Tag Archives: submarine

Modern vs. Ancient Marine Evaporite Environments

Compare and contrast modern and ancient marine evaporite environments. The mineral makeup of the earth has changed over time. Aside from mineral evolution, atmospheric and climate changes also impact what type of sediments are produced. In the era of a … Continue reading

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Mid-Ocean Ridge

Describe the sediments you would expect on the ocean floor near a mid ocean ridge, from the ridge crest to the deep ocean floor 4000m below sea level on either side of the ridge. How active divergent margins evolve determines … Continue reading

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1929 Grand Banks, Newfoundland earthquake

Following an earthquake in 1929 in the Grand Banks area, south of Newfoundland, 12 Atlantic submarine cables were broken in at least 23 places over a period of 12 hours. The breaks occurred progressively in a southward direction. The times … Continue reading

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Literal GeoSign

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Lytton, BC is home to the only geosign I know of that is actually a sign made of geology. The jellyroll is a geologic structure made by a submarine slump. This monstrous example was uncovered at a local gravel mine, … Continue reading

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Adapting Defenses to Environments

Allow me to introduce you to Canada’s first line of defense.

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