Daily Mining Update
Daily Mining Update

Daily Mining Update (May 29, 2026): Los Reyes Drilling Restarts, Copperstone Build Approved, and New Silver/Lithium Filings

Daily Mining Update for May 29, 2026: a quick look at notable mining and natural-resource developments reported over the last 24–48 hours, including project drill program restarts, a construction decision on a U.S. gold mine, and several market/filing updates.

Torex Gold restarts drilling at Los Reyes (Mexico)

Torex Gold Resources said it has restarted drilling at its Los Reyes Project in Sinaloa, Mexico, after securing permits and completing local engagement work.

  • Planned 2026 program: ~20,000 metres across the Guadalupe, Z‑T, and Central areas.
  • Budget: ~US$18 million for 2026 work at Los Reyes, including drilling plus metallurgical/geotechnical test work.
  • Timing: Torex said it expects to release a preliminary economic assessment (PEA) in July.

Read: Newsfile – Torex Gold Restarts Drilling at Los Reyes Project.

Minera Alamos greenlights Copperstone gold mine build (Arizona)

Minera Alamos said it will proceed with construction of the Copperstone underground gold mine in Arizona, based on a new pre-feasibility study (PFS).

  • Reported initial investment: US$58 million (C$80 million).
  • Company cited production potential: ~46,000 oz gold per year over a six-year mine life.
  • Schedule: ~12 months construction, with first production targeted for mid‑2027.
  • Company cited all-in sustaining cost (AISC): US$1,314/oz.

Read: The Northern Miner – Minera Alamos greenlights Copperstone gold mine in Arizona.

Silverco Mining files Q1 financials; highlights cash position and restart plans

Silverco Mining reported it has filed its Q1 2026 interim financial statements and MD&A, and highlighted a previously completed bought-deal financing and several operational milestones.

  • Financing noted: C$62.5 million gross bought-deal private placement; quarter-end cash of C$56.2 million.
  • Company referenced its Cusi Mining Complex PEA and said it is targeting a restart in H2 2026, with concentrate production restart targeted for late 2026.
  • Silverco also noted it completed its acquisition of Nuevo Silver (La Negra Mine) on May 19, 2026.

Read: Newsfile – Silverco Mining Announces Filing of Q1 2026 Interim Financial Statements and MD&A.

Resolution Copper: Town of Superior approves water agreement (Arizona)

Resolution Copper said the Town of Superior’s council unanimously approved a water agreement that includes a long-term water mitigation commitment and a watershed endowment.

  • Resolution Copper described a water mitigation commitment of more than US$20 million, plus a US$5 million endowment for restoration/conservation and water management in the Queen Creek watershed.

Read: PR Newswire – Town of Superior Approves Historic Water Agreement with Resolution Copper.

Lithium South: cease trade order revoked; arrangement closing and delisting expected

Lithium South Development said it filed required annual disclosure, noted the revocation of a cease trade order, and discussed timing for its plan of arrangement and expected delisting.

Read: WebDisclosure / ACCESS Newswire – Lithium South filing update and arrangement timing.


This article is for informational purposes only and is not financial advice.

Note: Links above point to the original announcements or reporting, which include full context and cautionary language.