An auger drill rig at Yarbu. Source: Twenty Seven Co
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  • Twenty Seven Co (TSC) confirms gold mineralisation across three areas within its Yarbu project in WA
  • A recently completed auger drilling program highlighted three broad areas of anomalous gold, with Area 1 covering 1.4 kilometres by 700 metres
  • Drilling also returned a peak grade of 92.7 parts per billion gold to the north of the project area
  • Twenty Seven Co will now review geochemical sampling data to refine priority areas for aircore drilling
  • Company shares have been trading flat today at 0.4 cents

Twenty Seven Co (TSC) has confirmed gold mineralisation across three broad areas within its Yarbu gold project from a recent bout of exploration drilling.

The company recently completed an auger drilling program at the WA-based project which included 348 holes to follow up on anomalies and results from drilling in 2021.

The results from this latest program returned grades of up to 92.7 parts per billion (ppb) gold among a background level of 10 to 15 ppb gold in the northern part of the Yarbu project.

Drilling also confirmed the presence of several anomalies already identified across the project area and generated a further anomaly which can be subdivided into four broad areas.

TSC said Area 1 showed a gold-in-soil response covering 1.4 kilometres by 700 metres and appeared to have associated zinc and molybdenum. The area was originally 1.9 kilometres by 1.4 kilometres but infill auger sampling has reduced the area of anomalism which reportedly helps with planning future drilling

Areas 2 and 3 sit adjacent to the Clampton North prospect which was historically identified by Polaris Metals. Polaris identified the prospect by defining a 1000-metre by 200-metre auger anomaly containing a core of more than 100 ppb gold over an area of 200 metres by 100 metres.

Meanwhile, Area 4 is a discrete gold anomaly with arsenic, lead and zinc that measures 1.5 kilometres by 600 metres.

“This latest auger campaign confirms gold mineralisation across the three broad areas within the Yarbu project and has tightened the area of gold-in-soil anomalism identified in 2021,” TSC Non-Executive Chairman Rohan Dalziell said.

“This allows our technical team to accurately review and confidently plan drilling programs with the aim of identifying further gold mineralisation at depth.”

Looking ahead, Twenty Seven Co will undertake a full review of geochemical sampling from last year and this year so far to refine priority areas for aircore drilling.

TSC shares were trading flat at 0.4 cents at 1:09 pm AEST.

TSC by the numbers
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