Excellent! I am a geologist from the East Coast now retired in an over 55 in Orange County, CA. I used to teach Physical Geology as an adjunct and really enjoy your well constructed video lectures as they are a great refresher for my slowly lithifying stagnant brain. Great job!
I’ve taught at several places in Southern California, including Long Beach State, UCLA, and Mt. San Jacinto Community College. I miss being in Southern California terribly! Glad to have you joining us!
@@jdove6883 we moved back to PA recently to be with our first grandchild, and as I write this I literally just got back from Seattle where we had our second. Geology is everywhere so there is more than enough to slow down the lithification process.
I lived in Idyllwild for 17 years, starting in 2001. It is an amazing place for its physical beauty and the wonderful people who live there. Like many small mountain communities, it has become "too well liked" with an overabundance of weekend rental properties and loud brash visitors.
Thanks! I was just in that area last weekend and I highly recommend the Aerial Tram outside of Palm Springs for any fellow geology nerds. It’s a bit expensive, especially if you wanted to take a whole family, but I was blown away by the rocks and views at the top (~8500ft) and the texture and mix of colors of the rocks on the way up was incredible.
Great video. I had to watch it twice to absorb the information. Especially enjoyed the crystalline break down of a granodiorite and your explanation of Xenoliths. Subscribed.
Thank you Professor. Nice presentation, maybe you can get the camera closer to the rock so we can get a better look. Some of us live far and away from California. It is quite interesting. Please keep teaching your worldwide audience !
Granodiorite! We've got it. Great video. I live down the hill in Hemet. This is a very interesting area for sure. I think you start seeing some K Spar over towards Thomas Mt. and down in the canyons by us. But we do not have typical Granite, I guess. So many stratigraphic units around here it is crazy.
Is the mountain still rising? One would think the sheerest escarpment in North America would have quite a fault on its steep side. But in regards to the San Jacinto Mtns all that’s ever mentioned is the strike slip faults in the area. Something caused that mountain to jump up two miles above Palm Springs.
Indeed, it is still rising. That uplift is being motivated and controlled by several major faults in the San Andreas system, most notably the San Jacinto fault.
Is it the same rock that's on the north side of the 10 freeway around Big Bear and Mt San Gorgonio? I live in Southern Calif and love learning about the Geology and I also hike these mountains as well as the entire Sierra Nevada Range.
Cool, i love to hike Mt San Jacinto. Do you think its possible to find hornblend nephrite up there? Also love the Smith River. That was a good video too.
It's been almost 20 years since I've seen those rocks at Joshua Tree. Monzonites are usually quartz-poor (less than 5% of the rock) but have abundant plagioclase and potassium feldspar. I definitely recall the abundant feldspar phenocrysts but my memory is that those are plagioclase dominated (sodium-rich variety) with K-spars occurring in the groundmass, but I could be wrong. It's just been so long ago.
Where was that volcano when it was active. Because it is west of the San Andreas it could have been in or much nearer to Mexico then. I like to know where things were when they formed because I have learned that the geography of the planet was vastly different when major events happened. The hot spot under Yellowstone was in Nevada. The only dinosaur fossil found in Washington was on an island that was part of Mexico when the T-Rex died. They usually use images of how the planet looks now rather than what it looked like during an era. Confusing.
You're welcome that was very interesting how big was a rock you look like what I could see is like a 7 ft square I've been higher so what do you need God bless you good video ✝️✡️🌹🐻💖🐼🦩🐦💚💙
I haven't heard of dark plagioclase. They are characteristically white or gray in colour. Secondly, the type of plagioclase in basalts should be anorthite, not albite.
I reviewed your comment and think I know why you misunderstood me here. What I said was: “sometimes plagioclase can be pretty dark like what you would see in a basalt, so these (these being those minerals that I’m looking at in the video) are albitic plagioclases.” The word “albite” comes from the latin “albus” which means “white” so I was attempting to compare the dark-colored plagioclase aka anorthitic plagioclase (which is typically gray) with the albitic ones we see in the video. I tend to blend colloquialisms with more formal terminology in order not to lose people who have a beginner level of familiarity with the topic. Hope this explains things.
