Copper Mineralisation Confirmed at SAMPWE PROJECT as Surface Exploration Programme Commences
Early sampling at Copper Intelligence’s Sampwe project shows high copper grades and suggests a shallow, laterally extensive sandstone exploration target.
Rhea-AI Summary
Copper Intelligence (CUAI) reported confirmation of copper mineralisation at its Sampwe Copper Project in the Democratic Republic of Congo, based on early surface exploration of the Sonta Sandstone unit within the Kundelungu Formation.
A key channel sample from an exposed mineralised zone returned 3.9% Cu over 3.2 metres, including internal waste, indicating encouraging copper tenor across the interval. Selective grab samples from mineralised outcrops returned 10.1% Cu, 4.1% Cu and 4.0% Cu, confirming the presence of high-grade copper within the Sonta Sandstone. Field observations suggest the target sandstone horizon may lie at around 10 metres depth beneath large areas of the plateau, with cross-cutting structural corridors interpreted as key controls on mineralisation and used to define priority exploration targets.
Positive
- Channel sample returned 3.9% Cu over 3.2 metres across the mineralised zone
- Grab samples from outcrops reported copper grades of 10.1%, 4.1% and 4.0% Cu
- Target depth of Sonta Sandstone interpreted at about 10 metres over substantial areas
Negative
- Company notes grab samples are selective and not necessarily representative of overall mineralisation
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LUBUMBASHI,
The Company's current exploration efforts are focused on the Sonta Sandstone, a sedimentary unit within the Kundelungu Formation that is known to host copper mineralisation within the Central African Copperbelt.
Recent reconnaissance work, including grab sampling and channel sampling of exposed mineralised sandstone outcrops, has returned encouraging copper grades and supports the Company's belief that the prospective Sonta Sandstone horizon extends beneath much of the plateau.
Significant Channel and Grab Sample Results
The most significant result obtained to date comes from a channel sample across an exposed mineralised zone, which returned:
The channel sample incorporated both mineralised sandstone and internal waste material, providing a broad indication of copper tenor across the exposed interval.
In addition, several grab samples collected from mineralised outcrops returned copper grades of:
10.1% Cu4.1% Cu4.0% Cu
While highly encouraging, the grab samples are selective in nature and are not necessarily representative of the overall mineralisation present across the project area. Their significance lies in confirming the presence of high-grade copper mineralisation within the Sonta Sandstone.
Large-Scale Plateau Target Emerging
Field observations indicate that the Sonta Sandstone horizon appears to be relatively shallow beneath the plateau surface, with the target unit interpreted to occur at approximately 10 metres depth over substantial areas.
Copper Intelligence believes this geological setting presents a significant exploration opportunity, with the potential for broad areas of mineralised sandstone concealed beneath thin surface cover.
Current geological interpretations suggest that copper mineralisation has been introduced and concentrated through a series of cross-cutting structures that intersect the sandstone horizon. These structural corridors are considered key controls on mineralisation and have formed the basis for selecting priority exploration areas.
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Contact
Maxine Gordon mg@africandiscoverygroup.com
View original content:https://www.prnewswire.com/news-releases/copper-mineralisation-confirmed-at-sampwe-project-as-surface-exploration-programme-commences-302881932.html
SOURCE Copper Intelligence Inc.
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