American Creek Resources Ltd. (ACKRF)

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Treaty Creek - American Creek

Can block caving tap the immense deep resources in the Golden Triangle?

Resource World - March 7, 2022

By Ellsworth Dickson

As exploration and mining companies in northwestern British Columbia’s prolific Golden Triangle region advance their mining projects to the point where orebodies are being delineated, thoughts are turning to the best mining methods to monetize their huge copper, copper-gold and gold-copper-silver deposits.

By its nature, mining is capital intensive so it is crucial to choose a mining method that is suitable for a deposit’s particular geometry and grade that will generate a profit. There are several common mining methods available, including room and pillar, shrinkage stoping, cut and fill, sublevel caving, longwall mining and block caving.

However, it is block caving that offers some real mining cost savings – in the right circumstances – and which is being given increasing consideration.

Basically, block caving is a way to mine large, fairly low-grade ore deposits at depth utilizing gravity. For block caving to work, the orebody needs to have large dimensions in all three directions – width, length and the vertical extent – with a relatively homogenous grade. Block caving is not suitable for vein deposits, although it’s OK to have mineralized veins within a large homogenous mineral deposit.
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Finally, the Treaty Creek project of American Creek Resources Ltd. [AMK-TSXV; ACKRF-OTCBB], 20%, Teuton Resources Corp. [TUO-TSXV; TEUTF-OTC; TFE-FSE], 20%, and Tudor Resources Corp. [TUD-TSXV; TDRRF-OTC; TUC-FSE], 60%, may also fit the bill for block caving. Located 70 km north of Stewart, the current area of focus is on the Goldstorm zone which hosts, in all categories, 24.55 million ounces of gold, 133.98 million ounces of silver, and 1.426 billion pounds of copper and remains open in all directions.

Of note, unlike other Golden Triangle deposits which are copper-dominant, Treaty Creek is gold-dominant. In terms of gold, Treaty Creek is larger than every other Golden Triangle deposit except KSM. A total of 90% of Treaty Creek’s Goldstorm deposit value comes from gold with only 10% from copper and silver. With four known deposits and geophysics indicating total potential resources on a KSM-scale, the current resources are viewed as very expandable.

Treaty Creek drill holes are returning good mineralization down to depths of over 1,200 metres – deeper than any potential open pit mine – so block caving would be a logical consideration.


Read more at:
https://resourceworld.com/can-block-caving-tap-the-immense-deep-resources-in-the-golden-triangle/