Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.

Photographer: Barry Swackhamer
Taken: June 4, 2016
Caption: Geology of Hot Springs Marker
Additional Description: Captions: (diagram on left) The Thermopolis Anticline is a dome-shaped structure in which layers of fractured rock bend downward in opposite directions from the crest.; (bottom center) When underground, the hot water dissolves calcium carbonate from limestone formations and carries it in solution to the surface. As the water cools the dissolved minerals “precipitate” or “fall out” of the water, forming the beautiful travertine terraces seen throughout the park.; (upper right) Gas bubbles rising to the surface contain hydrogen sulfide, which creates the unusual odor at the springs.
Submitted: September 11, 2016, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p362370
File Size: 3.382 Megabytes

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