Episode 10: Mt. St. Helena Notes

In this episode I talk about the geology behind the sport climbing on Mt. St. Helena and give a definitive answer to what the rock type is at The Bear.

Link To Episode: https://soundcloud.com/quinn-todzo/trbtc-episode-10-mt-st-helena 

My Photos:

https://imgur.com/gallery/PswhX7r 

Mountain Project links to climbs mentioned in the episode:

https://www.mountainproject.com/area/105733881/mount-st-helena

https://www.mountainproject.com/area/105734042/the-bear

https://www.mountainproject.com/area/105734213/the-bubble

https://www.mountainproject.com/route/108644963/hailstone-arete

Sources used in the episode

https://www.youtube.com/watch?v=XBt-C-hgR5I - subduction of farallon animation

https://en.wikipedia.org/wiki/The_Silverado_Squatters 

https://napavalleyregister.com/lifestyles/real-napa/rolling-along-the-oat-hill-mine-trail/article_269426b4-1ec0-11df-affd-001cc4c002e0.html 

https://www.sfgate.com/travel/article/The-road-to-Silverado-Stevenson-s-Calistoga-3210720.php 

https://www.amnh.org/exhibitions/gold/incomparable-gold/forming-deposits#:~:text=Gold%20may%20occur%20as%20deposits,new%20locations%20in%20the%20crust. 

https://oceanservice.noaa.gov/facts/vents.html#:~:text=Hydrothermal%20vents%20are%20the%20result,reemerges%20to%20form%20the%20vents. 

https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-3091.1974.tb02059.x - vesicular tuff

https://mrdata.usgs.gov/geology/state/sgmc-unit.php?x=-122.60496&y=38.6521 

https://www.sciencedirect.com/topics/earth-and-planetary-sciences/hydrothermal-fluid 

https://www.mountainproject.com/area/106092932/silverado-mine 

https://www.amnh.org/exhibitions/gold/incomparable-gold/forming-deposits#:~:text=Gold%20may%20occur%20as%20deposits,new%20locations%20in%20the%20crust. 

https://en.wikipedia.org/wiki/Sonoma_Volcanics 

https://www.fishfriendlyfarming.org/sites/default/files/pdfs/slideshow-geology-of-napa-valley.pdfhttps://www.parks.ca.gov/pages/734/files/GeoGems

https://pubs.geoscienceworld.org/gsa/geosphere/article/7/3/629/132448/Geology-and-geochemistry-of-volcanic-centers

https://www.medellin.unal.edu.co/~rrodriguez/geologia/mex/mex6.htm