KELOWNA, BC, March 25, 2021
/CNW/ - Cantex Mine Development Corp. (TSXV: CD) (the
"Company") is pleased to release an update on the work program at
its 14,077 hectare North Rackla claim block where drill results
continue to define a lead-zinc-silver mineralized system with
Broken Hill Type (BHT) affinities.
Dr. Chuck Fipke reports
RESULTS
GZ Zone
Hole YKDD20-177 was drilled vertically into the GZ zone located
550 metres southeast of the high-grade Extension Sector and
intersected 7.3 metres of 24.45% zinc, 5.41% lead and 104 g/t
silver between 46.1 and 53.4 metres depth. The hole was
collared 64 metres southwest of the previously reported hole
YKDD20-174 (see news release from February
1, 2021) which contained 4.05m
of 32.14% zinc, 7.25% lead and 130 g/t silver within 8.95m of 22.77% lead-zinc and 76g/t silver (see
Figures 1 and 2). As the whole GZ Zone is covered in
overburden, structural geologist Chris
Buchanan is focusing on acquiring more data to define the
trend of these extremely rich massive sulphides. Additional
drilling and/or excavation of overburden are needed to establish
how the GZ Zone massive sulphides relate to the high-grade Main
Zone massive sulphides.
By way of comparison, the Mount Isa Mine is one of the largest
zinc mines in the world and hosts Proven and Probable reserves
containing 7.4% zinc, 3.6% lead and 66g/t silver.
Main Zone
Central Sector
Drilling from pad MZ35 at the Central Sector intersected high
grade intersection of 4.7 metres of 21.05% lead-zinc with 66 g/t
silver including 2.8 metres of 26.33% zinc, 7.22% lead and 99 g/t
silver from 594.9 metres depth in the -73 degree inclined hole
YKDD20-170. This new mineralization occurs in dolomite
approximately 100m outward from the
dolomite-argillite contact (see Figures 1 and 3). Thin (1 to
1.3m wide) intercepts of massive
sulphide were also found in dolomite outward from the contact in
holes YKDD20-166 and YKDD20-168 also drilled from pad MZ35 at -55
degree and -65 degree inclinations respectively. The massive
sulphides are increasing in thickness and grade with depth (33.55%
lead-zinc with 99 g/t silver) in these holes (YKDD20-170). An
additional deep hole drilled at -80 degrees inclination is needed
to determine whether this newly discovered mineralization continues
to increase in thickness and grade with depth.
Discovery Sector
A -45 degree inclined hole (YKDD20-178) drilled from pad MZ51
intersected 5.23% lead, 4.73% zinc and 31 g/t silver at the
dolomite-argillite contact located 250m northeast of the Discovery Sector.
Unfortunately, this intersection (that was spotted by Buchanan) has
been gouged and faulted subsequent to lead-zinc-silver
mineralization deposition. Thus, mineralization may have been
displaced at the drill intercept by the faulting. The end of
the drill program prevented the completion of -55 and -65 degree
inclined holes. These will be drilled this season.
Drill results from the final holes of the 2020 season are
presented in Table 1.
Table 1: Drill results
Pad
|
Dip
|
Hole
|
From
|
To
|
Length
|
True
Width
|
Silver
|
Lead +
Zinc
|
Lead
|
Zinc
|
Copper
|
Manganese
|
|
|
|
(m)
|
(m)
|
(m)
|
(m)
|
g/t
|
%
|
%
|
%
|
%
|
%
|
GZ02C
|
-89
|
YKDD20-177
|
37.00
|
38.00
|
1.00
|
n/a
|
0.10
|
1.04
|
0.02
|
1.02
|
0.00
|
0.21
|
|
|
|
46.10
|
53.40
|
7.30
|
n/a
|
103.68
|
29.86
|
5.41
|
24.45
|
0.01
|
0.27
|
|
|
|
56.00
|
57.00
|
1.00
|
n/a
|
1.08
|
0.21
|
0.05
|
0.15
|
0.01
|
0.34
|
|
GZ02B
|
-45
|
YKDD20-181
|
Did not reach target
depth
|
|
-90
|
YKDD20-179
|
No significant
results
|
|
GZ01
|
-45
|
YKDD20-180
|
No significant
results
|
|
MZ0X
|
-68
|
YKDD20-167
|
No significant
results
|
|
MZ07X
|
-64
|
YKDD20-169
|
No significant
results
|
|
-66
|
YKDD20-173
|
3.00
|
4.00
|
1.00
|
0.61
|
0.40
|
1.70
|
0.01
|
1.69
|
0.01
|
0.25
|
|
|
|
335.70
|
336.70
|
1.00
|
0.61
|
7.80
|
6.18
|
0.20
|
5.98
|
0.02
|
2.84
|
|
|
|
341.40
|
341.90
|
0.50
|
0.30
|
24.10
|
11.19
|
0.24
|
10.95
|
0.02
|
1.13
|
|
-70
|
YKDD20-171
|
352.35
|
362.70
|
10.35
|
5.86
|
27.50
|
7.19
|
1.62
|
5.57
|
0.05
|
3.15
|
|
|
Including
|
355.80
|
359.10
|
3.30
|
1.87
|
30.90
|
13.35
|
1.89
|
11.46
|
0.02
|
3.81
|
|
|
|
364.50
|
365.00
|
0.50
|
0.28
|
15.95
|
5.00
|
4.91
|
0.09
|
0.00
|
1.88
|
|
MZ33
|
-85
|
YKDD20-182
|
Did not reach target
depth
|
|
MZ35
|
-55
|
YKDD20-166
|
132.15
|
132.65
|
0.50
|
0.36
|
3.00
|
1.82
|
0.14
|
1.68
|
0.01
|
0.03
|
|
|
|
283.50
|
294.30
|
10.80
|
7.77
|
