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Catch, YT
Highlights
- 118 km2 property located 50 km southeast of Carmacks in an underexplored extension of the Stikine Terrane in Yukon;
- All-season highway and high-voltage powerline 10 km from the property;
- Significant copper and gold porphyry discovery in diamond drilling, including:
- 116.60 m of 0.31% copper with 0.30 g/t gold in CA-23-002; and
- 106.00 m of 0.37% copper with 0.22 g/t gold in CA-24-006;
- 2024 discovery of high-grade epithermal gold-silver mineralization (1,065 g/t Au with 267 g/t Ag) will be drill-tested in 2025;
- Extensive copper and gold mineralization across a 5 km long copper and gold soil anomaly;
The 118 km2 Catch Property is located 50 km southeast of Carmacks within the traditional territory of the Little Salmon Carmacks First Nation. The property is 10 km from an all-season highway and powerline and is accessible by float plane and helicopter. The Catch Property exhibits extensive copper and gold soil geochemistry anomalism, including a 5,000 x 500 m zone of anomalous copper and gold. Inaugural diamond drilling in 2023 discovered a new copper-gold porphyry, returning 116.60 m of 0.31% Cu with 0.30 g/t Au at the Spark Zone. Follow up drilling in 2024 stepped out over 300 m and returned 106 m of 0.37% Cu and 0.22 g/t Au, confirming significant size potential of the new discovery. Additional porphyry mineralization has also been identified at the Volt Zone, and high-grade gold-silver epithermal mineralization was discovered in 2024 at the Amp Zone, with an outcrop sample returning 1,065 g/t Au with 267 g/t Ag.
Spark Zone
The Spark Zone has an average rock grade of 0.41% copper with 1.07 g/t gold in 130 rocks collected at surface across a 500 x 500 m area over an underlying 1,000 x 500 x 300 m chargeability high, coincident with a magnetic low. This zone was first drilled in 2023, with seven holes totalling 4,120.37 m completed to date. Drilling has now defined copper-gold porphyry mineralization across 470 m of strike length and 520 m of vertical extent. Short intervals of higher-grade potassic alteration have been encountered, however the bulk of drilled mineralization has remained pyrite-dominant – suggesting higher grades can be found in the core of the system. The Spark zone remains open in multiple directions and will be a focus of future drilling, vectoring towards the potassic core.
Drilling at Spark has targeted a broad Induced Polarization (“IP”) chargeability anomaly at depth, underlying coincident high-grade surface mineralization, within a pronounced magnetic low anomaly. Discovery hole CA-23-002 intersected 116.60 m of 0.31% copper and 0.30 g/t gold from 356.00 m downhole, within a broader interval of 435.00 m of 0.16% copper and 0.09 g/t gold. Hole CA-23-001 intersected 50.58 m of 0.29% copper and 0.14 g/t gold from surface, within a broader interval of 333.87 m of 0.13% copper. These holes were drilled 160 m apart, in the middle of coincident 1,200 x 600 m chargeability and 800 x 600 m magnetic anomalies.
The 2024 program tested eastward from the discovery hole, with hole CA-24-006 returning 106.00 m of 0.37% Cu and 0.22 g/t Au on a 315 m step-out. The other 2024 holes returned anomalous copper and gold mineralization, and provided valuable alteration data to begin the process of vectoring towards the higher-grade alteration within the porphyry system. Additionally in the 2024 program, evidence of multiple, overprinting porphyry events was observed.
Table 1: Spark Zone Drilling Highlights
Amp Zone
The Amp Zone is located between the Spark and Volt zones, and hosts newly discovered high-grade gold-silver epithermal veins. An outcrop sample collected in early 2024 returned 1,065 g/t gold with 267 g/t silver. Follow-up work collected a further 11 samples in the area around the high-grade discovery, with one returning 187 g/t gold with 33.9 g/t silver, and another returning 141 g/t gold with 45.2 g/t silver. Three more samples returned between 4.05 g/t gold and 9.24 g/t gold in the surrounding rock. A conjugate set of quartz-calcite veins related to the gold-silver mineralization has been identified, and the necessary structural measurements have been collected to advance the target for drilling in 2025.
