St Barbara Limited (ASX: SBM) has received positive returns from the remaining assay results from resource definition and exploration drilling of the Sorowar – Pigiput Trend portion of the 31 hole, 7,500-metre diamond drill programme at the Simberi Operations in Papua New Guinea.
“Hole SDH542 included 44 metres at 2.5 g/t Au from just 113 metres including 9.0 metres at 6.7 g/t Au and is another very encouraging broad intercept in the new mineralisation zone between Sorowar and Pigiput pits, but outside any current Mineral Resource,” Managing Director and CEO Andrew Strelein said.
“Hole SDH540 is on the same trend and included 24 metres at 2.0 g/t Au from 200 metres including 8 metres at 4.2 g/t Au.
“Hole SDH544 has demonstrated a fault appears to have displaced the northern extent of the trend however the southern part of the trend remains open to the southeast and is a priority for testing in FY25.
“The results for resource definition and exploration holes in Pigibo are expected to be reported later this month.
"Whilst these drilling results won't be included in the Mineral Resource and Ore Reserve update currently underway, they will be included in subsequent updates."
The Simberi sulphide resource definition drilling programme comprising of 23 holes for 4,587.6m was completed in April. The programme included 15 previously reported holes at Sorowar – Pigiput and eight new holes at Pigibo.
Separately, the Simberi sulphide exploration drilling programme comprising eight holes for 2,900m is now 70% complete. The programme includes four holes at Sorowar – Pigiput and four holes at Pigibo, testing for mineralisation down dip outside any current Inferred Resource area. To date, six holes have been completed for 2,043.1m.
Exploration drill holes SDH540, 541, 542 and 544 tested the interpreted northwest trending zone of the new mineralisation zone located between the existing Sorowar and Pigiput ore bodies but lie outside any current Inferred Resource area and outside the current conceptual sulphide pit design.