Wonders of the National Parks: A Geology of North America
Wonders of the National Parks: A Geology of North America
The Grand Canyon’s 2-Billion-Year Staircase (1x24)
Data di messa in onda: Ott 22, 2015
Descend into the Grand Canyon, recording the full sequence of strata from top to bottom - a story that takes you from 270-million-year-old limestone formed in a shallow sea to basement rocks that record a mountain-building saga from 1.7 billion years ago.
- Iniziato: Ott 2015
- Episodi: 34
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