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Kalumbila Project - Licence 267 |
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The Kalumbila mineralization is known over a strike length of 11 km. The historic RST drilling focused on the north eastern part, where historic estimations were in the range of 0.96 - 8.00 million tonnes at grades of 0.55% - 0.88% nickel, 0.20% - 0.30% cobalt and 0.11% - 0.15% copper. The high grade part of the nickel is in the proximity of the Kalumbila fault zone and is present in a series of lenses, 2 to 26 metres thick, with cobalt association. The known Kalumbila mineralization is being reconstructed from the historic data base has been validated by drilling and ground EM programmes. Further exploratory drilling is being conducted towards the south west to investigate promising anomalies within the strike extent. |
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Kalumbila Conductors The conductors as defined by the EM survey are shown in the accompanying Figure. The additional 8 km strike length of conductors is to be tested for mineralization. It is of note that a substantial part of the strike length is associated with Cu- and /or Ni-in-soil anomalies generated by previous work. Spectral Geophysics Ltd of Botswana conducted the TDEM survey using a GEONICS PROTEM receiver and TEM37 transmitter, with a 3-D sequential receiver coil. Current was generated using a GEONICS PU2000 2kVA, 400Hz motor-generator set. Data were dumped and processed using PROTEM and DATEM sub-routines from Geonics and quantitatively modelled using TEMIX from Interpex for depth and MULTILOOP from Emit, for spatial orientation information, respectively. Please click on any of the images below to view larger versions. |
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Graphic 1: Kalumbila Cu Ni Co Prospect (simplified) |
Graphic 2: Kalumbila Cu Ni Co Prospect (detailed) |
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Kiwara Drilling |
Nickel: Kiwara has drilled on the nickel targets reporting |
B/H L1 |
From |
To |
Interval |
% |
% |
% |
Total |
188 |
200 |
12 |
0.45 |
0.21 |
|
Including |
191 |
199 |
8 |
0.61 |
0.35 |
|
Total |
230 |
235 |
5 |
0.39 |
0.10 |
|
Including |
231 |
232 |
1 |
0.85 |
0.21 |
|
Total |
325 |
326 |
1 |
|
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2.05 |
Co = Cobalt; Cu = Copper; Ni = Nickel |
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Copper: Kiwara believes that Kalumbila has near surface potential for copper |
RC B/H |
Intersection |
From |
To |
Interval |
% |
|
LR3 |
Total |
24 |
60 |
36 |
0.66 |
|
|
Including |
33 |
36 |
3 |
1.33 |
|
LR4 |
Total |
36 |
48 |
12 |
0.42 |
|
|
Including |
39 |
42 |
3 |
0.65 |
|
LR15 |
Total |
72 |
93 |
21 |
0.48 |
|
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Including |
87 |
90 |
3 |
0.98 |
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TCu = Total Copper |
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Kiwara’s B/H L27 drilled north (down-dip) of LR3 intersected two copper zones: |
Intersection |
From |
To |
Interval |
% |
% |
Total |
38 |
262 |
224 |
0.59 |
0.04 |
Including |
178 |
217 |
39 |
1.25 |
0.024 |
Including |
225 |
236 |
11 |
1.35 |
0.021 |
Including |
243 |
257 |
14 |
1.24 |
0.017 |
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Historic Roan Selection Trust drilling during 1960’s include the following copper intersections: |
RST B/H |
Intersection |
From |
To |
Interval |
% |
Distance from LR3 (m) |
Direction |
MM 065 |
Total |
224 |
236 |
12 |
1.51 |
1,090 |
ENE |
MM 083 |
Total |
82 |
101 |
19 |
1.24 |
1,330 |
E |
MM 100 |
Total |
172 |
182 |
10 |
1.15 |
720 |
E |
MM 103 |
Total |
202 |
217 |
15 |
0.86 |
1,350 |
NE |
MMA 175 |
Total |
430 |
448 |
18 |
1.00 |
4,200 |
NE |
MMA 179 |
Total |
117 |
133 |
16 |
1.24 |
2,950 |
WSW |
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Kalumbila Project Image Gallery |
Please click on any image to view its larger version or click here to view the whole image gallery. |
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Kalumbila Hill looking East |
Kalumbila camp & core shed |
Core from the graphitic phylite |
Kalumbila drilling |
Kalumbila - drilling in the wet season |
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