The Massive Eruption of California's Supervolcano: Evidence in Owens River Gorge
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- Опубліковано 15 гру 2023
- Investigate the explosive eruption of the Long Valley caldera and the thick deposit of ash known as the Bishop Tuff in Owens River Gorge with geology professor Shawn Willsey. GPS location: 37.52528, -118.57531
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Excellent video! I love this part of California and have been there several times. As an amateur geologist with a special interest in volcanology and seismology, it doesn't get any better than this. Highway 395 from Lee Vining south to Lone Pine is incredible. Many thanks, Professor Willsey.
Fun fact is the oldest living organism in the world, Methuselah, a 4,855 year old tree lives in the White Mountains East of the Owens Valley. Highly recommend people visiting the area to check out the bristlecone pines.
My parents and my aunt and uncle first took me to Mammoth Lakes in 1962. US 395 was mostly just 2 lanes, so the trip would take just over 8 hours, so we would make one trip a year. In 1971 I joined Mt high school ski club. It was great. Every other month we would stay in June Lake, ski June Mountain on Saturday then on Sunday we would ski Mammoth. I felt like I was really cool. In 1972 I got my driver's license, and that changed everything. My oldest brother had a 66 Mustang, a 289 4 barrel carburetor. After that, he would let me go fishing with him and his friends, and he would let me do most of the driving. In 1974, my parents bought a 55 foot mobile home and we kept it at the Crawley Lake campground. We were always up there all year, fishing in the summer and skiing in the winter. In the 70s, US 395 was always being improved. From Northridge, CA to Mammoth Lakes now takes about 4 hours. We were living large. Due to health reasons, I don't get up there as often as before. Last year the great winter we had allowed Mammoth Mountain open until late August, I will be up there as often as possible. Since the 80s, there has been a lot more volcanic activity, and now we have an increase in the volcanic activity. Many of the trees around Horseshoe Lake. The reason finally came out, an increase in carbon dioxide is seaping up from the ground which means there are a lot more volcanic pools underneath the surface. Mammoth Mountain is a dormant volcano. There are many volcanic areas in the area. It won't take much to release the molting lava. Everything that v makes Mammoth so beautiful could be wiped out in an afternoon. Everyone talks about Yellowstone blowing up, but the Eastern Sierras are just as volatile, maybe even more so.
When we did this field trip in 1993 my professor stated that thin layers ash deposits consistent with the Bishop Tuff have been identified as far away as Kansas.
What? You don’t have a real map.
Kitty Litter, oil absorbant, concrete mix, have entered the chat
So interesting! Your explanations are excellent and it is easy-to-follow along. Appreciate the maps, aerial views, and graphics (ie, names) as well. Thanks!
Thank you, Professor. I always believed that the more gradual western slope of the Sierras was attributable to erosion and greater precipitation. Love the Great Basin and HWY 395!
have you been to Cerro Gorda Ghost Town yet? i bet you would get a kick out of the place. Brent seems like a cool guy too. he could take you around to check out the geology of the mine and the town, and you could give us a nice overview too =)
I really enjoy these videos. The lead in fly over to the sites is great.
This is "MY" area -- where I lived for a few years and where I developed my fascination with geology. There's nowhere like it -- from desert to alpine landscape in a matter of a few miles as you climb the Bishop Tuff on US-395. My favorite area of CA even though I lived on the SoCal coast most of my formative years. I've always been fascinated - and
Owens Valley is an excellent site for hang gliding, especially for pilots who love XC -- cross country long distance flying. No-engine flying; just thermals.
A peaceful morning in which to visit the evidence of stupendous power, just lying there under your feet. Amazing.
Great video! Spent a lot of time in this area over the last 25 years, almost all of it hiking in Yosemite or skiing at Mammoth. Missed a whole lot! I now have a game plan for future visits.
OMGosh! Again fascinating! I have never commented on UA-cam videos before yours! I feel like a groupie! 64 years old and makes me feel like an excited little kid! Thank you so much! I have found a road cut on my way to work which I want to stop and look at and today my Charles Stanley (deceased) In Touch devotional came and on the cover was something I have ever seen. I told my husband “this is fascinating geology! I’m going to have to look it up!” Dr Charles Stanley was an amazing photographer along with his amazing preaching and author of many wonderful books. It was a picture of Death Valley from the air, which I can only think of what must be sand formations that look like snow covered mountains! So you have created another geological fanatic! Thank you for teaching us all about the fascinating geology of the Earth! I hope your students know what they have with you as their professor! Sorry so long but I had to :)
Frothy volcanic glass! I like the way that sounds. Thanks.
I greatly enjoyed this video. Also learned two new words; Xenolith and Fiamme. Thanks Shawn.
Awesome description of the fumaroles !!!
I’m fascinated by volcanoes. Really like your way of explaining the various rock formations.