IMO, The copper sulfides seen through out core prove the graben concept at depth ..The gap between the the sulfides seen here, from surface down to 52m , nil cu. Next a 4m gap between 54m and 58m. A 12 m gap between 60m and 72m. . A 18m gap between 86m and 104m. A 15m gap between 115 and 130m. A 40m gap between 133 and 170m . A 20m gap between 172m and 192m. A 5m gap between 196m and 201m..A 20m gap between 205m and 224..A 25m gap between 226. A and 250m,,A 35m gap between 251 and 286 m..
IMO. The gaps between sulfides adds to the strip ratio cost of removing this over burden . The copper grades here seeing a true with off core of 60 % means the cut - offf grade of .38 % for profit may not be profitable ..in this core ..hole 2..
Just my opinion,
Let The Drills Be Our Friends
Traps7
Details for the 2024 deep diamond drill holes at the Storm Project. Note*, drill hole ST24-03 is pending and will be completed during 2025.
Hole ID
From (m)
To (m)
Width
Cu ppm
Zn ppm
Ag g/t
ST24-02
52.00
55.00
3.00
1402
10
2.0
Including
53.00
53.60
0.60
6100
10
2.0
58.00
59.60
1.60
110
10
2.0
72.50
76.50
4.00
203
10
1.1
77.00
79.00
2.00
953
10
1.8
Including
78.00
78.50
0.50
3050
10
2.0
81.00
84.00
3.00
140
10
1.3
85.00
86.50
1.50
253
10
1.0
104.00
106.00
2.00
420
10
1.5
107.00
112.10
5.10
176
10
0.9
114.50
115.00
0.50
640
10
2.0
130.30
131.00
0.70
230
10
1.0
132.50
133.10
0.60
270
10
2.0
170.00
172.00
2.00
195
10
1.5
193.00
194.50
1.50
240
10
2.0
195.50
196.50
1.00
2290
40
1.5
Including
195.50
196.00
0.50
4330
60
2.0
201.00
202.00
1.00
220
30
1.0
203.50
205.00
1.50
207
10
1.3
224.00
226.00
2.00
150
10
1.0
250.00
251.00
1.00
140
10
1.0
286.00
287.50
1.50
317
17
1.3
289.50
290.50
1.00
620
10
1.3
292.00
300.00
8.00
256
10
0.8
300.50
301.50
1.00
200
10
1.0
302.00
304.00
2.00
900
15
2.0
Including
303.00
303.50
0.50
2560
10
2.0
305.00
308.00
3.00
745
10
1.3
Including
306.50
307.00
0.50
1170
10
0.5
310.00
316.00
6.00
935
10
1.0
Including
311.00
311.50
0.50
1140
10
2.0
And
313.50
314.50
1.00
3270
10
0.8
317.00
324.00
7.00
1628
11
0.9
Including
322.50
323.50
1.00
5295
15
0.8
327.50
328.00
0.50
210
10
1.0
330.00
333.00
3.00
110
10
1.3
348.00
349.00
1.00
120
10
2.0
352.00
353.00
1.00
110
10
1.0
366.00
367.00
1.00
110
10
3.0
369.00
370.00
1.00
140
10
1.0
373.00
375.00
2.00
160
10
1.0
377.00
380.00
3.00
110
10
1.3
381.00
388.00
7.00
140
13
1.2
397.00
398.00
1.00
110
10
1.0
399.00
401.00
2.00
105
10
0.8
409.60
418.00
8.40
388
10
1.6
Including
413.00
413.35
0.35
1640
10
2.0
421.00
424.65
3.65
542
10
1.8
Including
422.00
423.00
1.00
1280
10
2.0
ST24-03
10.00
11.00
1.00
100
20
0.5
24.00
26.00
2.00
135
30
1.0
33.00
34.00
1.00
100
10
0.5
35.00
40.00
5.00
208
10
0.7
41.00
42.00
1.00
120
10
1.0
43.00
49.00
6.00
125
33
1.0
54.00
55.00
1.00
110
10
0.5
56.00
57.00
1.00
590
10
1.0
66.00
70.00
4.00
153
20
0.9
90.00
91.00
1.00
100
10
0.5
96.00
97.00
1.00
120
10
0.5
108.00
119.00
11.00
298
255
0.6
120.00
129.07
9.07
175
182
0.5
130.90
133.00
2.10
105
45
0.5
152.00
153.98
1.98
150
10
0.5
178.70
179.00
0.30
1900
80
15.0
180.04
180.82
0.78
170
10
2.0
ORIGINAL: Aston Bay and American West Metals Report Assays from Deep Drilling at the Storm Project, Nunavut, Canada
2024-10-30 07:01 ET - News Release
98 metres of copper sulfides reinforce large-scale sediment-hosted copper potential
Highlights:
The 2024 deep drilling program has delivered further evidence of a very extensive laterally oriented deeper copper horizon that covers an area of more than 10 square kilometres ("km2")and remains open
All three deeper drill holes in the 2024 program - collared approximately 2 km apart from each other - have intersected copper sulfides and prospective stratigraphy within the interpreted deeper copper horizon
The second 2024 deep diamond drill hole (ST24-02) drilled during 2024 has intersected an aggregate of 98.6 metres ("m") of copper sulfide mineralization within multiple horizons
The third 2024 deep diamond drill hole (ST24-03) - targeting a 1,300m x 500m EM anomaly below the Cirrus Deposit - was suspended due to a highly fractured zone on approach to the target EM plates, and will now be completed in early 2025
ST24-03 encountered minor copper sulfides in the upper portions of the drill hole and an extensive zone of fractured carbonate rocks at depth - a highly favourable geological setting for the deposition of copper mineralization
The first 2024 deep diamond drill hole (ST24-01) intersected thick copper sulfides from 311m downhole with grades up to 3.7% copper ("Cu") as reported on September 20, 2024
The large volume of mineralisation in the deeper diamond drilling, particularly in ST24-02, continues to highlight the large lateral and vertical extent of the Storm copper system and the potential for large-scale stratigraphic hosted copper deposits similar to those of the Central African Copperbelt
Additional results from the 2024 campaign to be reported in the coming weeks.
