Camino and Nittetsu Commence Proprietary Leaching Studies for Growth Opportunities at the Puquios Copper Project in Chile

Original announcement by tmx on

Company
Camino Minerals Corporation
Ticker
COR
Exchange
TSX
Region
Chile
Primary commodity
Copper
Secondary commodities
None reported
Document categories
Metallurgy
Extracted
2026-08-21 06:47:46 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Camino Minerals and Nittetsu have commenced proprietary leaching studies in Tokyo to assess scale-up opportunities for the Puquios Copper Project in Chile. The project is planned as a conventional sulphide leaching operation using SX-EW technology, with construction anticipated in the first half of 2026.

Reasoning: The announcement marks a transition from exploration/permitting to metallurgical optimization and construction preparation for the Puquios project.

Positive factors

  • Commencement of proprietary leaching studies for scale-up
  • Permits for construction are already in place
  • Strategic partnership with Nittetsu for metallurgical R&D
  • Path towards production in 1H 2026

Negative factors

  • Studies are at the R&D/proprietary stage, not yet commercial scale

Facts used in scoring: 1

Atlas analysis — Camino Minerals Corporation: Camino and Nittetsu Commence Proprietary Leaching Studies for Growth Opportunities at the Puquios Copper Project in Chile

Classification and evidence

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: The project is planned as a conventional sulphide leaching operation utilizing SXEW technology.

Evidence · text

“utilizing solvent extraction and electro winning (" SXEW ") technology”

Bench Scale Onlynegative

Only preliminary bench tests completed — no locked-cycle or pilot work.

Why it applies: Studies are being conducted at a research and development facility in Tokyo rather than at a pilot or commercial scale.

Evidence · text

“initiate leaching studies at Nittetsu's metallurgical and chemical facility in Tokyo”

Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

Metallurgical Results (1)

leaching studiesPuquios · copperView all details
Link to this fact

Identity

Project
Puquios
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Test Work

Program Status
preliminary
Test Type
leaching studies
Processing Route
SXEW
Sample
samples of the deeper mineralization extracted from exploration adits

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-30T00:00:00.000Z

Reasoning: Initial results from Nittetsu demonstrate competitive recoveries for different copper mineralization types.

Positive factors

  • Testing proprietary extraction technologies

Evidence · text

“Nittetsu has been advancing proprietary copper extraction technologies and initial results demonstrate competitive recoveries”

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.