TomaGold Discovers Major New Deep Semi-Massive Sulfide Zone, Intersecting 5.75% ZnEq (1.34 g/t AuEq) over 98.5 m at Berrigan Mine
Highlights
-
Drill hole TOM-25-015 (from 451.20 m): 5.75% ZnEq (1.34 g/t AuEq) over 98.5 m
- Including: 26.67% ZnEq (6.26 g/t AuEq) over 4.90 m
- Including: 7.26% ZnEq (1.69 g/t AuEq) over 49.35 m
- Including: 10.26% ZnEq (2.39 g/t AuEq) over 14.60 m, 9.94% ZnEq (2.31 g/t AuEq) over 3.25 m, and 14.82% ZnEq (3.45 g/t AuEq) over 6.20 m
- Drill hole TOM-25-015 confirms the discovery of a new major semi-massive sulfide zone, named Berrigan Deep, which remains open at depth
- Drill hole TOM-25-014 (from 185 m): 28.69% ZnEq (6.73 g/t AuEq) over 2.10 m
- Results pending for the last three drill holes (TOM-25-011 to TOM-25-013) and for the borehole geophysical electromagnetic (EM) survey
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Figure 1: Drill hole TOM-25-015, a major discovery at depth
TomaGold will launch a new drilling program at
Drill Hole TOM-25-015: A Major Discovery at Depth
Drill hole TOM-25-015 was drilled at a steeper angle to test the root of the Berrigan mineralized system. It revealed a wide, high-grade zone of mineralization at a depth of over 450 metres within a serpentinized peridotite unit.
- Mineralogy and textures: The Berrigan Deep zone (from 451.20 to 549.70 m) is characterized by a high proportion of semi-massive to massive sulfides in centimetric and metric horizons or veins. The intervals are particularly rich in sphalerite and pyrrhotite, with chalcopyrite and galena, and minor amounts of arsenopyrite and possibly scheelite (inferred from the tungsten content). These sulfides also occur as coarse clusters and breccia fillings.
- Structural control: Mineralization is closely associated with a zone of shearing and fracturing. Alteration is marked by a strong presence of talc, chlorite, and dolomite, suggesting prolonged hydrothermal circulation.
- Extension potential: The presence of another mineralized interval lower in the hole (between 583.75 and 586.70 m), characterized by a contact breccia and fault mud, indicates that the hydrothermal system remains open and active at depth.
Drill Hole TOM-25-014: Extension of the Vein System
Drill hole TOM-25-014 further defined the mineralized vein system, which extends westward at various depths.
- Vein network: Technical descriptions identify two distinct events:
- A network of quartz-carbonate veins with coarse magnetite margins, indicating a high-temperature phase.
- A network of undulating sheared veins, much richer in sulfides (sphalerite, pyrrhotite, galena, and traces of chalcopyrite).
- Key intersections: The interval between 185.00 and 187.10 m (2.10 m at 28.69% ZnEq) is located at a brecciated lithological interface. Mineralization here is of the “stringer” and cluster type.
- Lithological context: The hole intersected alternating serpentinized peridotite and pyroxenite (tremolite), the latter often acting as barriers or conduits for mineralizing fluids. Pyroxenites and gabbros were preferentially altered.
