22:23:36 EDT Tue 14 May 2024
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Cosigo Resources Ltd
Symbol CSG
Shares Issued 93,472,512
Close 2024-04-22 C$ 0.055
Market Cap C$ 5,140,988
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Cosigo converts drill to btw system at Taraira North

2024-04-23 00:28 ET - News Release

Mr. Andy Rendle reports

COSIGO DRILL CONVERSION TEST AND RESULTS

Cosigo Resources Ltd., at its Taraira North property, has completed converting its on-site field-portable Hornet 45-horsepower drill from a reverse circulation system to a thin-wall btw drill rod core system. This method recovers 48-millimetre-size diameter core enhancing sample size. The senior geological professor Ricardo Tobon and Cosigo's drill team initiated the hydraulic and water pressure systems in a challenging minus-50-degree hole oriented perpendicular to the strata. Its first drill hole reached 57 feet, at which depth sanding choked the drill system and the drill was reset to a steeper minus 70 degrees achieving 80-foot depth.

The Hornet drill has a small footprint, can be moved readily using available manpower and is ideally suited for reconnaissance testing of the company's large area of rugged jungle-like ground. Its potential convertability between RC and core functions will allow the technical team to more readily reach locations that would require much greater efforts if a larger machine were employed while still retaining versatility.

Placement of the test drill holes was determined for convenience near the Cosigo camp tool shop and not for geological potential. The test holes were named Gallinero, the Spanish word for Cosigo's camp chicken coop.

The operating experience will help guide innovative improvements to the existing drill and, possibly, selection of an alternative, more robust machine. Cosigo's geological and drill team will consider the results of drilling difficulties, logistics, core recovery and other issues, and will endeavour to design an efficient and practical drilling campaign. Core handling and sampling issues will also be improved.

The equipment test and stratigraphic information will assist future selection of target drill angles, depths and locations. Cosigo currently is reaching out to a known Canadian commercial drill contractor with drills located in Bogota regarding provision of a machine capable of reaching greater depths with power to overcome sanding and broken formations.

Drill holes Gallinero 1 and 2

The core retrieved from Gallinero 1 and 2 holes provided improved stratigraphic study and, incidental to the test, revealed a previously unsuspected conglomerate layer from a depth of nine feet to 25.67 feet below the camp. The rest comprised sandstone. Atomic absorption assays of 50-gram Gallinero 1 samples showed three of 11 samples contained 10 parts per billion or greater gold with one sample returning 20 ppb Au. Four of 12 conglomerate samples from Gallinero 2 drill hole returned assays of 10 ppb Au. A two-sample screen test showed no benefit compared with values obtained from standard samples.

Gallinero 2 was assayed in its entirety of 80 feet and, in addition to the conglomerate mentioned above, returned assays of 170 ppb Au and 380 ppb Au in samples from near the bottom of the hole. Although the Cosigo team hoped to reach greater depths, in particular a known conglomerate layer, sand in the rock package could not be overcome using the small machine.

Stratigraphic and mineral information from G-1 and G-2 will be added to the company's district geological database and ultimately contributes to the larger ridge map in the Cosigo mineral concession.

Cosigo believes that a significant nugget effect may apply to Taraira gold mineralization that needs to be considered in future when evaluating the property. Also, the company is exploring use of the innovative Chrysos analytical process that may offer substantial savings.

Erik Ostensoe, PGeo, a geological consultant to the company and a qualified person as defined by National Instrument 43-101, has reviewed Gallinero 1 and 2 drill cores, and approves the scientific and technical disclosure in this news release.

About Cosigo Resources Ltd.

Cosigo is a junior exploration company trading on the TSX Venture Exchange's NEX Exchange (symbol CSG.H). The company is exploring and developing its 100-per-cent-owned properties in the Taraira gold district in southeastern Colombia near the border of Brazil. The company also holds a 100-per-cent interest in the Willow Creek property, located near Winnemucca in the northern sierras of Nevada, and a 100-per-cent interest in the Damian property in the Cordillera region of Colombia, and owns 13.26 per cent of DHK Diamonds Inc., a company exploring for diamonds in the DO27 region of the Northwest Territories of Canada.

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