Exotic Terrane (USGS 1992)
Description provided by video source site:
“A geologic history of the Pacific Northwest that explains how islands near China accreted, or welded, themselves to the North American continent. Animations of the formation of North America explain the process. The video also visits Hells Canyon in Idaho. On-location interviews with an expert geologist add to the viewer’s experience. “
Warning: Large file - Broadband connection required
Video provided by The Open Video Project (Source)
Image: Marin headlands, CA an example of exotic terrane. Courtesy USGS Western Ecological Research Center (Source)
Posted in Plate Tectonics
