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A Resource Exploration

And Development Company

NexusGold GreenBelt Locator onlyNEXUS 2 AfricaBurkinaFaso

The Bouboulou exploration permit covers an area of 38.8 square kilometers approximately 75 kilometers north-west of the capital Ouagadougou and is accessible by paved road.  The Bouboulou permit is located on the Boromo-Goren greenstone belt and is bisected by the Sabce shear zone. This regional north-east trending structure hosts numerous artisanal workings along its 120 kilometre length and also hosts the Bissa Hills deposit presently being mined by Norgold.  Three 5km anomalous gold trends exist on the property along with numerous artisanal zones (orpaillages).

Gold mineralization was first identified at Bouboulouby Boliden in 1997 where a regional Rotary Air Blast (RAB) drilling program outlined a broad north-east trending gold anomaly measuring 13km by 2km over what is now the Bouboulou permit. The concession was then explored by Riverstone Resources and Roxgold Inc.

Highlights of these surface exploration programs include surface rock sampling and trenching that returned gold grades from 1.09 to 19.16 g/t. Four zones of gold mineralization have been identified on the property, termed Koala, Rawema, Bouboulou 2 and Pelatanga.

In 2011 Roxgold completed 43 reverse circulation (RC) holes and 8 diamond drill (DD) holes to test the four mineralized zones.  

Historical Drill Results

Significant Reverse Circulation drilling results include:

Hole Azimuth Dip Depth (m) From To Length (metres) g/t Au Zone
BBL-11-RC-003 320 -55 103 24 34 10 1.10 Pelatanga
      Includes 30 32 2 3.66  
BBL-11-RC-005 120 -50 103 60 64 4 1.86 Bouboulou 2
BBL-11-RC-006 120 -67 115 70 110 40 1.54 Bouboulou 2
      includes 70 90 20 2.25  
      and 100 110 10 1.42  
BBL-11-RC-012 300 -50 120 100 108 8 1.21 Rawema
BBL-11-RC-013 300 -50 109 74 109 35 2.20 Rawema
      includes 74 86 12 5.45  
BBL-11-RC-020 270 -55 103 40 50 10 2.84 Koala
      includes 42 44 2 12.45  
BBL-11-RC-021 240 -55 130 6 8 2 3.94 Koala
BBL-11-RC-022 270 -60 133 44 48 4 1.63 Koala
BBL-11-RC-024 320 -55 193 38 44 6 1.95 Pelatanga
BBL-11-RC-027 120 -45 120 90 114 24 1.36 Bouboulou 2
BBL-11-RC-028 120 -60 162 130 132 2 2.53 Bouboulou 2
BBL-11-RC-031 120 -45 144 78 94 16 1.18 Bouboulou 2
BBL-11-RC-036 120 -50 120 8 10 2 1.42 Rawema
BBL-11-RC-038 130 -55 144 114 116 2 1.53 Koala
BBL-11-RC-039 120 -50 150 116 130 14 1.37 Koala
BBL-11-RC-041 130 -50 138 52 54 2 2.04 Koala
BBL-11-RC-042 320 -55 114 40 46 6 1.26 Pelatanga
      includes 52 54 2 3.80 Pelatanga

* The above reported data are drill intercept lengths are not true widths

Significant Diamond drilling results include: 

Hole Azimuth Dip Depth (m) From To Length(metres) g/t Au Zone
BBL-11-DD-002 315 -45 127 42 44 2 5.43 Rawema
BBL-11-DD-003 135 -45 142 56 58 2 5.33 Bouboulou 2
        78 82 4 12.53  
        96 98 2 1.59  
BBL-11-DD-005 300 -50 179 74 80 6 4.62 Rawema
      includes 77.7 78 0.3 81.32  
BBL-11-DD-006 120 -50 127 91.5 93 1.5 1.74 Bouboulou 2
BBL-11-DD-008 320 -45 198 125 127 2 2.55 Koala

* The above reported data are drill intercept lengths are not true widths                                  

The RC drill program showed that the property returned significant gold intercepts over good distances as returned in holes BBL-11-RC-06 (40 metres at 1.548 g/t Au), BBL-11-RC-013 (35 metresat2.209g/t Au) and BBL-11-RC-027 (36 metres at 1.36g/t Au).