@@EarthandSpaceSciencesX Thanks for the clarification. I see that I have completely misunderstood what you refer to in the video because your intonation in the sentence somehow escaped my notice and I thought you referred to feldspar types in basalt by “albitic”. Now everything is crystal clear.
Always happy to see a video from your channel appear in my feed.
I appreciate that!
Would love to see more of this type of content.
Beautiful area. I find large xenoliths in the granodiorite here in San Diego County.
Excellent! I am a geologist from the East Coast now retired in an over 55 in Orange County, CA. I used to teach Physical Geology as an adjunct and really enjoy your well constructed video lectures as they are a great refresher for my slowly lithifying stagnant brain. Great job!
I’ve taught at several places in Southern California, including Long Beach State, UCLA, and Mt. San Jacinto Community College. I miss being in Southern California terribly! Glad to have you joining us!
Go back into the field sir! I am 62 and have been rockhounding since I was
7 years of age. It keeps you sharp.
@@jdove6883 we moved back to PA recently to be with our first grandchild, and as I write this I literally just got back from Seattle where we had our second. Geology is everywhere so there is more than enough to slow down the lithification process.
Excellent! Thanks!
I’ve been to Idyllwild, loved it!! The rocks are definitely very special 💜🙏💚
Glad to see you back at it Paul!
I lived in Idyllwild for 17 years, starting in 2001. It is an amazing place for its physical beauty and the wonderful people who live there. Like many small mountain communities, it has become "too well liked" with an overabundance of weekend rental properties and loud brash visitors.
I agree with that. The type of community up there has changed quite a bit the last 30 years.
Rock on! 💎. 💜
Thanks! I was just in that area last weekend and I highly recommend the Aerial Tram outside of Palm Springs for any fellow geology nerds. It’s a bit expensive, especially if you wanted to take a whole family, but I was blown away by the rocks and views at the top (~8500ft) and the texture and mix of colors of the rocks on the way up was incredible.
Great video. I had to watch it twice to absorb the information. Especially enjoyed the crystalline break down of a granodiorite and your explanation of Xenoliths. Subscribed.
Thanks for you kind comment!
Thank you for the knowledge! I just hiked up to Mt. San Jacinto's peak last Saturday. These same rocks sit at the very top of the peak! Amazing!
I'll definitely be checking out your other videos. I've been searching for this type of content
Awesome!
I can't thank you enough for all these videos you uploaded on RUclips. Hope all is well.
You're very welcome!
Thank you! I've lived here for 21 years and wasn't aware of much of what you said.
Thanks for taking the time out to show and explain about this really interesting corner of the continent. I always look forward to your new uploads.
John Muir compared the Idylllwild area to that he experienced in the cental Sierra Nevada mountains.
There are some definite similarities.
I love these videos. Thanks so much for making them.
Thanks for watching!
Interesting ... Very well done!
Thank you! Cheers!
Completed my geo course with a highest grade but still on your channel
I’m going to hike the San Jacinto peak, learned a ton in your video! Thank you! ❤
You are going to love it! I’ve hiked it several times and it’s a great experience.
THANK YOU
Thanks for the video. I used to hike up in this mountain. I am surprised this mountain is still growling at the fast rate as explained in the video
Thank you Professor.
Nice presentation, maybe you can get the camera closer to the rock so we can get a better look. Some of us live far and away from California.
It is quite interesting.
Please keep teaching your worldwide audience !
Yeah, that’s a good idea. I’m still learning how to do this fully online in a way that works.
I would have liked to hear about the pegmatites in that area, especially the black tourmalines found there.
I have found a few beautiful tourmalines there myself. I’ll add it to my suggestions list.
