Nyakagwe East is an extensive area of artisanal mining with numerous shafts in excess of 20m extending approximately 600m on a northwest trend and approximately 300m wide.


Nyakagwe East is an extensive area of artisanal mining with numerous shafts in excess of 20m extending approximately 600m on a northwest trend and approximately 300m wide. Historic diamond and RC drilling returned significant gold intersections two or more sub-parallel northwest-southeast trending mineralized zones. To date Tembo has drilled 23 diamond holes totalling 6,924m towards 030° and 060°, at an inclination of -60° to intersect these sub-parallel mineralized zones. Three fence lines comprising 20 RC holes totalling 2238m were drilled to test the potential continuation of the mineralized structures along strike to the northwest and southeast and showed that the potential exists for mineralisation in both directions.

Drilling Results

The drilling to date has returned the following best results:

2012-2014 Drill Results

  • TDD0019: 2.50g/t Au over 3.85m from 65.95m including 4.69g/t Au over 1.67m;
  • TDD0021: 3.17g/t Au over 0.60m from 188.00m;
  • TDD0029: 2.56g/t Au over 1.47m from 140.53m including 5.28g/t Au over 0.62m, and 61.80g/t Au over 0.68m from 277.24;
  • TDD0024: 2.13g/t Au over 0.46m from 297.04m;
  • TDD0026: 1.83g/t Au over 2.23m from 221.77m including 2.83g/t Au over 0.45m and 2.83g/t Au over 0.78m;
  • TDD0030: 2.62g/t Au over 3.29m from 48.21m including 4.57g/t Au over 1.61m;
  • TDD0031: 1.85g/t Au over 2.40m from 45.60m, 4.88g/t Au over 0.30m from 87.00m and 5.28g/t Au over 0.61m from 263.69m;
  • TDD0032: 9.02g/t Au over 0.22m from 41.91m and 3.19g/t Au over 0.51m from 291.81m;
  • TDD0056: 4.42g/t Au over 2.60m from 130.60m including 10.57g/t Au over 1.00m, and 8.56g/t Au over 0.30m from 210.80m;
  • TDD0058: 8.75g/t Au over 0.50m from 3.30m and 6.24g/t Au over 0.50m from 5.00m;
  • TDD0070: 1.01g/t Au over 8.70m including 2.81g/t Au over 1.41m;
  • TDD0072: 8.44g/t Au over 1.30m from 99.9m including 25.00g/t Au over 0.42m;
  • TDD0074: 6.55g/t Au over 7.46m from 370.46m;
  • TDD0077: 2.62g/t Au over 1.50m from 136.00m;
  • TDD0104: 4.72g/t Au over 2.11m from 66.80m and 1.83g/t Au over 3.00m from 296.00m including 4.49g/t Au over 1.00m;
  • TDD0127: 2.94g/t Au over 4.00m from 117.00m including 5.51g/t Au over 1.50m and 3.35g/t Au over 0.60m, and 4.45g/t Au over 0.38m from 206.42m;
  • TRC0221: 2.42g/t Au over 1.00m from 83.00m;
  • TRC0222: 1.80g/t Au over 2.00m from 90.00m;
  • TRC0233: 5.66g/t Au over 1.00m from 84.00m;
  • TRC0234: 5.46g/t Au over 2.00m from 8.00m;
  • TRC0347: 6.48g/t Au over 2.00m from 8.00m including 11.80g/t Au over 1.00m;
  • TRC0465: 3.25g/t Au over 1.00m from 42.00m and 2.36g/t Au over 1.00m from 60.00m;
  • TRC0468: 2.11g/t Au over 2.00m from 136.00m including 3.36g/t Au over 1.00m.

Historical 2008 Diamond Drill Results

  • DD001: 10.25g/t gold over 3.50m from 38.50m
  • DD004: 2.45g/t gold over 4.72m from 87.03m
  • DD005: 9.73g/t gold over 3.40m from 81.94m
  • DD008: 2.65g/t gold over 3.60m from 84.00m
  • DD009: 2.07g/t gold over 3.26m from 142.19m
  • DD011: 10.4g/t gold over 1.50m from 45.10m and 2.05 g/t gold over 2.50m from 57.95m
  • RC056: 36.70g/t gold over 1.00m

Local Geology

As at Ngula, 1 the Nyakagwe East area contains no outcrop with the host rocks, structure and mineralization concealed by up to 10m of transported cover consisting of a sandy soil at surface, a lateritic horizon of variable thickness in turn underlain by a transported rubble bed consisting predominantly of sub-rounded to well rounded quartz vein boulders. Intermediate metavolcanic rocks thought to be of basaltic to andesitic composition host mineralization in northwest trending shear zones. An east-west striking serpentinised, ultramafic dyke appears to traverse the target area, and is considered to be significantly younger than the host rocks. Pillow lavas are common throughout the metavolcanic pile. Pyroclastic textures have also been observed in several boreholes.

The internal fabrics of the widespread cataclasites and breccia zones at Nyakagwe East suggest progressive development during a rapid transition from ductile to brittle deformation. This style of deformation is in contrast to the more ductile shearing commonly developed along major lithological contacts at Ngula 1. Extensive silicification and carbonate alteration appear to have taken place in many areas, with less chlorite alteration than at other targets. In many cataclastic zones there is strong, brown mica alteration. In some of the more massive, finely crystalline volcanic rocks there are wide zones, tens of meters thick, with numerous, cross-cutting planar carbonate (and lesser quartz) veins (0.5–15mm).

The dominant sulphide is pyrite that commonly occurs as medium-to-coarse, disseminated subhedral-euhedral grains within major quartz veins associated with shear zones and hosts gold mineralization.

Pyrite appears limited to the host rocks surrounding the carbonate-quartz veins, with little sulphide within the veins. Pyrite grains occasionally appear as porphyroblasts within some mylonitic shear bands. Minor pyrrhotite and chalcopyrite seem confined to the pillow lava units. This is in contrast to the strong pyrrhotite association found throughout the gold mineralized structures at the Ngula 1 target.

The gold mineralization appears intimately associated with smoky quartz veins.

Drill Program

Planned follow up drilling will focus on the extensions along strike to the west northwest and southeast to test whether the tenor of gold improves along these directions. Deeper drilling to test whether grade and grade continuity improve with depth.



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