For Your Geologists: Psychedelic Rock: Colorful Geologic Maps Of [US] National Parks

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Link: Psychedelic Rock: Wildly Colorful Geologic Maps of National Parks | Science Blogs | WIRED

 

The page includes links to high resolution copies of the maps with explanations.

 

Yellowstone National Park:

 

 

http://www.wired.com/wp-content/uploads/images_blogs/wiredscience/2013/08/yellowstone_geologic_map_1000_0.jpg

 

34 geological maps covering various locations are linked on the page.

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Link: Geologic Map of North America [This is a large image: 25.48 MB: 7000 x 6798 at 100 DPI]

 

Detail from the map:

 

http://i.snag.gy/ffbrD.jpg

 

Credit: U.S. Geological Survey

Department of the Interior/USGS

Edited April 14, 2014 by 6Foot2