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WILMINGTON, Del. and CHARLOTTE, N.C. and LUSAKA, Zambia, Sept. 17, 2025 (GLOBE NEWSWIRE) — Terra Metals Inc., a Delaware-registered mineral development company, has entered a strategic technical collaboration with Tonawanda Group Inc. (TGI), a North Carolina– registered exploration and investment company, to jointly advance large-scale copper and gold assets in Zambia. The collaboration begins with activity in the Mumbwa District and is expected to expand into the geologically significant Mwinilunga corridor.
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Through its wholly owned Zambian subsidiary, Tonawanda Procurement Ltd. (TPL), TGI currently holds a 6,688-hectare exploration license (35384-HQ-LEL) in the Mumbwa region, adjacent to Luiri Gold’s Dunrobin–Matala deposit, which hosts over 1 million ounces of gold.
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Mumbwa:
Drill-Ready
IOCG-Gold
Corridor
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Exploration work conducted by TPL and its technical partners has outlined a series of highly prospective features:
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Magnetics:
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- Analytical signal highs, RTP anomalies, and vertical/horizontal derivatives aligned with the Hook Granite–Mwembeshi shear system
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Geochemistry:
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- Gold values up to 1.99 g/t Au, with over 50% of samples exceeding 0.5 g/t
- Copper values peaking at 311 ppm, with pit assays returning 2.8% Cu
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Structural
observations:
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- Brecciated shale–sandstone contacts, quartz vein mineralization, and widespread copper oxide minerals (malachite, azurite, chrysocolla)
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“These aren’t random anomalies—they’re classic IOCG signatures nested in the right structural corridor,” said Katangwa Mushinge, Commercial & Business Development Manager of TGI. “Our drill rig is being commissioned in the coming days, and we will follow up with a detailed announcement as soon as it’s on site.”
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Operational
Readiness:
Drill
Commissioning
Underway
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Tonawanda Procurement Ltd. and Terra Metals Inc. are preparing to launch a fully independent exploration campaign utilizing a newly acquired diamond drill rig rated to over 1,200 meters depth.
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“We are now not just compliant—we are competitive,” said Garth Chibangu, Procurement Manager at Tonawanda Procurement Ltd. “Owning and deploying this rig is a game changer. It gives us full control over exploration logistics, costs, and timelines. We drill where the data leads us.”
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Mwinilunga:
Geological
Frontier
Under
Terra
Metals
Inc.
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Terra Metals’ recently granted Large-Scale License in Mwinilunga, Northwestern Zambia, lies within a structurally complex belt characterized by folded basement domes, fluid conduits, and granite-hosted mineral systems.
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“The geological potential at Mwinilunga is quietly extraordinary,” said Mumena Mushinge, Chairman of Terra Metals Inc. “We’re finalizing our interpretation maps now and will release a full technical overview shortly. This partnership gives both companies momentum on two fronts.”
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