TORONTO, ON / ACCESSWIRE / October 30, 2024 /Aston Bay Holdings Ltd. (TSXV:BAY)(OTCQB:ATBHF) ("Aston Bay" or the "Company") is pleased to provide an update on diamond drilling activities at the Storm Copper Project ("Storm" or the "Project") on Somerset Island, Nunavut. The exploration program is being conducted by American West Metals Limited ("American West"), the Project operator. Aston Bay and American West have formed a 20/80 unincorporated joint venture with respect to the Storm Project property, with Aston Bay maintaining a free carried interest until a decision to mine is made upon completion of a bankable feasibility study.
Thomas Ullrich, Chief Executive Officer of Aston Bay, commented:
"It is encouraging to receive confirmation of our geological model with the drill bit. Drilled to test stratigraphy and structure in a little-explored area, ST24-02 encountered a significant amount of sediment-hosted style copper mineralization. While the mineralization at this location is spread out over a wide interval, it nevertheless highlights the pervasive nature of the mineralizing process at Storm and points to the potential where the copper budget of these pervasive fluids can be concentrated in higher-grade zones as in the near-surface copper deposits currently being defined at Storm.
"Our third deep drill hole remains only partially completed due to drilling difficulties at the end of the season. Drilling in the frozen Arctic ground requires salt to be added to the drilling fluid to prevent freezing. Before reaching the target, the drill intercepted a fractured zone, resulting in the loss of the drilling fluid. Unfortunately, it was too late in the season to resupply the salt and other drilling additives necessary to continue the hole this year.
"The targeted anomaly exhibits characteristics of both fault-hosted "Chinook-style" and stratiform-hosted "Cyclone-style" mineralization, making it a very compelling target. I eagerly look forward to completing this drill hole early next year."
Figure 1: Photo of the diamond drilling rig being prepared at the Storm Project, Nunavut, Canada.
OVERVIEW: DRILLING CONTINUES TO EXPAND THE COPPER SYSTEM
The drill holes for the 2024 deep drilling campaign were designed to test key geological targets at Storm and the potential for new zones of copper mineralization within the ‘Deep Copper Horizon' discovered during 2023 (see August 2, 2023, Aston Bay news release).
Drill hole ST24-02 has intersected thick intervals of low-grade copper sulfide mineralization with multiple thin higher-grade horizons. The entire rock package is variably fractured, with copper sulfides occurring as veins and fracture infill. The large volume of mineralization and brecciation highlight a significant mineralization event, and its location within the centre of the Thunder and Corona graben block supports the potential for further discoveries of economic mineralization at depth.
ST24-03 targeted a large Moving Loop EM (MLEM) anomaly below the Cirrus Deposit and Gap Prospect and encountered a large void/fractured zone on approach to the targeted EM plates, which slowed the drilling and prevented the hole from being completed this season. Given the strong correlation between copper sulfide mineralization and MLEM anomalies at Storm, this EM anomaly remains a high-priority drill target for early 2025.
Figure 2: Plan view of the Storm area showing the geological interpretation, known copper deposit outlines, major faults, and deep diamond drill hole locations. All the deeper drill holes have intersected copper at depth within a prospective area of more than ten square kilometres.
DRILL HOLE ST24-02 DETAILS
Drill hole ST24-02 was drilled to a downhole depth of 455m and intersected a combined total of 98.6m of copper sulfide mineralization (Figure 4). The drill hole was designed to test the stratigraphy and structure in the southern areas of Storm, south of the Southern Graben Fault.
