Curated OER
National Park Service: Grand Canyon Geology
Extensive information about the geology of the Grand Canyon. Looks at some principles of geology evident there, forces that have shaped its geological features, how its valleys and canyons were formed, the characteristics of the Colorado...
![Impact Tectonics: Earth's Interior, Gravity, and Magnetism [Pdf] PPT](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Impact Tectonics: Earth's Interior, Gravity, and Magnetism [Pdf] PPT")
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Impact Tectonics: Earth's Interior, Gravity, and Magnetism [Pdf]
Topics covered in this slideshow include the Earth's interior, seismic S- and P-waves, the crust and mantle, phase boundaries encountered by seismic waves, the Earth's internal heat, gravity and density, gravitational anomalies, the...