The Diamond drilling program returned some significant gold intersections: BBL-11-DD-05 (4.62 g/t Au over 6 metres, including 81.32 g/t Au over 0.3 metres), BBL-11-DD-03 (5.33 g/t Au over 2 metres, 12.53 g/t Au over 4 meters and 1.59 g/t Au over 2 metres) and BBL-11DD-02 (5.43g/t Au over 2 metres).

These results verify that zones of potentially economic gold mineralization exist on the property. The goal of the current exploration program is to establish continuity of these zones and if possible, to extend them.

The initial program will consist of up to 2000 metres of diamond drilling to a maximum depth of 400 meters.

Bouboulou Trend Analysis

The Company has compiled historical data including airborne geophysics, Rotary Air Blast (RAB) drilling, geochemical sampling, reverse circulation drilling, diamond drilling and the location of orpaillages (zones of artisanal gold mining). The compiled data reviewed consists of over 7000 assays collected between 2011 and 2012.

This data displays three strong coincidental geochemical and geophysical anomalous gold trends. These new trends extend from the four drill-identified mineralized zones, namely Rawema, Peletanga, Bouboulou 2 and Koala.  Each of the three trends extends in length for 5000 meters (5KM). They are identified by numerous orpaillages and geochemical samples of greater than 1 gram per tonne gold.

All three of the Bouboulou trends identified are defined by similar coincidental anomalies.  Each trend has substantial artisanal workings either directly on them or along the trend.

The geochemical and geophysical data collected thus far at Buoboulou, the fact that the known gold bearing Sabce shear zone bisects the property, and the abundance of artisanal workings, all attest to the gold mineralization on the property. 

The potential for two types of gold deposits exist at Bouboulou.  The PR and KB trends appear to be lithologically controlled and would be more likely to potentially host gold deposits consistent with the belt in the 20 to 40 million tonne range at grades of 1 to 3 grams per tonne.  The B2 trend being oblique to the main shear could possibly host a higher grade lower tonnage type deposit in the 5 to 7 million tonne range at grades of 5 to 7 grams per tonne.

*It should be emphasized that these statements are based on analysis of available data and are not meant to suggest deposits exist as noted.  Nexus Gold plans to further drill test the property to validate the modelling and establish the extent of mineralization present.

NexusGold Boub1

In June 2017, the Company identified a new zone of interest at Bouboulou, increasing the total of mineralized zones from four to five with the addition of “Rawema West”.

A sampling program targeted new areas of interest at the Koala zone, and west of the Rawema zone, in preparation of phase one diamond drill program.

Highlights of the program include high-grade quartz sample BBL-012, which contained visible gold, taken from an artisanal shaft (or orpaillage pit) 70 metres below surface at the Koala zone, that returned 66.1 grams-per-tonne ("g/t") gold ("Au"). Sample BBL-013 (quartz material containing pyrite), also taken from an artisanal shaft at approximately 70 metres below surface, returned a value of 29 g/t Au.

The company geologists determined the presence of a new mineralized zone through the observance of increased artisanal activity, and the result of rock sampling taken from the newly observed area.

Rawema West occurs approximately 1000 metres west of the main workings at the previously identified Rawema site. The Artisanal workings extend some 150 metres in length and appear by observation to extend to depths of greater than 20 metres. This fifth zone adds to the four previously identified zones (Rawema, Bouboulou 2, Pelatanga and Koala) at the concession.

Seven of the fourteen samples taken at this time returned greater than 1 g/t Au.  Those results from both Rawema West and Koala are tabled below:

Sample ID Gold (g/t) Sample type Zone
BBL-004 9.69 Select Rawema West
BBL-005 2.62 Select Rawema West
BBL-006 4.41 Select Rawema West
BBL-007 4.84 Select Rawema West
BBL-012 66.1 Select Koala
BBL-013 29 Select Koala
BBL-014 2.20 Select Koala

The trend of the workings at Rawema West run roughly parallel to the Pelatanga-Rawema ("PR") trend that the company intends to test with its upcoming diamond drill program.