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Parabu Property


Location and Background

The Parabu Property is located 10km due north of the regional field camp at Nsawkaw town, the district capital of the Tain District in the Brong Ahafo Region of Ghana.

Parabu encapsulates two important and highly prospective geological aspects. Firstly it maintains under license the south-western strike continuation of the 40km-long Tombe-Parabu gold-in-soil anomaly. Secondly, it contains the Chenchu Mountain Prospect, which was originally identified and initially tested in 1996 by Santa Fé Inc. and received much follow-up attention from Volta.

Geology and Mineralisation

The Parabu Property comprises of a thick stratigraphic sequence of highly sheared argillites, wackes and volcaniclastics transected by a major, crustal-scale northeast-oriented structural corridor (the Tombe-Parabu shear trend). This corridor extends across the whole of the strike length of the Bui Belt area from the southwest near Japekrom through Seikwa, Chenchu Mountain and Tombe to the Volta River in the north. A secondary yet strong northeast-oriented shear trend intersects with the Tombe-Parabu trend along the length of the concession and provided multiple opportunities for mineralisation at these nodes.

Mineralization is also likely to be focused by competency contrasts in the structural corridors which provided the brittle-ductile regime conducive to the deposition of gold. Jogs, kinks and arcuations in the northeast-trending mineralized structures are evident at the belt-scale and also play a role in focusing mineralization at the prospect scale. Structural observations suggest a late transpressive deformational event focused on pre-existing regional structures, including early thrust and wrench features. In detail, structural fabrics such as late crenulation cleavage development and associated kink and crenulation folds, intersection lineations, rodding and boudinage support these observations. It is expected that any future definition of the geometry of payshoots will correspond to these structural orientations and as such the structural mapping of such a prospect is very important to facilitate an understanding of the mineralisation and to enable subsequent resource modelling. Mineralization is generally associated with quartz lodes and/or sulphide (pyrite) in sites of high tectonisation within the soft sequence of lithologies. Albite, hematite, carbonate and silica alteration is intense in the mineralised zones.

Exploration Strategy

The aim is to bring the Chenchu Mountain Prospect to account by unlocking the geometrical relationships in the mineralisation system, and in addition to further investigate the prospectivity of strike continuation of the Tombe-Parabu shear zone.
  • Chenchu Mountain Prospect: Structural mapping, further 3D modeling and oriented drilling.
  • Tombe-Parabu Shear Trend: Soil grid sampling, trenching and scout drilling.
Chenchu Mountain Target Area


Chenchu Mountain Prospect is located 10km north of Nsawkaw town in Brong Ahafo Region of Ghana.

Geology and Mineralization

The geology of the Chenchu Mountain Prospect can be described as a highly deformed metavolcanic lozenge in a softer sequence of phyllite and volcaniclastics. This lozenge may be emplaced at the thrust tip of a nappe structure. The mineralisation exists in plunging quartz-pyrite lodes at intersecting shear structures within the metavolcanic unit. The silicified metavolcanic unit defines two adjoining parts of a whaleback hill known as "Little Chenchu" and "Chenchu Mountain". Alteration includes carbonation and silicification.

Exploration Strategy

Recent 3D modeling of the existing drill and trench data has revealed the potential for a subhorizontal mineralised shoot that plunges to the south-southwest. Drill testing of this theory may unlock the structural controls to the Prospect's mineralisation and open the way for a larger resource drill-out.

Significant drill and trench intercepts to date include:

Drill Hole
Hole Depth
(Au g/t)
DCH007 70 38 - 51 13 1.90
DCH010 80 25 - 42 17 1.15
DCH012 130 91 - 109 18 1.79
DCH014 50 0 - 3 3 3.50
and   16 - 30 14 0.74
and   46 - 49 3 2.96 (open)
DCH016 60 2 - 13 11 1.17
DCH019 50 6 - 13 7 4.38
DCH020 50 5 - 19 14 1.61
including   8 - 16 8 2.53
DCH022 100 32 - 37 5 2.05
DCH026 110 52 - 54 2 3.40
Trench Length
(Au g/t)
TR9300N 87 20 - 35 15 3.48
TR9500N 131 44 - 64 20 1.64**
including   55 - 60 5 4.12**
and   71 - 73 2 7.77**
and   79 - 86 7 0.83**
TR9700N 111 10 - 18 8 1.63
and   26 - 33 7 1.15
TR9900N 99 73 - 80 7 1.78
and   86 - 89 3 4.45
TR10000N 90 43 - 52 9 0.89
including   43 - 47 4 1.29
TR10100N 50 21 - 32 11 1.16

Next Steps

Future activities will include:
  • Structural mapping.
  • 3D modelling of structural data and extrapolation to surface and down-plunge of modelled mineralisation.
  • RC/DD drilling and trenching to intersect modelled down-plunge and surface mineralisation respectively.
  • Resource drilling.

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