Stratum Metals (ASX: SXT) has uncovered grades of up to 1.14% nickel in a recent field sampling program on an area of gossan previously sampled at its East Menzies Goldfields Project in Western Australia.
Nickel grades of between 0.06% and 1.14% were returned for 13 samples collected to the south of the previously sampled area that returned grades of 1.47% nickel.
Field investigations identified an area of scattered gossanous sub-crops extending over 410 metres.
This area represents one of three identified sulphide prospects identified on the East Menzies Goldfields Project tenements.
With the aerial electromagnetic survey underway and drilling currently planned for previously identified electromagnetic conductors, Stratum will focus on compiling these initial results and progressing its exploration of massive sulphide targets.
Potential supergene enrichment
Last month the company discovered nickel and copper sulphide minerals that indicate the potential for supergene sulphide enrichment at the East Menzies Goldfield Project.
An ongoing review and compilation of past exploration revealed petrographic studies identifying violarite and covellite, which are often associated with supergene enrichment of sulphide ores.
Supergene sulphide violarite, nickel-cobalt sulphide, gossan sampling returned grades of 1.47% nickel and 0.12% cobalt and up to 2,511 parts per million nickel samples, along with elevated silver, arsenic, copper, lead and zinc.
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