The Geologic Oddity in Arizona; Flagstaff's Recent Glaciers

It was not so long ago that Arizona contained several hundred foot thick and more than a mile long glaciers. These glaciers existed as little as 10,000 years ago north of the city of Flagstaff within the San Francisco Mountain complex. They grew and contracted 4 times, before finally disappearing altogether. Today, you can find remnants of glacial till and moraines on the east-northeast section of the San Francisco Mountain. Thumbnail Photo Credit: Photo Credit: Loewen, M. W., Alaska Volcano Observatory / U.S. Geological Survey, https://avo.alaska.edu/images/image.p.... This image was then overlaid with text in addition to GeologyHub made graphics (the image border with the GeologyHub logo). If you would like to support this channel, consider using one of the following links: (Patreon:   / geologyhub  ) (YouTube membership:    / @geologyhub  ) (Gemstone & Mineral Etsy store: http://prospectingarizona.etsy.com) (GeologyHub Merch Etsy store: http://geologyhub.etsy.com) Google Earth imagery used in this video: ©Google & Data Providers This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes. Various licenses used in sections of this video (not the entire video, this video as a whole does not completely fall under one of these licenses) and/or in this video's thumbnail image: Public Domain: https://creativecommons.org/publicdom... CC BY 4.0: https://creativecommons.org/licenses/... Sources/Citations: [1] U.S. Geological Survey [2] Adamo, N., AlAnsari, N. and Sissakian, V. (2021) Review of Climate Change Impacts on Human Environment: Past, Present and Future Projections. Engineering, 13, 605-630, CC BY 4.0 [3] Panchuk, K. (2019) Glaciation over Earth’s History. Section 4, Chapter 17 of the DOI: 10.4236/eng.2021.1311044 626 Engineering Book (Physical Geology). The University of Saskatchewan, Saskatoon. [4] NOAA [5] The Google Earth KMZ file used in this video used to show the Geologic Map of Arizona was downloaded from: U.S. Geological Survey, Arizona geologic map data, at https://mrdata.usgs.gov/geology/state... [6] Alaska Volcano Observatory 0:00 Glaciers in Arizona 1:16 Arizona's Volcanoes 3:48 Glacial Advance Timing 4:18 Conclusion