Quebradona

The Quebradona gold property is located approximately 220 kms northwest of the Colombian capital of Bogota and approximately 60 kms south-southwest of Medellin, the regional capital of the Department of Antioquia.

The 6 by 4 km wide Quebradona district hosts the five gold-bearing porphyry systems of Aurora, La Sola, Isabella, Tenedor and Chaquiro that contain widespread gold mineralization in surface rock chips. B2Gold carried out an exploration program on the Quebradona property consisting of mapping, stream sediment sampling, systematic soil sampling, detailed rock chip sampling and an airborne magnetic survey.

The stage one 5,500 m drill program commenced in February 2008 and is designed to test the five gold-bearing systems with emphasis on the Aurora zone where a minimum of 3,000 m of drilling is planned.

To date three holes totaling 596 m have been drilled on the Aurora zone with two additional drill rigs scheduled to be on site. Previous trench and outcrops sampling in the Aurora zone returned impressive gold values up to 41.5 m at 2.05 ppm Au.

The Aurora system consists of two strong gold occurrences contained within a suite of intermediate intrusive rocks that indicate the presence of a long lived hydrothermal system. Aurora covers an 800 by 700 m area and is comprised of the 700 by 350 m La Mama zone and the 400 by 250 m La Isla zone separated by 200 m of low-grade late mineral porphyry. Gold mineralization is hosted by strong potassic-altered diorite and microdiorite with abundant magnetite-quartz veins and stockworking. There are indications from an airborne magnetic survey that porphyry mineralization may extend outwards laterally under volcanic cover.

Work at La Sola, located four kilometres south of Aurora, outlined a 1,300 m by 250 to 400 m zone of anomalous gold in soils (values up to 1.12 ppm Au) containing widespread anomalous rock samples returning up to 2.02 ppm Au in potassic-altered diorite with abundant quartz-magnetite stockworking and veining. In addition, the La Sola geochemical anomaly is coincident with a prevalent NW-trending magnetic high anomaly outlined in the airborne magnetic survey. Six kilometres southwest of Aurora, panel sampling at Isabella returned up to 19.9 m at 3.15 ppm Au and 9.5 m at 1.49 ppm Au in a 70 m wide structural corridor containing stockwork and sheeted quartz-sulphide veining in potassic-altered volcanic rocks. Individual samples at Isabella returned up to 8.32 ppm Au in rocks and 6.67 ppm in soils.

At Chaquiro, located 2.5 km southwest of Aurora, a 2.5 by 2.0 km phyllic alteration zone in the volcanic and intrusive package containing local quartz-sulphide-magnetite stockwork returned anomalous gold values up to 0.99 ppm Au. Potassic-altered diorite with magnetite-quartz veining and stockwork at the adjacent Tenedor zone showed values up to 0.50 ppm Au over a 300 by 300 m area with soil values up to 0.78 ppm Au. Results from the 1,320 line-km helicopter airborne magnetic survey carried out over the entire Quebradona property show several prominent magnetic anomalies that will be followed up with detailed surface work and diamond drilling.

The geological setting and favourable alteration and mineralization shown at Quebradona are consistent with characteristics for well known districts elsewhere in the world for the presence of potentially economic gold grades in gold porphyry systems. The Quebradona drill program is intended to determine the existence of possible large-tonnage, gold deposits that may be amenable to open pit mining and low cost mineral extraction.

A stage two drill program is planned to be carried out on the Quebradona property based on favourable results from the stage one drill program.

The Quebradona property forms part of the Colombia Joint Venture Agreement with AngloGold Ashanti, that encompasses an area of mutual interest of 220,000 square kms, whereby B2Gold has the right to earn up to a 100% interest in the property (subject to certain back-in rights of AngloGold Ashanti) by carrying all property and exploration costs and performing 5,000 mof exploration drilling on the Quebradona Property.

To view the Quebradona 2nd Vertical Derivative click here


To view the Regional Geology of Quebradona click here

To view the Quebradona - La Aurora Target click here

To view the Drill Hole Locations click here

To view the Drill Hole Location Map click here
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