Unlocking the Tapajós: Record-Setting 87.4 g/t Gold Strike Redefines District Potential

2026-03-12 14:06:19 ET

With bullion prices establishing a new floor above the US$5,000/oz threshold, the widening gap between historic gold valuations and the rigorous cost management of mining companies has created a massive valuation disconnect. Profit margins are higher than they have ever been, allowing producers to generate significant free cash flow. In this environment, savvy investors are chasing developers and explorers who might sit on the next big deposit.

Cabral Gold Inc. (TSX-Venture: CBR) (OTCQX: CBGZF) just gave the market a compelling reason to pay attention, reporting the highest-grade drill intercept in the history of the Cuiú Cuiú Gold District in Brazil. The company announced this morning that diamond drill hole DDH372 at its Jerimum Cima target returned a staggering 9.5m at 87.4 g/t gold, including a high-grade core of 2.9m at 285.5 g/t gold.

This result effectively redefines the potential of Jerimum Cima, which sits 3km from the existing Central gold deposit but is not yet part of the project's formal resource base. The discovery is located along a major east-west trending fault zone that branches off the regional Tocantinzinho fault system. These latest results suggest a central bonanza zone of very high-grade material localized at the intersection of E-W and NW-SE trending structures. This high-grade core appears to be surrounded by a broader mineralized envelope of lower-grade stockwork mineralization that is up to 200m wide and extends at least 750m along strike. Crucially, the broader zone and the central high-grade core remain open along strike and at depth, suggesting a system of significant scale that has yet to be fully defined.

The location of Jerimum Cima is strategic. Situated just 3km from Cabral's existing Central deposit, which already has a formal resource estimate, any ounces defined here would be entirely additive. If follow-up drilling confirms the grades and continuity, the company could look at a second, independent resource base on the same property.

To put the scale of this discovery into context, the historical exploration data from the surrounding district tells a striking story of just how rare these high-grade bonanza hits truly are.

To understand why 87.4 g/t matters rare these high-grade bonanza hits truly are so much here, look at the neighbour. The Tocantinzinho (TZ) mine, located adjacent to Cabral’s property, is characterized by a single, massive lower-grade ore body. During its 11-year tenure as the owner and primary developer of the project, Eldorado Gold (TSX: ELD) conducted extensive regional drilling to find satellite deposits. Despite that decade-long effort, their best single drill result outside the main Tocantinzinho (TZ) deposit was 20m at 1.73 g/t gold. More recently, G Mining Ventures (TSX: GMIN) , which successfully brought TZ into commercial production in 2024, reported its own best regional intercept of 10m at 1.1 g/t gold. (Source: CBR Presentation, Page 7 )

TZ holds reserves of 2.1M oz grading 1.24 g/t Au (Source: G Mining Mineral Inventory ). While one drill hole does not make a mine, it signals that something different is happening at Cuiú Cuiú.

The district has the pedigree to support this thesis. Cuiú Cuiú's historical production, which was about ten times greater than Tocantinzinho's, suggests a large-scale primary system that modern methods have not yet fully explored. CBR shares moved up 13% on the day to $1.23. With drilling continuing on the east and north-northeast extensions and assays pending for several additional holes, Cabral checks every box for small-cap gold investors: Active drilling in a known belt, results that demand follow-up, and a resource footprint that is primed for material growth.

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