Kincora Copper Limited (TSXV/ASX:KCC) has significantly confirmed and extended the new southern zone discovery at the Trundle Park prospect in NSW, Australia.
Trundle Park is located within the brownfield Trundle project, within the prolific Macquarie Arc of the Lachlan Fold Belt (LFB),
The latest positive results add to Kincora’s recent market momentum which has seen the company’s share price jump by as much as 15% since they participated in the 121 Mining Investment Online EMEA event on February 22-24.
Kincora Technical Committee chair, John Holliday, and VP of Exploration, and Peter Leaman, said that while only two holes in at Trundle Park, hole TRDD030 confirms the company is onto something of significance in this newly identified southern extension of the mineralised system at Trundle Park, providing increasing confidence of Kincora’s geological interpretations.
“Our working model is that TRDD029 and TRDD030 sit in a down faulted and more mineralised section of the wider system.
“We are seeing broad zones of multiple chalcopyrite bearing mineralizing events and phases, and the most amounts of visual chalcopyrite to date at the Trundle project.
“The intersected skarns zones and vein sets systems have provided important vectors for follow up drilling and are suggestive of very considerable primary source.”
Hole TRDD030 has returns broad intervals of two mineralising phases, both with zones of significant visual chalcopyrite (assay results pending):
o Cumulative mineralised skarn intervals enlarged and totals ~250m
o Extension of quartz-carbonate-chalcopyrite vein sets down dip with increased veining and visual chalcopyrite
o Skarn bedding and vein orientation provide vectors for following up drill testing of the interpreted causative porphyry intrusion source.
Hole TRDD030 was collared approximately 685m SSE as a scissor hole testing the up and down dip extent of the Upper skarn zone in TRDD029 and for a causative porphyry intrusion.
The previously announced hold TRDD029 was designed to test the nearer surface intrusions returned in TRDD028 and the southern strike of an emerging mineralised corridor. The hole was continued with newly identified quartz-carbonate-chalcopyrite vein sets increasing with depth before intersecting multiple blind and new broad higher-grade skarn zones.
This was a significant positive development for the project, with these skarn zones exhibiting favourable prograde development, characterised by garnet-magnetite-pyrite, within three notable separate intervals: the Upper Skarn; Middle Skarn; and, Lower Skarn zones, with significant cumulative altered and/or mineralised intervals of some 213m.
Each of these three zones had visible disseminated chalcopyrite associated with the prograde skarn intervals, often with magnetite. garnet and pyrite.
Good examples of bladed magnetite were also observed in the prograde skarn assemblages in hole TRDD029. The assay results for the Upper Skarn zone included 36m @ 0.68 g/t gold and 0.29% copper from 732m with the balance of the hole delivered to ALS Orange and remaining results expected in approximately two weeks (impacted by current congestion at the laboratory). Core for TRDD030 has also been delivered to the lab and is expected in approximately six weeks
As anticipated, TRDD030 has provided significant new skarn bedding and true width data, but also positively surprised with the following key developments:
• Extension of quartz-carbonate-chalcopyrite vein sets: Increased vein sets and visual chalcopyrite where noted over 330m down dip from TRDD029 (assays pending). New confirmationary vein orientations have been gained from TRDD030, with a similar NE-trending direction as noted in TRDD029, possibly developed as leakage along fractures emanating from a deeper copper bearing system and providing vectors for follow up drilling.
• Strike and depth extension of mineralised skarns: The cumulative altered and/or mineralized skarn intervals were extended and totals almost 250m (assays pending) (relative to some 213m in TRDD029). Respective units of the Upper, Middle and Lower Skarns from TRDD029 were intersected in TRDD030. For example, the Middle skarn zone was extended vertically over 100m and over 150m horizontality (at end of zone).
The working interpretation is that TRDD029 and TRDD030 sit in a down faulted, preserved, less faulted and more mineralised section of the wider Trundle Park system.
Multiple chalcopyrite bearing events and phases have been noted with the highest visual chalcopyrite seen to date at the Trundle project. The size of the skarns (very significant in the context of the Macquarie Arc) and vein set systems are suggestive of a significant primary source.
Holes TRDD029 and TRDD030 have provided important geological vectors for follow up.
Initial follow up hole TRDD031 has commenced, a 50m step out west of TRDD030, targeting the interpreted up dip potential of the system.
TRDD031 will test recently gained skarn bedding, chalcopyrite quartz vein orientation and the core of a magnetic high anomaly.
Air-core drilling commenced Following completion of annual farming harvests, the return of favourable ground conditions and intrusions being intersected nearer surface in holes TRDD028 and TRDD029 at the Trundle Park prospect, a second rig has commenced a shallow air-core drilling program.
This programme will test priority areas of the wider intrusive complex to the north of Trundle Park at the Dunn’s and Ravenswood South prospects, located 2km north and 5.5km north-west respectively.
A planned 54 holes for 2,020 metres is expected to be completed within a month at the Trundle project, following up previous copper -gold geochemistry anomalies.
Shallow near surface drill hole coverage at the majority of the Trundle project is broadly spaced relative to the nature of the narrow but vertically extensive Macquarie Arc porphyry model with many identified geochemical anomalies not sufficiently followed up.
The commenced air-core programme seeks to better understand the potential for nearer surface intrusions and extent of identified anomalous copper-gold mineralisation at open pit target depths within these prospect areas.
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