The mineralization at Amp is associated with strong silicification, abundant pyrite and quartz-calcite veins and provides evidence of a large and fully preserved epithermal target. Gold-silver mineralization is hosted within a highly silicified basalt with up to 10% pyrite and is associated with elevated arsenic and antimony geochemistry, suggesting it is epithermal in nature. The Amp Zone also exhibits significant copper mineralization in rock samples, with a 2023 subcrop sample 60 m northwest of the high-grade gold-silver outcrop returning 1.68% copper with 0.72 g/t gold and another 2023 sample returning 2.13% copper in outcrop. Samples to date are suggestive of the potential for both copper-gold porphyry at depth and epithermal gold-silver mineralization at surface at the Amp Zone.
Volt Zone
The Volt Zone is located 2 km north of the Spark zone, and exhibits extensive surface copper-gold mineralization across a broad area. Sampling at Volt has returned an average rock grade of 0.32% copper with 0.70 g/t gold in 258 rocks collected across 500 x 500 m area, overlaying a 1,000 x 600 x 400 m coincident chargeability and resistivity high. Three holes drilled in 2023 tested a portion of the chargeability feature, but did not encounter significant mineralization at depth. Drilling at Volt has been complicated by the presence of a landslide which has shifted surface mineralization from its source by up to 200 m. Surficial geology work has been recently completed to help identify the source and refine targeting for additional drill testing in 2025.
Catch Geology and Mineralization
The Catch Property lies within the Stikine Terrane and is immediately adjacent to the 1,000+ km long, deep seated, crustal scale strike-slip Teslin-Thibert fault. The Stikine Terrane is characterized by Late Triassic to early Jurassic volcanic-plutonic arc complexes that are well-endowed with copper-gold-molybdenum porphyries including the Red Chris, Schaft Creek, Kemess, KSM and Galore Creek deposits and mines.
The Catch Property is mostly underlain by augite phyric basalt of the the late Triassic to Jurassic Semenof Formation, centered on a 7 x 3 km regional magnetic high. Copper gold porphyry mineralization is associated with potassic to sericitic alteration of basalt, diorite, feldspar porphyry, gabbro and lesser intrusion breccias and hydrothermal breccias. Secondary copper minerals including malachite, azurite and tenorite are widespread at surface, and coat fracture surfaces. Gold-silver epithermal mineralization is associated with strongly silicified basalts with abundant quartz-carbonate veins, up to 10% disseminated pyrite and have a arsenic-antimony geochemical association.
The geology, alteration and mineralization observed at the Catch Property demonstrate a robust copper-gold ± molybdenum bearing porphyry system and high-grade gold-silver epithermal mineralization.
Table 3: Catch Diamond Drill Hole Collars
Zone | Drill Hole | Easting (m)* | Northing (m)* | Elevation (m) | Azimuth (°)* | Dip (°) | Depth (m) |
Spark | CA-23-001 | 482,726 | 6,859,800 | 735 | 130 | -60 | 511.83 |
Spark | CA-23-002 | 482,702 | 6,859,958 | 772 | 130 | -65 | 554.00 |
Volt | CA-23-003 | 482,848 | 6,861,850 | 1,034 | 040 | -60 | 440.00 |
Volt | CA-23-004 | 482,845 | 6,861,848 | 1,030 | 200 | -75 | 478.00 |
Volt | CA-23-005 | 482,518 | 6,861,580 | 900 | 040 | -60 | 478.00 |
Spark | CA-23-006 | 482,953 | 6,859,786 | 816 | 130 | -70 | 570.00 |
Spark | CA-23-007 | 482,705 | 6,859,962 | 744 | 075 | -70 | 630.00 |
Spark | CA-23-008 | 482,953 | 6,859,793 | 833 | 040 | -65 | 413.00 |
Spark | CA-23-009 | 483,324 | 6,859,795 | 897 | 210 | -65 | 642.54 |
Spark | CA-23-010 | 483,180 | 6,859,892 | 903 | 210 | -75 | 799.00 |
Technical Reports
May 9, 2023 | Catch Property Technical Report |