In addition to minor copper mineralization hosted within the upper Allen Bay horizons (at the same depth as the known shallow Storm prospects), three main mineralized zones were identified at depth in ST24-02. The mineralization is hosted within abundant sporadic fracturing, variably infilled by copper sulfides averaging 0.1% copper ("Cu") (see Table 2).
The most significant zone of mineralization, from 292m to 324m downhole, is hosted within a bituminous, vuggy, coral dolopackstone-doloboundstone sequence with blebby to veinlet chalcopyrite, chalcocite and bornite with assays up to 0.53% Cu (from 322.5 - 323.5m downhole). The mineralized textures and lithological associations from this zone are consistent with the ‘Deep Copper Horizon' discovered during 2023 and show the persistence of this horizon across multiple fault blocks on the Storm property.
The large volume of visual mineralization within ST24-02 highlights the scale of the copper system at Storm. The proximity of drill hole ST24-02 to the Thunder Prospect and Chinook and Corona deposits provides further evidence that the Allen Bay Formation within the Southern Graben may host high-grade, stratigraphic- and structurally-hosted copper deposits similar to those of the Central African Copperbelt.
Figure 3: Chalcocite (dark grey) and bornite (metallic blue) fracture fill in drill hole ST24-02 at approximately 313.75m downhole (this piece of core is within an interval of 1m @ 0.33% Cu).
Figure 4: NE-SW geological section through ST24-02 looking southeast.
DRILL HOLE ST24-03 DETAILS
Diamond drill hole ST24-03 was designed to target a 1,300m x 500m flat-lying MLEM anomaly (Figure 5 - EM anomaly A1) bounded by a series of large, mostly steeply dipping EM plates (approx. 350m to top, conductance ~40-60S, moderate ~40-60deg S/SW dip, striking ~WNW-ESE) at its the northern edge. The EM anomalies are located below the Cirrus Deposit and the Gap high-grade copper prospect and are interpreted to be proximal to the Southern Graben Fault.
Figure 5: 400m loop MLEM image (CH20BZ) showing anomalies and modelled plates overlying drilling and the geological and structural interpretation of the Storm area. The MLEM anomaly discussed in this release is labelled A1.
ST24-03 has been drilled to a downhole depth of 414m (planned depth of 600-700m) and intersected several zones of fracturing and sporadic copper sulfides (Figure 6). The presence of voids and fractures at the current depth resulted in reduced circulation and the loss of drilling fluids, including the critical salt additive required to prevent freezing in this area of deep permafrost. The drill hole had to be suspended pending the resupply of salt from the Sealift (now delivered) and will be completed as a high priority in early 2025.
Figure 6: NE-SW geological section view through ST24-03 (looking NW) showing the Cirrus Deposit, interpreted Southern Graben Fault and modelled MLEM conductors. Drilling was suspended at 414m depth; the planned drill hole depth is 650-700m, to be completed in early 2025.
The drill hole has not yet intersected the targeted MLEM anomaly, but the results are encouraging. The hole was drilled entirely into lower Allen Bay Formation, the host of the majority of copper mineralization at Storm, and intersected multiple organic-rich horizons and thick zones of oxidized fracturing. One notable zone includes a laminated organic-rich mudstone with fine disseminated pyrite and chalcopyrite veinlets from 178m to 180m depth downhole. Minor copper sulfides were also encountered at 305m downhole as patchy chalcopyrite veinlets and infill to a vuggy shell-fragment dolofloatstone. Organic material and hydrocarbons are critical requirements for the deposition of metals in this mineralizing system, and their presence is encouraging.
Fractures and voids at depth and close to the target area are also positive indicators since permeability and porosity are critical for the open-space filling style of high-grade copper mineralization at Storm.
Also noteworthy is that the orientations of the sub-vertical MLEM plates parallel to and directly below the sub-vertical Southern Graben Fault are suggestive of fault-related mineralization, as seen in the strong EM response at the Chinook and Corona Deposits. The faults may have channelled and focussed the metal-bearing fluids, allowing for more intense mineralization. The sub-horizontal component of the MLEM anomaly A1 may also be suggestive of stratiform mineralization, as seen at Cyclone where an EM anomaly delineates flat-lying bodies of high-grade copper mineralization that are directly adjacent to the Northern Graben Fault (Figure 5).
With such a close fit to the predictive geologic model that has already successfully discovered new zones of copper mineralization combined with the proven robust correlation between MLEM anomalies and high-grade copper mineralization at Storm, the untested portion of this drill hole is a compelling high-priority target for the 2025 drill season.
