Silversea Expedition Cruises A SMOKING HILLS (Northwest Territories)

The Northwest Territories’ Smoking Hills show a natural phenomenon which has probably been active for thousands of years. The hills close to the Beaufort Sea were seen by John Franklin in 1826 during his second Canadian expedition looking for indications of a Northwest Passage. Franklin observed that the rocks and soil around Cape Bathurst seemed to be on fire and produced acrid white smoke. They were therefor named “Smoking Hills”. View more

The reason behind this phenomenon is neither human-induced burning nor volcanic activity, but the subsurface exothermic reaction between the bituminous shale, the sulfur and the iron pyrite of the area. The heat being released through the oxidation of pyrites in the Cretaceous mudstones along the sea cliffs leads not only to high ground temperatures, but also to hot sulfurous gas being driven off and the possibility of spontaneous combustion. The fumes that are seen contain sulfur dioxide and sulfuric acid and are noxious.

An Introduction to Silversea Expeditions

“Voyage of a lifetime” does not even begin to describe a Silversea Expedition experience. Imagine the comfort and intimacy of our ships, coupled with the most intriguing, far-flung destinations on earth. With over 590 destinations on all 7 continents, this is expedition cruising at its finest. Our uniquely curated itineraries with excursions adapted to individual ability and interest cater to all, while our knowledgeable and enthusiastic experts lead the way. Butler service, highest crew to guest ration in the industry and all-inclusivity make a Silversea Expedition cruise like nothing you have ever experienced.

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An Introduction to Silversea Expeditions

“Voyage of a lifetime” does not even begin to describe a Silversea Expedition experience. Imagine the comfort and intimacy of our ships, coupled with the most intriguing, far-flung destinations on earth. With over 590 destinations on all 7 continents, this is expedition cruising at its finest. Our uniquely curated itineraries with excursions adapted to individual ability and interest cater to all, while our knowledgeable and enthusiastic experts lead the way. Butler service, highest crew to guest ration in the industry and all-inclusivity make a Silversea Expedition cruise like nothing you have ever experienced.