Geology


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Geology

The regional geological setting of Vetas is the Santander Massif in the Eastern Cordillera of the Colombian Andes. The rocks that comprise the Santander Massif are amphibolite grade gneisses, migmatites, and meta-sediments of the Precambrian Bucaramanga Formation. Vetas is underlain predominately by orthogneiss of the Bucaramanga formation, cross-cutting felsic dykes, stocks of variable composition, and intrusive fingers of granitic rocks related to the Santander Igneous Complex. The Santander Massif hosts a number of important epithermal gold occurrences including Eco Oro Minerals Corp.’s Angostura deposit and AUX Resources Corp.’s La Bodega, La Mascota, Pie de Gallo, La Baja, San Celestino, Callejón Blanco and Buenavista deposits. All of these deposits are focused along northeast trending structures. 

Mineralization

The mineralization at the Vetas Gold Project comprise several systems of narrow high-grade Au-Ag veins striking northeast and northwest, with moderate to steep dips. They exhibit multiple phases of quartz vein emplacement and reactivation associated with intense argillic alteration and sulphide mineralization. The vein gangue is comprised of equal proportions of chalcedonic quartz and feldspar, and the main sulphide constituent is pyrite (5% to 15%) with lesser galena, sphalerite and chalcopyrite. Fine to medium-grained visible gold is occasionally observed in association with pyrite. Higher grade mineralization often occurs within steeply plunging ore shoots controlled by vein wall flexures and structural intersections.

Between November 2010 and November 2013 Red Eagle Mining completed a total of 71,035 metres of diamond drilling in 162 holes from surface platforms. Highly encouraging results were returned from several of the known vein systems distributed throughout the project area, including:

  • 177 intersections with grades in excess of 5 g/t (0.15 oz/t) Au;
  • 100 intersections with grades in excess of 10 g/t (0.3 oz/t) Au; and
  • 33 intersections with grades in excess of 30 g/t (0.9 oz/t) Au.

Past diamond drilling results from Vetas highlight the excellent potential for high-grade gold and silver vein mineralization, including a multitude of other highly encouraging intersections with grades above 30g/t Au (shown in Table 1 below):

Table 1 – Vetas Drill Intersections > 30 g/t Au

 

Hole ID From (m) To (m) Length (m) Au (g/t) Ag (g/t)
AR-062 162.32 163.06 0.74 506.69 89.70
AR-068 199.00 200.00 1.00 34.75 46.70
AR-070 245.05 245.70 0.65 79.00 19.80
RM-003 90.30 90.92 0.62 35.10 61.10
RM-005 200.20 201.16 0.96 30.90 10.05
RM-006 232.37 233.37 1.00 33.50 4.70
RM-006 247.15 247.83 0.68 33.90 2360.00
RM-017 135.63 136.60 0.97 109.00 15.05
RM-022 277.00 277.80 0.80 34.60 21.40
RM-031A 198.88 200.82 1.94 42.25 11.71
RM-042 50.15 51.08 0.93 66.79 21.90
RM-046 31.32 33.41 2.09 325.11 26.20
RM-046 143.83 145.23 1.40 80.24 1.75
RM-049 32.00 33.52 1.52 56.76 7.70
RM-053 214.88 215.73 0.85 40.12 38.40
RM-056 147.70 148.99 1.29 96.63 0.05
RM-064 429.18 429.93 0.75 42.45 200.00
RM-075 30.80 31.83 1.03 81.94 12.60
RM-075 44.38 45.20 0.82 369.94 44.60
RM-081 231.83 235.70 3.87 35.86 17.88
RM-088 82.42 83.15 0.73 49.09 17.00
RM-091 405.10 405.96 0.86 93.55 41.10
RM-097 167.64 169.07 1.43 36.41 19.40
RM-119 98.20 99.33 1.13 227.56 31.70
RM-119 124.33 125.39 1.06 35.86 8.30
RM-119 264.63 265.66 1.03 234.88 33.60
RM-121 217.90 220.35 2.45 104.26 28.10
RM-128 62.90 64.17 1.27 32.41 5.40
RM-128 100.90 101.90 1.00 175.90 22.00
RM-135 71.25 72.45 1.20 82.92 12.40
RM-143 100.95 102.10 1.15 57.99 10.70
RM-156 271.52 272.70 1.18 57.10 4.80
SI-080 167.30 168.18 0.88 72.34 43.90
 

The company’s QP has verified the drill hole data. Red Eagle’s drilling programs used QAQC protocols during sampling; including the insertion of quality control standards, field duplicates and blanks to monitor laboratory performance; consistent with industry best practice.  Further details of the exploration programs are available in the company’s Technical Report (effective date, April 26, 2017) filed on SEDAR on June 12th, 2017.

The true width of the drillhole intercepts is not known at this time, the veins have variable strike and dip orientations. No detailed geological model has been interpreted that would allow estimation of true widths.

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