Thomson Resources Limited

High-Grade Copper Target Identified at Mt Carrington

Thomson Resources (ASX: TMZ) (OTCQB: TMZRF)(Thomson or the Company) advises that it has identified a high-grade copper sulphide target in hole KYDD001 during a review of previous exploration data. The copper mineralisation is located near the Kylo gold resource in the polymetallic central core zone at Mt Carrington (Figure 1).


HIGHLIGHTS

  • High-grade copper target identified near the Kylo gold-zinc resource at the Mt Carrington Project
  • Semi-massive copper sulphide veins are located below a broad supergene copper zone
  • Copper intersections in drilling are aligned within the All Nations structural corridor that extends for over 1km
  • Additional drilling has been prioritised to follow up the high-grade mineralisation within this poorly tested trend
The target has been prioritised for follow up drilling as part of a broader resource extension drill program being developed to support Thomson’s polymetallic New England Fold Belt Hub and Spoke (NEFBHS) strategy.
Rex Minerals Ltd (ASX:RXM) drilled diamond hole KYDD001 in February 2009 (see RXM ASX Release dated 30 March 2009) targeting a southwest dipping extension of the gold mineralisation at Kylo that is hosted by breccias on the contact between an intrusive andesitic rock and sediments. The hole failed to intersect any significant Kylo-style gold mineralisation but did intersect two broad zones of copper sulphide mineralisation (Figures 2-4).
  • 18.65m at 5.8% Cu, 0.74% Zn, 0.1g/t Au from 52.35m and
  • 10.1m at 7.26% Cu, 2.58% Zn, 0.12g/t Au from 88m

The copper mineralisation comprises several weakly banded quartz veins with semi-massive pyrite- chalcopyrite hosted by chlorite-carbonate altered volcanic rocks. The mineralisation has a brecciated appearance, and the core is broken in places making the orientation of the veins difficult to determine precisely.

Hole KYDD001 is located in a broad area of supergene copper mineralisation centred on the Gladstone prospect area but extending east and northeast to All Nations and Kylo (Figure 3). On a hill at Gladstone there are numerous old workings exploiting narrow veins but there has been strongly near-surface leaching with drilling indicating copper mineralisation commences in a supergene zone at ~30m depth. The copper mineralisation is within a northwest trending structural corridor called the All Nations Trend. It is possible that the copper sulphide mineralisation in KYDD001 partly explains the supergene copper mineralisation. KYDD001 was drilled from the southwest towards the northeast parallel to the All Nations structural trend and as a consequence could have been drilled oblique to structures giving an exaggerated thickness to the sulphide mineralisation.

KYDD001 was not followed up with further drilling by Rex Minerals or White Rock Minerals Ltd (ASX:WRM) because their target was gold mineralisation supporting their ‘gold first’ development strategy. However, White Rock did drill other holes within the All Nations corridor. Hole KYDD016 drilled 100m to the northeast on the margin of the Kylo resource intersected 25m at 1.26% Cu from 12m and hole GHDD005 intersected 6m at 2.75% Cu from 105m. These copper intersections and a historic working with malachite stained mullock (Figure 5) could indicate the strike of the copper trend that extends for over 500m.

Additional drilling has been prioritised to follow up the intersection in hole KYDD001. The drilling will be designed to intersect the high-grade copper mineralisation perpendicular to the interpreted northeast trending structural control to resolve the structural control and orientation of the mineralisation.


Click here for the full ASX Release

This article includes content from Thomson Resources Limited, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.


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