Calibre Intercepts High-Grade Gold & Silver Mineralization from Several Targets at its Eastern Borosi Mine Complex; Drilling Intersects Include 10.81 g/t Gold over 3.4 metres, 9.64 g/t Gold over 3.3 metres, 1,431.6 g/t Silver over 2.9 metres and 642.3 g/t - Seite 2
Darren Hall, President and Chief Executive Officer of Calibre, stated: “These drill results at Eastern Borosi reinforce the potential for discovery and resource expansion within the 176 km2 Eastern Borosi land package. Moreover, the exceptionally high silver grades demonstrate further potential to capture additional value in the future. During the second quarter of 2023, Calibre achieved a significant milestone as we commenced mining from our high-grade Guapinol open pit (see news release dated April 18, 2023). Today’s high-grade results, combined with the established Mineral Resource base at Eastern Borosi and the potential for mine life extension at our Guapinol operation, confirm the significant mineral endowment of the district. In addition, the 7,281 km2 Atlantic Mineral Concessions are at an early stage but have high potential for the discovery of both epithermal gold-silver and porphyry copper-gold mineral systems.”
Link 1 – Figures
Link 2 – Drilling Tables
Quality Assurance/Quality Control
Calibre maintains a Quality Assurance/Quality Control ("QA/QC") program for all its exploration projects using industry best practices.
Key elements of the QA/QC program include verifiable chain of custody for samples, regular insertion of certified reference standards and blanks, and duplicate check assays. Drill core is halved
and shipped in sealed bags to Bureau Veritas in Managua, Nicaragua, an independent analytical services provider with global certifications for Quality Management Systems ISO 9001:2008,
Environmental Management: ISO14001 and Safety Management OH SAS 18001 and AS4801. Prior to analysis, samples are prepared at Veritas’s Managua facility and then shipped to its analytical facility
in Vancouver, Canada. Gold analyses are routinely performed via fire assay/AA finish methods. For greater precision of high-grade material, samples assaying 10 g/t Au or higher are re-assayed
by fire assay with a gravimetric finish. Analyses for silver and other elements of interest are performed via Induction Coupled Plasma (ICP).
Qualified Person
The scientific and technical information contained in this news release was approved by David Schonfeldt P.GEO, Calibre Mining’s Corporate Chief
Geologist and a "Qualified Person" under National Instrument 43-101.
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About Calibre
Calibre is a Canadian-listed, Americas focused, growing mid-tier gold producer with a strong pipeline of development and exploration opportunities across
Newfoundland & Labrador in Canada, Nevada and Washington in the USA, and Nicaragua. Calibre is focused on delivering sustainable value for shareholders, local communities and all stakeholders
through responsible operations and a disciplined approach to growth. With a strong balance sheet, a proven management team, strong operating cash flow, accretive development projects and
district-scale exploration opportunities Calibre will unlock significant value.