Sierra Cuadrada

SIERRA CUADRADA – ARGENTINA

Significant historical uranium mining and exploration in area

• The Argentine National Atomic Energy Commission (CNEA) explored for uranium across Argentina from the mid 1950-80’s resulting in 8 mines being developed
• In the Chubut Province radiometric and EM surveys identified two large Cretaceous paleochannels in the San Jorge Basin which extend for over 500km N-S and 30-60km E-W
• This early exploration was very successful with numerous uranium occurrences and deposits being discovered in the sandstone outcrop
• Three uranium deposits were delineated, two of which were developed
  1. Cerro Condor – open pit mine – outcropping  – 6000 ppm U3O8
  2. Los Adobes – open pit mine – outcropping – 1400 ppm U3O8, and
  3. Cerro Solo – depth 50-130m – 10mlb est. – 4000 ppm U3O8

• Sierra Cuadrada Project covers 1303 km2 and is located 200km north of Comodoro Rivadavia in the San Jorge Basin Cretaceous paleochannel system
• Extensive areas of flat lying, visible uranium with some assays >3000ppm U3O8 (6.6 lbs. U3O8 per tonne)
• The mineralisation occurs at varying stratigraphic levels – potential for repetitions at depth
• Potential for one or more continuous zones of U3O8 up to 30km wide and 40km long
• Mineralisation is open along strike northwest and southeast and downdip
• Can be delineated by trenching and shallow drilling, in short time frames and at very low cost

• 2023 rock chip and mapping program – uncut average grade of 2,579 ppm U3O8 (5.67lbs per tonne)
• Ongoing activities include:
• Drilling 50km of road reserve SE-NW across mineral concessions
• Project wide auger drilling followed by trenching aimed at an initial mineral resource estimate on 5km x 5km blocks
• Ongoing geological mapping and geochemistry
• Acquisition of additional mineral tenements along strike of mineralisation
• Shallow auger drilling ongoing with trenching to follow