Arizona Sonoran Cactus East Drilling Demonstrates Consistency of Mineralization; Intersects 148.5 ft of 2.57% TCu
13 September 2022 - 8:30PM
Business Wire
Arizona Sonoran Copper Company Inc. (TSX:ASCU |
OTCQX:ASCUF) (“ASCU” or the “Company”) releases 7 drill holes
from the Cactus East, Cactus Mine Project infill drilling program.
This new set of assays continue to support the previously defined
geological interpretations with thick and high-grade intercepts
outlined within the underground Cactus East orebody, immediately to
the northeast of the historic Sacaton pit. Infill drilling is
targeting 125 ft (38 m) spacing with the goal of generating
measured mineral resources (see FIGURES
1-7).
Highlights:
- Thick and high-grade intercepts are consistent with previous
wider spaced drilling intercepts and resource model
interpretation
- ECE-067: 148.5 ft (45.3 m) @ 2.57% TCu, 2.53% Cu TSol
(enriched)
- Incl. 10 ft (3.0 m) @ 10.53% TCu, 10.13% Cu TSol
- ECE-085: 268.0 ft (81.7 m) @ 1.51% TCu, 1.38% Cu TSol
(enriched)
- Incl. 203.0 ft (61.9 m) @ 1.74% TCu, 1.64% Cu TSol
- 383.3 ft (116.9 m) @ 0.51% TCu (primary)
- ECE-082: 226.6 ft (69.1 m) @ 1.39% TCu, 1.26% Cu TSol
(enriched)
- Incl. 117.7 ft (35.9 m) @ 1.88% TCu, 1.73% Cu TSol
- 379.0 ft (115.5 m) @ 0.68% TCu (primary)
- ECE-066: 244.8 ft (74.6 m) @ 1.26% TCu, 1.14% Cu TSol
(enriched)
- 142.4 ft (43.4 m) @ 1.63% TCu, 1.55% Cu TSol
(oxide)
- ECE-062: 173.0 ft (52.7m) @ 1.60% TCu, 1.49% Cu TSol
(oxide)
- Incl. 100.6 ft (30.7 m) @ 2.28% TCu, 2.15% Cu TSol
- 258.0 ft (78.6 m) @ 1.01% TCu, 0.91% Cu TSol
(enriched)
Ian McMullan, Arizona Sonoran Chief Operating Officer
commented, “Cactus East assay results continue to build upon
and support the previously released assays. The high porphyry
copper grades with good thicknesses underpin future mine planning
and mine design work for a targeted underground bulk mining
scenario at Cactus East. As previously mentioned, drills are
currently focusing on Parks/Salyer to build out the known
mineralization and will return later in the year to complete the
measured category drilling.”
Drilling Program Recap The total infill program inclusive
of Cactus East and Cactus West (60,000 ft | 18,290 m) is now over
halfway complete. A total of 16 HQ drill holes in the heart of the
Cactus East orebody were drilled for a total of 31,817.7 ft (9,700
m). Assays are pending on 2 holes and 5 holes remain to be drilled
(10,000 ft | 3,048 m). At Cactus West, 25 holes (16,000 ft | 1877
m) have been designed to infill the upper portions of the planned
open pit in addition to what was previously infill drilled on the
southern side of the pit (see FIGURE
3). An expansionary drill program (12,000 ft | 3,660 m)
is planned to follow the Cactus infill program. Due to the
successful drilling results at Parks/Salyer (similar grades with
greater thicknesses over a greater area), the two available drill
rigs have been prioritized to that discovery. Drilling will resume
on Cactus later in the year.
As shown in Table 1, holes ECE-062, ECE-068 and ECE-069 show
solid intercepts of higher-grade oxide mineralization adjacent to
historic holes S-145, S-146 and S-149 while adjacent holes from
this program show continuity of thickness and grade in the
underlying enriched zone over 750 ft (230 m) of strike. Drill holes
with pending assay results test extensions of this reported
mineralization to the northeast and southwest.
Cactus East infill drilling results are consistent with
previously drilled results and show thick, high-grade intercepts of
both oxide and enriched mineralization. Importantly, the infill
drilling continues to support previous geological interpretations
and controls on mineralization within the deposit. The
mineralization shows grade and mineralization characteristics
similar to Parks/Salyer, although it is contained within a more
restricted horst fault block structure. These drilling results will
provide valuable infill data for localized mine design work.
