralization in the area
  • A high concentration of secondary uranium minerals suggests remobilization plays a role here
  • Sandstone cover above the unconformity is estimated at less than 200 metres — relatively shallow

Exploration history

Two decades of work

  1. 2005Airborne EM · GEOTEM

    The survey outlined a magnetic low and a conductor axis along the Dufferin Lake fault, plus a weak NE-SW trending conductor in the northeast corner of the Dufferin West tenure.

  2. 2006Gravity · Magnetic · Radiometric

    Geophysics delineated basement lithology contacts and inferred NE-SW and NW-SE trending faults below the Athabasca unconformity. GEOTEM identified conductors parallel to the Dufferin Lake fault.

  3. 2007–08VTEM · Geochemistry

    Airborne VTEM geophysics alongside lake sediment, soil and tree geochemistry surveys further defined basement contacts and fault structures beneath the unconformity.

  4. 20142 holes · TDEM

    Two diamond drill holes tested a ZTEM conductor; both intersected desilicified zones of dravite-rich fault gouge, presumed to be a splay from the primary conductor. Hole SL14-002 encountered elevated radioactivity of 185 cps along the unconformity.

  5. 2019Airborne EM · Magnetic

    Identified several conductive zones and mapped unconformity isopachs. A NE-SW trending zone in the northeast corner of Dufferin West — overlapping a conductor first seen in 2005 — was flagged as a future target.

  6. NextPlanned

    A minimum four-hole, 1,250 m drill program at Dufferin West in Q1 2026, testing two conductors that have never been drill tested.

2025 program

Recent work — completed

  • Advanced interpretation and 3D inversion modelling of historical geophysical datasets at Dufferin West, prioritizing the conductors and structures that control uranium deposition.
  • Identification of specific targets for follow-up ground EM surveys to refine Dufferin West drill targeting.
  • An airborne Mobile MT geophysical survey over Dufferin North — completed, though weather constraints reduced the final survey size.
  • Integration of the new geophysical data with historical data to identify Dufferin North priority target zones.

Next step

Planned drill program

1,250 m
Minimum program
4
Drill holes, Q1 2026
  • The primary conductor is interpreted to extend from the unconformity at the sandstone contact well into the underlying basement rocks
  • A second target is a conductor interpreted to extend from the unconformity a lesser distance into the basement
  • Neither target has ever been drill tested
  • Sandstone cover above the unconformity is estimated to be relatively shallow, at less than 200 metres

Read the technical report

The NI 43-101 technical report for the Dufferin Project was filed in June 2025 on SEDAR+.

View on SEDAR+All projects

In close proximity, historic drill hole VR-031W3 intersected 8.78% U₃O₈ over 33.9 m in Cameco's Centennial Zone. This result is taken from Saskatchewan Industry and Resources Assessment Work File 74G12-0061 (Cameco Corp., 2009). The Company has not had a qualified person verify this information, and it is not necessarily indicative of the mineralization, if any, present at the Project.