The Grand Canyon’s 2-Billion-Year Staircase
Material type:![Film](/opac-tmpl/lib/famfamfam/VM.png)
- two-dimensional moving image
- computer
- online resource
In Process Record.
Title from title frames.
Film
Originally produced by The Great Courses in 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..
Mode of access: World Wide Web.
In English