9.55
|
4.46
|
2.32
|
2.14
|
0.04
|
4.09
|
|
|
Including
|
286.40
|
292.00
|
5.60
|
4.03
|
13.82
|
6.89
|
3.69
|
3.20
|
0.02
|
4.57
|
|
|
|
479.70
|
481.00
|
1.30
|
1.19
|
21.84
|
7.84
|
3.81
|
4.03
|
0.06
|
2.69
|
|
-65
|
YKDD20-168
|
211.85
|
212.50
|
0.65
|
0.41
|
0.50
|
2.07
|
0.00
|
2.07
|
0.01
|
0.08
|
|
|
|
373.85
|
374.35
|
0.50
|
0.32
|
7.41
|
5.74
|
0.75
|
4.99
|
0.08
|
0.26
|
|
|
|
411.60
|
412.20
|
0.60
|
0.38
|
15.10
|
8.70
|
1.93
|
6.77
|
0.01
|
0.18
|
|
|
|
553.00
|
554.00
|
1.00
|
0.81
|
4.00
|
3.76
|
0.19
|
3.57
|
0.01
|
0.69
|
|
-73
|
YKDD20-170
|
439.20
|
439.75
|
0.55
|
0.31
|
45.80
|
1.48
|
0.61
|
0.87
|
0.89
|
2.54
|
|
|
|
594.90
|
599.60
|
4.70
|
3.55
|
66.30
|
21.05
|
5.21
|
15.84
|
0.04
|
3.04
|
|
|
Including
|
596.35
|
599.15
|
2.80
|
2.11
|
99.40
|
33.55
|
7.22
|
26.33
|
0.07
|
1.48
|
|
MZ51
|
-45
|
YKDD20-178
|
68
|
68.5
|
0.50
|
n/a
|
27.00
|
10.52
|
4.60
|
5.92
|
0.02
|
1.80
|
|
|
|
70
|
79
|
9.00
|
n/a
|
30.50
|
9.96
|
5.23
|
4.73
|
0.09
|
2.21
|
|
|
|
159
|
159.5
|
0.50
|
n/a
|
3.24
|
1.35
|
0.03
|
1.32
|
0.01
|
0.70
|
|
|
|
168.5
|
169.4
|
0.90
|
n/a
|
0.40
|
1.21
|
0.01
|
1.20
|
0.00
|
3.72
|
SUMMARY OF STRUCTURAL ANALYSIS
Our structural geologist Chris
Buchanan has completed a detailed structural analysis,
including plan maps and cross sections. He has explained that
a major east-west trending strike-slip fault displaced the
Extension Sector from the Central Sector by a distance of about
200m, explaining why drill
intersections were unsuccessful in this 200m gap. He has also identified northeast
trending faults that could displace the massive sulphides by up to
30m. The mineralization along
the argillite-dolomite contact is very prolific and the Cantex
geologists all agree that favourable intersections are likely along
the northeast trending contact mapped by Buchanan from the Central
Sector all the way to pad MZ51 and beyond. Drilling of this
area is planned to commence in the spring.
SAMPLE PREPARATION
The drill holes reported in this press release were drilled
using HQ (63.5mm) diamond drill bits. The core was logged,
marked up for sampling and then divided into equal halves using a
diamond saw on site. One half of the core was left in the
original core box. The other half was sampled and placed into
sealed bags which were in turn placed into larger bags closed with
security seals prior to being transported to CF Mineral Research
Ltd. in Kelowna, BC.
At CF Minerals the drill core was dried prior to crushing to -10
mesh. The samples, which averaged over 3kg, were then mixed
prior to splitting off 800g. The 800g splits were pulverized
to -200 mesh and a 250g split was sent for assay. Quality
control procedures included running a barren sand sample through
both the crusher and pulveriser between each sample to ensure no
inter-sample contamination occurred. Silica blanks were
inserted along with certified reference samples. These
quality control samples were each inserted approximately every 20
samples.
ALS Chemex in Vancouver assayed
the samples using a four-acid digestion with an ICP-MS
finish. The 48 element ME-MS61 technique was used to provide
a geochemical signature of the mineralization. Where lead,
zinc or copper values exceeded one percent the Pb-OG62, Zn-OG62 or
Cu-OG62 techniques were used. These have upper limits of 20%
lead, 30% zinc and 50% copper, respectively. Samples with
lead and zinc values over these limits were then analyzed by
titration methods Pb-VOL70 and Zn-VOL50. Where silver samples
exceeded 100 g/t the Ag-OG62 technique was used which has an upper
limit of 1,500 g/t. The over limit analyses contributed
to delays in receiving final assay results.
FUTURE PLANS
The gold and base metal results for 312 rock samples and 2,800
soil-talus samples collected during 2020 are forthcoming and will
be released when received.
Cantex looks forward to the coming drill season where building
the known tonnage of the Main Zone will be the main focus.
Further drill testing of the GZ Zone and additional targets within
the North Rackla claim block is also planned.
The technical information and results reported here have been
reviewed by Mr. Chad Ulansky
P.Geol., a Qualified Person under National Instrument
43-101, who is responsible for the technical content of this
release.
Signed,
Charles Fipke
Charles Fipke
Chairman
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SOURCE Cantex Mine Development Corp.