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Legend Mining assays up to 24.7 metres at 1.35% nickel in Mawson diamond hole

“The key objective of the ongoing work at Mawson is to look for and find the primary source of this mineralisation,” said MD.

Legend Mining Limited - Legend Mining assays up to 24.7 metres at 1.35% nickel in Mawson diamond hole
Massive nickel-copper sulphide mineralisation in RKDD023 from 228.6 metres.

Legend Mining Limited (ASX:LEG) assays of up to 24.7 metres at 1.35% nickel, 0.77% copper and 0.11% cobalt from 219.2 metres confirm visual observations of nickel-copper sulphide mineralisation at the Mawson prospect within Rockford Project in WA’s Fraser Range.

The company is encouraged by assay results from massive and semi-massive sulphide from diamond hole RKDD023 as well as from five reverse circulation holes in the Eastern Geochemical Anomaly.

Within the 24.7-metre intersection were 3.05 metres at 1.11% nickel, 0.81% copper, 0.09% cobalt and 0.19 g/t platinum from 219.2 metres and 8.2 metres at 1.83% nickel, 0.86% copper and 0.15% cobalt from 228.7 metres.

Another 2.85-metre intersection from 237.5 metres assayed 1.71% nickel, 1.23% copper and 0.14% cobalt.

Seeking primary source

Legend managing director Mark Wilson said: “The assays from diamond hole 023 are in line with our expectations from visual observations and structural interpretations of the core.

“The key objective of the ongoing work at Mawson is to look for and find the primary source of this mineralisation.”

Diamond hole RKDD023 was designed to test a very strong 25,000-30,000S offhole conductor identified from diamond drill hole RKDD021.

Wide zone intersected

RKDD023 intersected a wide zone of nickel-copper mineralisation over 90 metres downhole from 216.45 metres in an interleaved intrusive and metasedimentary assemblage, before finishing in metasedimentary package.

Assay results confirm the field observations of remobilised sulphide, suggesting the mineralisation intersected is not the primary source.

DD and RC drilling locations over Mawson aircore geology interpretation.

Diamond drilling ongoing

Diamond drilling of DHTEM targets generated from RKDD023, RKDD025 and RKDD026 is ongoing although the program has been disrupted by unforeseen weather and associated logistical issues.

The first proposed hole was to test the 6,000-15,000S conductor but did not intersect the conductor at the modelled depth.

Subsequent DHTEM in the hole has suggested the feature is below the bottom of the hole and geophysical advice is the hole be extended.

This is scheduled once the current hole testing the 25,000-70,000S conductor off hole from RKDD025 is completed.

RC assays

Legend has also received assays from RC holes RKRC023 through RKRC027 over the Eastern Geochemical Anomaly with three of these holes returning anomalous nickel-copper-cobalt intercepts.

Results confirm drilling visual observations that primary mineralisation continues below the aircore drilling into the primary intrusive rock suite.

Geological, geochemical and geophysical datasets continue to be integrated on receiving data to design and target potential nickel-copper sulphide accumulations with diamond drilling.

Wilson said: “The anomalous RC assays returned from the three holes in the Eastern Geochemical Anomaly have added to the geochemical and geology datasets for this area.

“Ultimately, the assimilation of all these datasets will lead to diamond drill targets over this eastern area of Mawson.”

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Legend Mining intersects significant nickel-copper sulphides at Mawson

Legend Mining Limited's (ASX:LEG) Mark Wilson caught up with Proactive's Andrew Scott after announcing they've intersected a total of 24.65 metres of nickel-copper sulphides in a diamond hole at Mawson prospect within the Rockford Project on WA’s Fraser Range. Hole RKDD021 hit two encouraging...

on 14/8/20

3 min read