Table 1: Results from drill holes TOM-025-14 and TOM-025-15 on the
|
Hole ID |
From (m) |
To (m) |
Length (m) |
ZnEq (%) |
AuEq (g/t) |
Au (g/t) |
Ag (g/t) |
Cu (ppm) |
Zn (ppm) |
|
TOM-25-014 |
185.00 |
187.10 |
2.10 |
28.69 |
6.73 |
4.94 |
56.44 |
545 |
45509 |
|
|
238.70 |
239.85 |
1.15 |
23.29 |
5.43 |
2.63 |
22.20 |
1590 |
104000 |
|
|
251.20 |
252.60 |
1.40 |
41.79 |
9.80 |
7.44 |
37.30 |
552 |
80400 |
|
405.30 |
406.70 |
1.40 |
14.99 |
3.48 |
1.13 |
13.15 |
655 |
92514 |
|
|
423.30 |
426.30 |
3.00 |
2.34 |
0.54 |
0.07 |
5.45 |
493 |
15700 |
|
|
451.50 |
457.50 |
6.00 |
1.34 |
0.31 |
0.08 |
3.45 |
77 |
7882 |
|
|
TOM-25-015 |
132.55 |
141.00 |
8.45 |
4.22 |
0.99 |
0.51 |
5.51 |
338 |
16610 |
|
|
155.70 |
157.70 |
2.00 |
31.75 |
7.42 |
4.66 |
26.90 |
684 |
102850 |
|
|
182.10 |
202.20 |
20.10 |
2.55 |
0.60 |
0.36 |
3.20 |
265 |
7687 |
|
451.20 |
549.70 |
98.50 |
5.75 |
1.34 |
0.82 |
3.21 |
386 |
19751 |
|
|
including |
452.20 |
457.10 |
4.90 |
26.67 |
6.26 |
4.69 |
18.80 |
2897 |
47876 |
|
and including |
500.35 |
549.70 |
49.35 |
7.26 |
1.69 |
0.90 |
3.48 |
310 |
31250 |
|
Including |
521.00 |
535.60 |
14.60 |
10.26 |
2.39 |
1.34 |
5.91 |
420 |
41158 |
|
Including |
537.85 |
541.10 |
3.25 |
9.94 |
2.31 |
0.88 |
3.85 |
529 |
58200 |
|
Including |
542.00 |
548.20 |
6.20 |
14.82 |
3.45 |
1.63 |
5.26 |
511 |
74276 |
Notes:
- The reported widths represent core lengths. True width is estimated to be approximately 80-85% of the core length, depending on the deviation angles.
- ZnEq and AuEq are calculated using the Company’s standard parameters.
-
AuEq calculation was based on
US$4150 /oz Au,$51.36 /oz Ag,US$5.044 /lb Cu and$1.398 /lb Zn. AuEq = Au g/t + (Ag g/t × 0.01237) + (Cu ppm × 0.000083) + (Zn ppm × 0.000023). The use of AuEq is to calculate cut-off grades for exploration purposes, and no adjustments were made for metal recovery. The Company is currently in the initial exploration phase, following historical drilling. At this stage, the Company does not have any metallurgical data and no comparative studies have been conducted, given the geological complexity of the ultramafic host rock. Furthermore, the Company is not aware of any deposits that may have similar geological characteristics. -
ZnEq calculation was based on
US$4047 /oz Au,$50.22 /oz Ag,US$4.796 /lb Cu and$1.390 /lb Zn. ZnEq = Zn ppm + (Ag g/t × 527) + (Au g/t x 42466) + (Cu ppm × 3.45) / 10,000. The use of ZnEq is to calculate cut-off grades for exploration purposes, and no adjustments were made for metal recovery. The Company is currently in the initial exploration phase, following historical drilling. At this stage, the Company does not have any metallurgical data and no comparative studies have been conducted, given the geological complexity of the ultramafic host rock. Furthermore, the Company is not aware of any deposits that may have similar geological characteristics.
Table 2: Berrigan Mine Drill Hole Collars
|
Hold ID |
Azimuth |
Dip |
Length |
UTM - East |
UTM - North |
Elevation |
|
TOM-25-014 |
180.42 |
-49.56 |
630.00 |
542419.00 |
5532647.00 |
392 |
|
TOM-25-015 |
175.82 |
-66.35 |
659.00 |
542419.00 |
5532647.00 |
392 |
Webcast – Drilling Results from the
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About the
The property has been the subject of more than one historical estimate.
The mineral resource estimate presented above is historical in nature and was not prepared in accordance with National Instrument 43-101 standards. Accordingly, the reader is cautioned not to rely on this estimate, as the Company is not treating the estimate as a current mineral resource. The qualified person has not done sufficient work to make the resource current. Substantial data compilation, verification, and, potentially, additional drilling and resampling would be required by a qualified person before the historical estimate could be classified as a current mineral resource. There can be no assurance that any portion of the historical mineral resource will ultimately be confirmed or demonstrated to be economically viable. For further information regarding the
Technical Disclosure
The drilling program was managed by Explo-Logik of Val-d’Or,
The technical content of this press release has been reviewed and approved by
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This news release includes certain statements that may be deemed “forward-looking statements”. All statements in this news release, other than statements of historical facts, that address events or developments that the Company expects to occur, are forward-looking statements. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words “expects”, “plans”, “anticipates”, “believes”, “intends”, “estimates”, “projects”, “potential” and similar expressions, or that events or conditions “will”, “would”, “may”, “could” or “should” occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the actual results to differ materially from those in forward-looking statements include the potential results of exploration and drilling activities, market prices, continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward-looking statements in the event that management’s beliefs, estimates, opinions, or other factors should change.
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