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Very high VHM sand highlights significant future upside for MRG Metals

Summary 

  • MRG Metals Limited has released excellent results from ongoing mineralogical studies within its Corridor South (6621L) exploration license and interpretive work done on the new and historic mineralogical information.
  • Two very different Heavy Mineral Concentrate (HMC) mineral compositions were found- Type 1 % Valuable Heavy Mineral (VHM) and Type 2 % VHM.
  • 3 large target areas were identified with very high VHM % that will be further explored to identify areas where higher Total Heavy Mineral (THM) grades corresponds to the very high VHM%.

The shares of Heavy Mineral Sands (HMS) explorer MRG Metals Limited (ASX:MRQ) were trading up by 5% on the ASX at AUD 0.010 (3:56 PM AEST). The upsurge can be attributed the Company adding a further string to its bow in terms of exploration upside.

MUST READ: MRG Metals displays flurry of developments in June 2021 quarter

MRG Metals has received encouraging results from ongoing mineralogical studies at Corridor South exploration license and interpretive work conducted on the new and historic mineralogical information. At a time when the explorer is moving towards defining three separate Mineral Resource Estimates (MRE) across its Corridor portfolio, these results are “encouraging and very exciting”, says Chairman Mr Andrew Van Der Zwan.

GOOD READ: Leapfrog modelling results indicate further Mineral Resource Estimates for MRG Metals

Key findings from Nhacutse

A mineral assemblage study at the Nhacutse deposit, along with interpretation of previous mineralogy data has confirmed a substantial increase in the VHM content of the HMC from west to east within the Nhacutse resource area.

The study also confirmed previously reported exploration data. It assures the presence of a north-south trending very high VHM domain extending down the eastern side of the Corridor South tenement.

ALSO READ: MRG Metals’ shares soar after Nhacutse assay results confirm very high-grade zones

Nhacutse mineralogical study- an overview

The recent mineralogical studies within Corridor South (6621L) involved eight composite samples from 4 aircore holes drilled in the Nhacutse deposit area. It is now known that there is potential in the eastern area for supplying high % VHM material in close proximity to the Nhacutse and Poiombo High Grade Zones.

GOOD READ: MRG Metals shines on ASX after positive visually estimated findings from Nhacutse drilling

  • A composited sample from an auger drillholes within the white/grey sand in the vicinity of the 3 eastern holes (20CSAC585, 20CSAC586 and 20CSAC587) in sample CSNH03 analysed by CSIRO Mineral Resources via particle analyses, QemScan and Bulk Mineralogy indicated the VHM % of 73.37%.
  • Samples CSPM19A, CSPM20A and CSPM31A in the east of the Nhacutse and Poiombo deposit showed similar patterns.
  • Type 1 % VHM in the red/red-brown sand ranged from 43.59 to 52.13 and Type 2 % VHM in the white/grey sand ranged from 64.40 to 66.57 % VHM.

Notably, the three large target areas identified with very high VHM % will be explored to identify areas where higher THM grades corresponds to the very high VHM%.

GOOD READ: MRG Metals’ (ASX:MRQ) HMS Potential highlighted at Mines and Money Connect Conference

Quantitative mineral composition of composite samples from 4 Nhacutse aircore drillholes (Source: Company announcement, Aug 2021)

Corridor South (6621L) mineralogical studies- an overview

Much higher VHM % was found in the white / grey sand areas / lithology in the east of the Corridor South license versus the red/red-brown sand lithology. There is gradual but clear increase in VHM% towards the south (Zulene deposit) of the license as well.

  • A sharp increase in ilmenite content in the HMC can be seen in the northeast of the license over the lithological boundary.
  • There is a sharp increase from nearly no leucoxene / weathered ilmenite in the HMC to the west of the lithological boundary, to a significant amount to the east of the boundary.
  • There is a clear increase in rutile content of the HMC towards the south of the license.
  • For Zircon and Rutile, content in the HMC is the same, with a sharp increase in both over the lithological boundary.

WATCH THIS VIDEO: Executive Corner- Expert Talks | Mr Andrew Van Der Zwan – Non Executive Chairman of MRG Metals

Decoding new targets

Through the findings of the mineralogical studies and possibly higher value assemblage composition, new targets can be generated wherein the high value and / grade VHM meets areas with higher THM grades.

Two areas towards the northeast of Corridor South, to the east of the Nhacutse and Poiombo deposits as well as in the Zulene deposit area, appear to be the best targets for additional exploration drilling.

Maps of VHM % with targets generated in Corridor South (Source: Company announcement, Aug 2021)

Meanwhile, drilling has been halted while the Company awaits lab assays to undertake MREs on the very high grade Koko Massava, Nhacutse and Poiombo. Reconnaissance auger drilling will begin in the eastern domain to find areas with high THM grade and the very high VHM content.

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