TABLE 1: Drilling Highlights
HOLE
ZONE
Feet
Metres
TCu
Cu TSol
from
to
length
from
to
length
%
%
ECE-059A
oxide
1,166.0
1,280.3
114.3
355.4
390.2
34.8
0.86
0.80
including
1,172.3
1,217.0
44.7
357.3
370.9
13.6
1.42
1.35
enriched
1,387.0
1,641.0
254.0
422.8
500.2
77.4
0.63
0.48
including
1,387.0
1,432.0
45.0
422.8
436.5
13.7
0.96
0.95
enriched
1,641.0
1,873.3
232.3
500.2
571.0
70.8
0.41
0.04
including
1,774.0
1,873.3
99.3
540.7
571.0
30.3
0.55
0.04
ECE-060
oxide
1,065.0
1,314.0
249.0
324.6
400.5
75.9
0.96
0.91
including
1,108.0
1,197.3
89.3
337.7
364.9
27.2
1.78
1.71
enriched
1,448.0
1,575.0
127.0
441.4
480.1
38.7
1.29
1.21
including
1,458.0
1,498.0
40.0
444.4
456.6
12.2
1.78
1.63
primary
1,575.0
1,853.2
278.2
480.1
564.9
84.8
0.40
0.04
ECE-062
oxide
1,148.0
1,321.0
173.0
349.9
402.6
52.7
1.60
1.49
including
1,183.4
1,284.0
100.6
360.7
391.4
30.7
2.28
2.15
enriched
1,351.0
1,361.0
10.0
411.8
414.8
3.0
6.20
5.91
oxide
1,432.4
1,452.0
19.6
436.6
442.6
6.0
0.38
0.36
enriched
1,472.0
1,730.0
258.0
448.7
527.3
78.6
1.01
0.91
including
1,489.0
1,499.0
10.0
453.8
456.9
3.0
4.15
3.89
and
1,528.5
1,589.0
60.5
465.9
484.3
18.4
2.38
2.23
primary
1,730.0
1,865.5
135.5
527.3
568.6
41.3
0.29
0.04
ECE-066
oxide
1,472.0
1,614.4
142.4
448.7
492.1
43.4
1.63
1.55
including
1,475.0
1,567.0
92.0
449.6
477.6
28.0
1.99
1.77
enriched
1,614.4
1,859.2
244.8
492.1
566.7
74.6
1.26
1.14
ECE-067
oxide
1,343.0
1,476.8
133.8
409.3
450.1
40.8
0.37
0.34
including
1,350.5
1,380.0
29.5
411.6
420.6
9.0
0.90
0.88
oxide
1,654.0
1,685.0
31.0
504.1
513.6
9.4
1.09
1.07
including
1,667.8
1,685.0
17.2
508.3
513.6
5.2
1.72
1.70
enriched
1,685.0
1,833.5
148.5
513.6
558.9
45.3
2.57
2.53
primary
1,833.5
1,864.5
31.0
558.9
568.3
9.4
0.46
0.04
ECE-082
oxide
1,425.0
1,444.0
19.0
434.3
440.1
5.8
0.47
0.35
oxide
1,474.0
1,486.0
12.0
449.3
452.9
3.7
0.73
0.67
enriched
1,486.0
1,712.6
226.6
452.9
522.0
69.1
1.39
1.26
including
1,486.0
1,603.7
117.7
452.9
488.8
35.9
1.88
1.73
primary
1,712.6
2,091.6
379.0
522.0
637.5
115.5
0.68
0.11
including
1,712.6
1,763.0
50.4
522.0
537.4
15.4
1.02
0.17
and
1,905.0
1,931.3
26.3
580.6
588.7
8.0
1.01
0.28
ECE-085
oxide
1,371.0
1,430.0
59.0
417.9
435.9
18.0
1.04
1.02
enriched
1,430.0
1,698.0
268.0
435.9
517.6
81.7
1.51
1.38
including
1,432.0
1,635.0
203.0
436.5
498.3
61.9
1.74
1.64
primary
1,698.0
2,081.4
383.4
517.6
634.4
116.9
0.51
0.14
including
1,838.0
1,888.0
50.0
560.2
575.5
15.2
0.74
0.06
1.