I live at the foot of it in hemet Its weather changes fast sometimes the clouds get stuck there when it rains
Granodiorite! We've got it. Great video. I live down the hill in Hemet. This is a very interesting area for sure. I think you start seeing some K Spar over towards Thomas Mt. and down in the canyons by us. But we do not have typical Granite, I guess. So many stratigraphic units around here it is crazy.
Next time I am in town I’ll have to look more closely over at Thomas Mountain!
Is the mountain still rising? One would think the sheerest escarpment in North America would have quite a fault on its steep side. But in regards to the San Jacinto Mtns all that’s ever mentioned is the strike slip faults in the area. Something caused that mountain to jump up two miles above Palm Springs.
Indeed, it is still rising. That uplift is being motivated and controlled by several major faults in the San Andreas system, most notably the San Jacinto fault.
❤️❤️❤️❤️❤️❤️❤️❤️
Can you explain the polonium halos???
Is it the same rock that's on the north side of the 10 freeway around Big Bear and Mt San Gorgonio? I live in Southern Calif and love learning about the Geology and I also hike these mountains as well as the entire Sierra Nevada Range.
Yes, these rocks are very similar to those and are formed at about the same time.
Cool, i love to hike Mt San Jacinto. Do you think its possible to find hornblend nephrite up there? Also love the Smith River. That was a good video too.
Is Joshua tree monzonite granite absent of the kphelspar too??
It's been almost 20 years since I've seen those rocks at Joshua Tree. Monzonites are usually quartz-poor (less than 5% of the rock) but have abundant plagioclase and potassium feldspar. I definitely recall the abundant feldspar phenocrysts but my memory is that those are plagioclase dominated (sodium-rich variety) with K-spars occurring in the groundmass, but I could be wrong. It's just been so long ago.
Thank you for the outstanding Geology lesson.......................... 418 like .........
Thank you!
Mudfossil University! Behold😮! How long will you stand behind traditions?
I took the rock type for granite...
What about finding gold on that mountain is it possible
It’s possible. Gold has been found in the area but better gold prospects can be found in the Mojave Desert to the east of there.
@EarthandSpaceSciencesX sounds groovy
How does a perfectly igneous smooth grain of sand fall off a rock
*Let the Sunshine In.*
Where was that volcano when it was active. Because it is west of the San Andreas it could have been in or much nearer to Mexico then. I like to know where things were when they formed because I have learned that the geography of the planet was vastly different when major events happened. The hot spot under Yellowstone was in Nevada. The only dinosaur fossil found in Washington was on an island that was part of Mexico when the T-Rex died. They usually use images of how the planet looks now rather than what it looked like during an era. Confusing.
Awesome content. Camping here soon. Hope the mountain doesn't turn into an active volcano! Lol jk cheers
I love camping there. Enjoy that experience! Breathtaking views on the hikes.
You're welcome that was very interesting how big was a rock you look like what I could see is like a 7 ft square I've been higher so what do you need God bless you good video ✝️✡️🌹🐻💖🐼🦩🐦💚💙
Town you explain the creation of the igneous rocks .. They contain polonium halos !! They did not come from a volcano !!
Big Rock Candy Mountain.
I haven't heard of dark plagioclase. They are characteristically white or gray in colour. Secondly, the type of plagioclase in basalts should be anorthite, not albite.
I reviewed your comment and think I know why you misunderstood me here. What I said was: “sometimes plagioclase can be pretty dark like what you would see in a basalt, so these (these being those minerals that I’m looking at in the video) are albitic plagioclases.” The word “albite” comes from the latin “albus” which means “white” so I was attempting to compare the dark-colored plagioclase aka anorthitic plagioclase (which is typically gray) with the albitic ones we see in the video. I tend to blend colloquialisms with more formal terminology in order not to lose people who have a beginner level of familiarity with the topic. Hope this explains things.
@@EarthandSpaceSciencesX Thanks for the clarification. I see that I have completely misunderstood what you refer to in the video because your intonation in the sentence somehow escaped my notice and I thought you referred to feldspar types in basalt by “albitic”. Now everything is crystal clear.
You lost me at 100million. 😂