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Bluebird Merchant reports ‘excellent’ results from Gubong ore sample yields

The Asia-focused resource development group said additional test work carried out on the Gubong oxide sample using a simple process known as vat leaching yielded recoveries of more than 90% (up to 97%)

gold mineralisation
Bluebird said additional test work using enhanced gravity separation have yielded gold recoveries of around 70% into 3% of the mass

Bluebird Merchant Ventures Ltd (LON:BMW) has announced it has received "excellent’ results" from vat leach metallurgical test work conducted on an ore sample from Adit 4 at the Gubong mine in South Korea.

The Asia-focused resource development group said additional test work carried out on the Gubong oxide sample using a simple process known as vat leaching yielded recoveries of more than 90% (up to 97%).

READ: Bluebird Merchant super-confident about South Korea's mining potential

Bluebird said as the leached and washed ore is of coarse size, it may be readily used as a back-filling material or sold as aggregate.

The company also said that additional test work using enhanced gravity separation have yielded gold recoveries of around 70% into 3% of the mass.

“Simply put, this means that using just a gravity process on 100 tons of ore, 70% of the gold can be captured in just 3 tons of concentrate. The remaining 30% of gold in 97 tons can be stockpiled for later processing,” the company said.

Bluebird said a sample of Gubong tailings (material that has been processed during previous operations), has been received and is being subjected to preliminary diagnostic tests.

Colin Patterson, CEO, of the company, said: "These encouraging results evaluated to date provides us with great confidence that the ore is not problematic and does not require complicated or expensive extraction techniques. This will allow the Company to consider in its feasibility low-cost options for the design and construction of its processing plant."

Quick facts: Bluebird Merchant Ventures Ltd

Price: 4 GBX

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