Intervals are presented in core length and
are drilled with very near vertical dip angles.
2.
Drill assays assume a mineralized cut-off
grade of 0.1% CuT reflecting the potential for heap leaching in the
case of Oxide and Enriched, or in the case of Primary material to
provide typical average grades. Holes were terminated below the
basement fault.
3.
Assay results are not capped. Intercepts
are aggregated within geological confines of major mineral
zones.
4.
True widths are not known.
Table 2: Drilling details
Hole
Easting (m)
Northing (m)
Elevation (ft)
TD (ft)
Azimuth
Dip
ECE-059A
424,318.7
3,647,124.4
1,512.1
1,906.3
0
-90
ECE-060
424,283.8
3,647,105.8
1,511.7
1,936.5
0
-90
ECE-062
424,273.4
3,647,059.0
1,510.4
1,888.0
0
-90
ECE-066
424,282.2
3,646,978.5
1,493.3
1,947.0
0
-90
ECE-067
424,319.9
3,646,941.7
1,493.5
1,897.8
0
-90
ECE-082
424,128.0
3,646,863.3
1,462.9
2,314.1
0
-90
ECE-085
424,129.5
3,646,899.3
1,464.6
2,117.0
0
-90
Quality Assurance / Quality Control Drilling completed on the
project in 2020 and 2021 was supervised by on-site ASCU personnel
who prepared core samples for assay and implemented a full QA/QC
program using blanks, standards, and duplicates to monitor
analytical accuracy and precision. The samples were sealed on site
and shipped to Skyline Laboratories in Tucson AZ for analysis.
Skyline’s quality control system complies with global
certifications for Quality ISO9001:2008.
Technical aspects of this news release have been reviewed and
verified by Allan Schappert – CPG #11758, who is a qualified person
as defined by National Instrument 43-101– Standards of Disclosure
for Mineral Projects.
Links from the Press Release FIGURES 1-7:
https://arizonasonoran.com/projects/cactus-mine-project/press-release-images/
Neither the TSX nor the regulating authority has approved or
disproved the information contained in this press release.
About Arizona Sonoran Copper Company (www.arizonasonoran.com |
www.cactusmine.com) ASCU’s objective is to become a mid-tier copper
producer with low operating costs, develop the Cactus Project that
could generate robust returns for investors, and provide a long
term sustainable and responsible operation for the community and
all stakeholders. The Company's principal asset is a 100% interest
in the Cactus Project (former ASARCO, Sacaton mine) which is
situated on private land in an infrastructure-rich area of Arizona.
Contiguous to the Cactus Project the Company is also exploring on
its 100% owned Park Salyer property that could allow for a phased
expansion of the Cactus Mine once it becomes a producing asset. The
Company is led by an executive management team and Board which have
a long-standing track record of successful project delivery in
North America complemented by global capital markets expertise.
Forward-Looking Statements Forward-looking statements
involve known and unknown risks, uncertainties and other factors
which may cause the actual results, performance or achievements of
ASCU to be materially different from any future results,
performance or achievements expressed or implied by the
forward-looking statements. Factors that could affect the outcome
include, among others: future prices and the supply of metals; the
results of drilling; inability to raise the money necessary to
incur the expenditures required to retain and advance the
properties; environmental liabilities (known and unknown); general
business, economic, competitive, political and social
uncertainties; results of exploration programs; accidents, labour
disputes and other risks of the mining industry; political
instability, terrorism, insurrection or war; or delays in obtaining
governmental approvals, projected cash operating costs, failure to
obtain regulatory or shareholder approvals.
Although ASCU has attempted to identify important factors that
could cause actual actions, events or results to differ materially
from those described in forward-looking statements, there may be
other factors that cause actions, events or results to differ from
those anticipated, estimated or intended. Forward-looking
statements contained herein are made as of the date of this news
release and ASCU disclaims any obligation to update any
forward-looking statements, whether as a result of new information,
future events or results or otherwise, except as required by
applicable securities laws.
View source
version on businesswire.com: https://www.businesswire.com/news/home/20220913005233/en/
For more information Alison Dwoskin, Director, Investor
Relations 647-233-4348 adwoskin@arizonasonoran.com George Ogilvie,
President, CEO and Director 416-723-0458
gogilvie@arizonasonoran.com
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