Hole ID
Prospect
Easting
Northing
RL (m)
Depth (m)
Azimuth
Inclination
ST24-01
Graben
464728
8173893
289.4
385
0.3
-80.1
ST24-02
Expl.
465600
8172675
246.2
455
160
-75
ST24-03
Expl.
462772
8173627
213.7
414.11*
35
-70
Table 1: Details for the 2024 deep diamond drill holes at the Storm Project. Note*, drill hole ST24-03 is pending and will be completed during 2025.
Hole ID
From (m)
To (m)
Width
Cu ppm
Zn ppm
Ag g/t
ST24-02
52.00
55.00
3.00
1402
10
2.0
Including
53.00
53.60
0.60
6100
10
2.0
58.00
59.60
1.60
110
10
2.0
72.50
76.50
4.00
203
10
1.1
77.00
79.00
2.00
953
10
1.8
Including
78.00
78.50
0.50
3050
10
2.0
81.00
84.00
3.00
140
10
1.3
85.00
86.50
1.50
253
10
1.0
104.00
106.00
2.00
420
10
1.5
107.00
112.10
5.10
176
10
0.9
114.50
115.00
0.50
640
10
2.0
130.30
131.00
0.70
230
10
1.0
132.50
133.10
0.60
270
10
2.0
170.00
172.00
2.00
195
10
1.5
193.00
194.50
1.50
240
10
2.0
195.50
196.50
1.00
2290
40
1.5
Including
195.50
196.00
0.50
4330
60
2.0
201.00
202.00
1.00
220
30
1.0
203.50
205.00
1.50
207
10
1.3
224.00
226.00
2.00
150
10
1.0
250.00
251.00
1.00
140
10
1.0
286.00
287.50
1.50
317
17
1.3
289.50
290.50
1.00
620
10
1.3
292.00
300.00
8.00
256
10
0.8
300.50
301.50
1.00
200
10
1.0
302.00
304.00
2.00
900
15
2.0
Including
303.00
303.50
0.50
2560
10
2.0
305.00
308.00
3.00
745
10
1.3
Including
306.50
307.00
0.50
1170
10
0.5
310.00
316.00
6.00
935
10
1.0
Including
311.00
311.50
0.50
1140
10
2.0
And
313.50
314.50
1.00
3270
10
0.8
317.00
324.00
7.00
1628
11
0.9
Including
322.50
323.50
1.00
5295
15
0.8
327.50
328.00
0.50
210
10
1.0
330.00
333.00
3.00
110
10
1.3
348.00
349.00
1.00
120
10
2.0
352.00
353.00
1.00
110
10
1.0
366.00
367.00
1.00
110
10
3.0
369.00
370.00
1.00
140
10
1.0
373.00
375.00
2.00
160
10
1.0
377.00
380.00
3.00
110
10
1.3
381.00
388.00
7.00
140
13
1.2
397.00
398.00
1.00
110
10
1.0
399.00
401.00
2.00
105
10
0.8
409.60
418.00
8.40
388
10
1.6
Including
413.00
413.35
0.35
1640
10
2.0
421.00
424.65
3.65
542
10
1.8
Including
422.00
423.00
1.00
1280
10
2.0
ST24-03
10.00
11.00
1.00
100
20
0.5
24.00
26.00
2.00
135
30
1.0
33.00
34.00
1.00
100
10
0.5
35.00
40.00
5.00
208
10
0.7
41.00
42.00
1.00
120
10
1.0
43.00
49.00
6.00
125
33
1.0
54.00
55.00
1.00
110
10
0.5
56.00
57.00
1.00
590
10
1.0
66.00
70.00
4.00
153
20
0.9
90.00
91.00
1.00
100
10
0.5
96.00
97.00
1.00
120
10
0.5
108.00
119.00
11.00
298
255
0.6
120.00
129.07
9.07
175
182
0.5
130.90
133.00
2.10
105
45
0.5
152.00
153.98
1.98
150
10
0.5
178.70
179.00
0.30
1900
80
15.0
180.04
180.82
0.78
170
10
2.0
Table 2: Summary of recent significant drilling intersections for drill holes ST24-02 and ST24-03. Given the exploratory nature of the drilling a cut-off of 0.01% Cu is used to highlight the presence of copper sulfides. In the absence of copper sulfide or oxides, the dolomite host rocks at Storm typically contain 10-25ppm copper. Diamond drill intersections are all core length and true width is expected to be 60% to 100% of core length.
Details of the delineation drilling and exploration drill holes for the 2024 program are available athttps://astonbayholdings.com/news/2024-storm-drill-hole-details/.
Qualified Person
Michael Dufresne, M.Sc., P.Geol., P.Geo., is a qualified person as defined by National Instrument 43-101 and has reviewed and approved the scientific and technical information in this press release.
IMO, The copper sulfides seen through out core prove the graben...
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