A billion years ago, North America nearly tore itself apart into two separate pieces.
In short: North America once faced a geological split that could have fundamentally altered the continent. This video explores the failed rift that nearly created an ocean where Lake Superior sits today.
Approximately 1.1 billion years ago, tectonic forces initiated a process that threatened to divide the North American landmass in half. Had this rifting event continued to completion, the geography of the continent would be unrecognizable, with a new ocean basin occupying the region currently defined by Lake Superior.
This episode examines the mechanics of this ancient, failed separation, providing context on how the continent remained intact despite the immense geological pressure to fracture.
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- Summary by Intellect · source: How North America Almost Separated Into Two Pieces
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