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Visual Capitalist: The re-awakening of the Golden Triangle

by Jeff Desjardins | posted with permission of Visual Capitalist | April 6, 2017

The re-awakening of the Golden Triangle

 

Many years ago, a remote and mountainous region in northwestern British Columbia gained considerable attention as an emerging mineral district. With a rich mining history, one of the world’s largest silver mines (Eskay Creek, discovered in 1988) and million-ounce gold deposits, this area of incredible wealth became known as the Golden Triangle.

However, despite its obvious potential, the vast majority of land in this highly prospective region has been left mostly untouched by humans. A combination of factors, including low gold prices and a lack of infrastructure, led to the area lying dormant for decades.

Today, things are changing dramatically. The Golden Triangle is a new hotbed for mineral discovery, where over 130 million ounces of gold, 800 million ounces of silver and 40 billion pounds of copper have been found. The amazing part is that this is only scratching the surface of the region’s ultimate potential.

Skeena Resources TSXV:SKE and IDM Mining TSXV:IDM have generously helped put together the story on the re-awakening of the famed Golden Triangle.

The new gold rush

Why is the Golden Triangle at the centre of attention again? There are five main reasons:

1. New deposits found

The old adage is that the best place to find a new mine is near an existing one. Here are three major deposits in the Golden Triangle that have geologists and financiers buzzing:

KSM

Seabridge Gold’s (TSX:SEA) KSM project is the largest gold project in the world. In 2014 it received the green light from Canada’s federal government to go ahead. A porphyry-style deposit, it has reserves of 38.8 million ounces of gold, 10.2 billion pounds of copper and 183 million ounces of silver.

Red Chris

This $700-million copper and gold mine entered production in 2015. Owned by Imperial Metals TSX:III, it will be in production until 2043 based on current mine life estimates. In 2016 alone, it produced 83 million pounds of copper, 47,000 ounces of gold and 190,000 ounces of silver.

Valley of the Kings

The latest, and perhaps most interesting, discovery in the Golden Triangle is slotted to reach commercial production in 2017. The Valley of the Kings, unlike the above porphyry-style deposits, contains extremely high-grade gold. With 15.6 million tonnes grading 16.1 g/t gold, this deposit has some of the richest ore in the world.

2. New Infrastructure

In recent years, the Golden Triangle has received three massively important infrastructure upgrades:

  • Paving of the Stewart-Cassiar Highway (north from Smithers)

  • Opening of ocean port facilities for export of concentrate at Stewart

  • Completion of a $700-million high-voltage transmission line to bring power into the Golden Triangle

3. Declining snow cover

Glacial ice and snow have been retreating in many parts of the region, revealing rocks never seen before by human eyes. Especially in a mineral-rich region such as the Golden Triangle, this is a very exciting prospect for mineral geologists.

4. A new geological explanation

The Golden Triangle region has complex geology that had befuddled explorers for decades—but recent work has made the picture much clearer. Geologist Jeff Kyba has put forth the following theory: Geological contact between Triassic-age Stuhini rocks and Jurassic-age Hazelton rocks is the key marker for copper-gold mineralization.

Most of the Triangle’s copper-gold deposits, whether they are large-scale porphyry and intrusion-related, are found within two kilometres of this contact. It’s been named the Red Line, and this new interpretation of the region’s geology could contribute to B.C.’s next mega deposit.

5. Gold price recovery

Since the “sleepy” days of the Golden Triangle, gold prices have increased three times, even after adjusting for inflation. Combined with new infrastructure, exciting projects and world-class mineral potential, the Golden Triangle is awake again.

What’s happening today?

Today, the Golden Triangle is buzzing with activity.

  • The Red Chris mine is now in operation

  • Valley of the Kings is entering production in 2017

  • KSM, the world’s largest gold deposit, is nearing potential construction

  • Historic mines like the Snip Mine and Granduc are being explored using modern methods

  • New high-grade gold is being found. Red Mountain and the old Premier gold mine are the sites of some of these discoveries

  • Dozens of companies are on the ground performing all phases of exploration

Many types of mineral deposits are being tested for, including high-grade gold veins, large-scale porphyries and VMS (volcanogenic massive sulphide) deposits. The Golden Triangle is once again a centre of attention and it could be poised to become one of the world’s most prolific concentrations of mineral wealth.

Posted with permission of Visual Capitalist.

See an infographic about the Golden Triangle’s mining history.

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