Frozen Volcanoes
For those who don’t know, the Earth was a lot hotter in the past than it is now. This heat came from underground volcanoes while the Earth was cooling. After that, water synthesized itself, then came oxygen and bacteria. These volcanoes created the land we walk on today, even in the arctic. Fortunately, we have some examples of ancient volcanoes perfectly preserved in frigid areas.
Tectonic Plates
Glaciers practically stopped the cracking of the Earth when they developed during the Ice Age. Due to that, there are million-year-old tectonic plates trapped in time from the Ice Age that occurred 2.6 million years ago. The majority of them are frozen thousands of miles down beneath the crust of the Earth, but with infrared-technology, we can view the bottoms of these plates with ease.
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