Name: Lithified Terror atop Bridge Spring Ash
Uploaded: 2025-01-26T01:24:50+00:00
Duration: 39 min 43 s
Description: The 15.2 Ma Bridge Spring Ash divides the lower 18-15 Ma Patsy Mine volcanics from the above 15-12 Ma Mt Davis volcanics. The ash is found for miles in both the east and west directions but mostly to

10 months ago

Health & Science Do It Yourself Geology Volcanic Tuff Volcanic Ash Tuff Types Do It Yourself Desert Walk Bridge Spring Tuff Pyroxene

The 15.2 Ma Bridge Spring Ash divides the lower 18-15 Ma Patsy Mine volcanics from the above 15-12 Ma Mt Davis volcanics. The ash is found for miles in both the east and west directions but mostly to the west where it becomes highly welded (vent source) near the Eldorado chaos area.

Locations of the tuff types in the video:
Lithified here 35.738037,-114.82328
Moderately Welded 35.616369,-114.999539
Highly Welded 35.796244,-114.882455

Tuff of Bridge Spring (geology, locations, and descriptions):
https://digitalscholarship.unlv.edu/thesesdissertations/1453/

Free Geologic Map. (at the very south map edge and east of Hiway 60):
https://pubs.usgs.gov/of/2013/1267/a/

Camera: $200 Sony CX405. Extremely light but but tuff.

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