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Resource Estimate

ATEX Announces Filing of Technical Report for Valeriano Project on Updated Mineral Resource Estimate

By The Northwire Desk — AI Analysis Nov 03, 2025 · 18:13 ATX · 2.46 ATEX Resources Inc.
ATX · Price

Executive Summary

  • ATEX Resources filed an NI 43‑101 Technical Report announcing a substantially upgraded mineral resource estimate for the Valeriano copper‑gold project in Chile.
  • The Indicated resource now totals 475 Mt at 0.88 % CuEq (including 0.58 % Cu, 0.25 g/t Au, 1.39 g/t Ag, 70.4 g/t Mo) and the Inferred resource 1,511 Mt at 0.75 % CuEq.
  • First Phase VI drill hole ATXD25C returned record‑grade intercepts—164 m @ 2.72 % CuEq (including 86 m @ 3.77 % and 40 m @ 4.73 % CuEq)—exceeding the average grades used in the new MRE, confirming high‑grade potential in the B2B Zone.

Key Details

  • Technical Report: Independent NI 43‑101 report filed on November 3 2025; available on SEDAR+ and ATEX website.
  • Qualified Persons: David Machuca‑Mory, PhD, PEng (SRK Consulting) – independent QP; Glen Cole & Dr. David Machuca (SRK); Dr. David Middleditch (Libertas Metallurgy). Ben Pullinger (President/CEO) reviewed non‑independent sections.
  • Indicated Resource: 475 Mt @ 0.88 % CuEq (0.58 % Cu, 0.25 g/t Au, 1.39 g/t Ag, 70.4 g/t Mo); cut‑off 0.35 % Cu.
  • Inferred Resource: 1,511 Mt @ 0.75 % CuEq (0.50 % Cu, 0.20 g/t Au, 1.16 g/t Ag, 70.6 g/t Mo); cut‑off 0.35 % Cu.
  • High‑Grade B2B Zone:
  • Indicated: 28.4 Mt @ 1.36 % CuEq (0.95 % Cu, 0.33 g/t Au, 1.98 g/t Ag, 134 g/t Mo) at 0.6 % Cu cut‑off.
  • Inferred: 2.6 Mt @ 1.05 % CuEq (0.74 % Cu, 0.28 g/t Au, 1.74 g/t Ag, 22 g/t Mo).
  • Phase VI Drill Hole ATXD25C (B2B Zone):
  • 164 m @ 2.72 % CuEq (1.69 % Cu, 0.97 g/t Au).
  • Sub‑intervals: 86 m @ 3.77 % CuEq (2.28 % Cu, 1.41 g/t Au); 40 m @ 4.73 % CuEq (2.76 % Cu, 1.88 g/t Au).
  • Porphyry Core: High‑continuity core of 118 Mt Indicated @ 1.07 % CuEq and 161 Mt Inferred @ 1.01 % CuEq at 0.5 % cut‑off.
  • Discovery Cost: $0.0049 per lb of Cu (industry leading).
  • Inferred Gold Oxide Material: >500,000 oz at 0.36 g/t AuEq (0.35 g/t Au, 1.34 g/t Ag) – upside potential for future exploration.
  • Exploration Activity: Six diamond rigs active; Phase VI aims to further delineate high‑grade B2B Zone and expand resource volume.

Notable Quotes

(No direct quotes were included in the release.)

Read the original news release →

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