Patriot Lithium Limited extended its copper target corridor to 5.5 kilometers at the Mumbwa Project in Zambia, the company announced Tuesday. The extension follows the recent Tonic copper discovery, which confirmed a multi-target copper system within Patriot’s extensive exploration licences in the Mumbwa Copper-Gold Belt, officials said.
The corridor runs from Tonic through two newly defined drill-ready target areas, designated as Block 1 and Block 2, which the company described as high-priority copper targets based on geophysical characteristics. The announcement follows recent ground magnetics and induced polarisation (IP) surveys that expanded the geophysical footprint to about 163 hectares along the prospective corridor, according to company statements.
The extended copper target corridor now measures approximately 5.5 kilometers southeast from the initial Tonic copper discovery, Patriot Lithium Limited officials said Tuesday.
The Tonic discovery, reported roughly two weeks before the corridor extension announcement, yielded a key intercept of 17 meters at 0.41% copper and 4.7 grams per ton silver from approximately 29 meters depth, sources confirmed. Patriot interprets Tonic as part of a broader multi-target copper system associated with the Mumbwa Fault Zone, the same regional structural trend that hosts the significant Kitumba copper deposit located near Patriot’s exploration licences. The new corridor and targets are directly linked to this fault zone, enhancing the geological context for copper mineralisation, the company said.
Patriot’s geophysical data delineate chargeability and resistivity anomalies from IP surveys, as well as magnetic responses that coincide with structural trends known for copper mineralisation. These integrated datasets support the view that Tonic is not an isolated occurrence but part of a continuous copper system extending along strike through Blocks 1 and 2, according to company technical reports.
Patriot’s Mumbwa Project lies within Zambia’s Mumbwa Copper-Gold Belt, a region recognised for significant copper mineralisation. The company holds or has options over three large-scale exploration licences covering a combined 705 square kilometers in the area, making it one of the more prominent landholders in the district, records show. These licences collectively cover about 45 kilometers of continuous strike along copper-fertile regional structures contiguous with the Kitumba and Katwaro Copper Projects, which sit on key regional structures, Patriot officials said.
In addition to the 5.5-kilometer Tonic corridor, Patriot has identified a wider potential mineralised copper corridor of approximately 8 kilometers between Chimban South and Katwaro. Surface sampling in this area has returned high-grade copper results, including a peak of 33.08% copper at CBR South and 17.36% copper at Chimban South, measured by portable X-ray fluorescence (pXRF), according to field data released by the company. At Chimban South, pXRF sampling from Pit 2 recorded an average of 6.46% copper with a peak of 17.36%, while Pit 1 averaged 1.25% copper. Sample R3510 from CBR South showed an average of 12.19% copper across the vein system, supporting the presence of high-grade veins, company sources confirmed.
Patriot plans an aggressive exploration campaign in the second quarter of 2025 across its Zambian licences, including the Mumbwa Project, company statements said. The program will involve reviewing historical data, detailed geological mapping, surface sampling, and geochemical surveys, which will lay the groundwork for a reverse circulation (RC) drilling program aimed at testing targets within the extended 5.5-kilometer corridor, including Blocks 1 and 2. Parallel drilling campaigns are planned to test the 8-kilometer mineralised corridor between Chimban South and Katwaro.
The Mumbwa Fault Zone, which hosts the Tonic discovery and the extended corridor, is the same structural trend that contains the Kitumba copper deposit, a significant resource “up the road” from Patriot’s ground, according to company technical briefings. Patriot’s exploration licences are contiguous with its Kitumba and Katwaro Copper Projects, effectively consolidating ground along this mineralised trend, officials said. Geological mapping and the presence of small-scale artisanal copper pits near licence boundaries further confirm the fertility of the structural corridor for copper mineralisation, company sources added.
Patriot Lithium Limited is primarily branded as a lithium explorer but has been advancing copper exploration in Zambia through the Mumbwa Project and associated licences, officials noted. The company’s expanded licence position and defined target corridors position it to explore multiple copper targets in a regionally significant structural setting.
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