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The mining newspaper for Alaska and Canada's North
GT Gold continues to tap robust porphyry system at Tatogga North of 60 Mining News – September 6, 2019
A drill expands the porphyry gold-copper mineralization at the Saddle North discovery on GT Gold's Tatogga property in northwestern British Columbia.
GT Gold Corp. Sept. 4 reported the longest gold-copper drill intercept so far at Saddle North, tracing porphyry mineralization from near-surface to a depth of three-quarters of a mile (1.2 kilometers) at this discovery on its Tatogga property in British Columbia's Golden Triangle.
GT Gold drilled its first holes into Saddle North during 2018, tapping long sections of robust porphyry copper mineralization.
Highlights from this 10-hole discovery program include:
• 822.2 meters of 0.42 grams per metric ton gold, 0.26 percent copper and 0.62 g/t silver in TTD085;
• 904.1 meters of 0.51 g/t gold, 0.3 percent copper and 0.93 g/t silver in TTD093; and
• 1,149.7 meters averaging 0.62 g/t gold, 0.36 percent copper and 1.17 g/t silver in TTD109.
The first holes reported from this year's program began to demonstrate a direct link of excellent and increasing grades existing between the near-surface mineralization through moderate depths to the deeper and generally highest-grade mineralization at Saddle North.
Highlights from these first 2019 holes include:
• 685 meters of 0.7 g/t gold, 0.44 percent copper and 1.09 g/t silver from a depth of 21 meters in TTD112;
• 303 meters of 0.45 g/t gold, 0.38 percent copper and 1.04 g/t silver from a depth of 43 meters in TTD113; and
• 431 meters of 0.46 g/t gold, 0.33 percent copper and 0.91 g/t silver from a depth of 17 meters in TTD116.
The latest batch of 10 holes from the 2019 drilling at Saddle North continued to expand the gold-copper porphyry mineralization along strike and continue to show continuity through moderate depths to the deeper and generally highest-grade mineralization.
Highlighted intercepts from the latest batch of drill results include:
• 1,206 meters of 0.57 g/t gold, 0.26 percent copper and 0.96 g/t silver from a depth of 18 meters in TTD126;
• 964 meters of 0.43 g/t gold, 0.22 percent copper and 0.73 g/t silver from a depth of 34 meters in TTD121; and
• 396.5 meters of 0.37 g/t gold, 0.31 percent copper one g/t silver from a depth of 7.5 meters in TTD125.
From a depth of 872 meters to near the bottom of the hole, TTD126 cut 324 meters of higher-grade mineralization that averaged 0.94 g/t gold, 0.51 percent copper and 1.74 g/t silver. The highest gold grades in this hole were 51 meters of 4.05 g/t gold, 0.31 percent copper and 3.06 g/t silver from a depth of 410 meters.
From a depth of 734.5 meters, TTD121 cut 230 meters averaging 0.97 g/t gold, 0.42 percent copper and 1.46 g/t silver. GT Gold said this is a 100-meter southeasterly extension of the robust mineralization encountered in hole TTD093 drilled in 2018.
"It is great to see such a robust set of results supporting continuity borehole to borehole and section to section," said GT Gold President and CEO Paul Harbidge. "It is very encouraging to see increasing grade at depth."
GT Gold said the 250- to 300-meter thick higher-grade core zone at Saddle North has now been traced for nearly 1,500 meters down-plunge and 400 meters along strike. It is contained within a 600- to 700-meter thick mineralized envelope that extends more than 1,500 meters down-dip and 700 meters along strike. The company said this porphyry copper-gold system remains open in most directions, with highly prospective targets remaining at depth, to the west, and to the southeast.
With the 10,000-meter initial phase of drilling completed at Saddle North, the company has begun a 15,000-meters second phase of drilling at Tatogga. While infill and expansion drilling at Saddle North will continue to be the primary focus, the company said it may test peripheral targets if there is enough time.
GT Gold expects the second phase of drilling to continue into October with assay results being released late in 2019 and potentially early 2020.
Assay results from 1,350 meters of drilling during the phase-1 program are pending.
Over his more than 16 years of covering mining and mineral exploration, Shane has become renowned for his ability to report on the sector in a way that is technically sound enough to inform industry insiders while being easy to understand by a wider audience.
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