Volcanic evolution of the Pacific Northwest: 55 million year history
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- Опубліковано 14 сер 2017
- OSU/IRIS Collaboration--Pacific Northwest Earth-science series.
Tectonics of the Pacific Northest yield a varied volcanic history. The Pacific Northwest boasts an active volcanic arc (Cascades Range), a nearby ocean ridge (Pacific Plate-Juan de Fuca Plate spreading ridge), the world’s youngest flood basalt province (Columbia River Basalt), a hot-spot chain of eastward-younging volcanoes (Yellowstone Trend), volcanism related to continental extension, and more. It is a volcanological wonderland. The western margin of North America has long been dominated by subduction and dextral transtension. This animation attempts to simplify a complex tectonic interaction through cross sections.
This animation was created to accompany a Plenary talk at the 2017 IAVCEI meeting in Portland, OR.
Written and directed by Anita Grunder, Oregon State University
Graphics, animation, & narration by Jenda Johnson,Earth Sciences Animated
Reviewed by Ray Wells, U.S. Geological Survey - Наука та технологія
Thank You for putting this up' I was watching Nick Z. today. He placed your video on his broadcast.
And thanks to Nick Z. I probably understood about only 20%, oh my :o(
Ditto. He’s a big fan
There was a lot of information jammed into a 5 minute video. I'll need to watch/pause at least 20 times to absorb it all. I appreciate getting so much information in one place, so it'll be worth the extra effort. :)
Ikr? So much to take in.
SOOOOOO helpful though to see it diagrammed, especially since I struggle with visualizing certain things in my head.
So cool to watch this as I've just been watching the Nick Zentner geology series.. thank you algorithms for connecting us. Thanks to Professor Nick for the super heads up to understand this. I feel involved. Thank you.
I guess Im asking the wrong place but does someone know of a method to log back into an instagram account..?
I was dumb forgot the password. I appreciate any help you can give me
@Harold Uriah instablaster ;)
@Colten Atlas thanks for your reply. I got to the site through google and I'm in the hacking process now.
I see it takes a while so I will get back to you later when my account password hopefully is recovered.
@Colten Atlas It did the trick and I now got access to my account again. I am so happy!
Thank you so much, you really help me out !
@Harold Uriah no problem :)
Love this video, awesome! As a lover of both Yellowstone and the Pacific NW, I am fascinated to see these geological connections so beautifully explained and demonstrated in this video. Until just recently, it had not occurred to me that the pivot point shown in this video was an actual thing - and then this video that explains the theory and puts it into clear perspective and context. Big thank you! Sharing wherever I can.
Now I know and understand more about the evolution of Pacific Northwest than I do about the place I live (haven't found such good animations about the evolution of Central Europe yet) 🙂 Thank You.
Also here from Ned Zinger. This is a great summary and you've packed in a lot in 5 mins. Nick's new Geology 351 in spring 2021 puts a new spin on some of this regarding oceanic plates but it looks like you include the Baja-BC movement north.
LOL, I call him Ned Zinger, too. Esp when he talks about John Stockton's house.
I'm so impressed! This is exactly what i've been looking for for along time. I'm working on an epic poetry of NW geology book to go with paintings! I'm going to be watching and rewatching these! Thanks for all your work!
Excellent video. It consolidates the progression into one video that I've seen stretched out in a multitude of videos.
Fantastic presentation 👏👏👏👏I learned more in 5min then my Geology class 😁
U shoud look for ted-ed videos
Now I’m gonna read that book on the shelf. Thanks OSU
Great video! Really appreciate the explanation. I’m fascinated with the CSZ and Cascade Mountain Range. Again, thank you! 🙏🏼
Thank you. Great visuals! Will definitely use this in my college-level intro geology courses here in Oregon.
Well it's done then after watching a number of your great educational videos ....IRIS you've renewed my life long dream of becoming a real geologist. Thank you sooo much for helping me map out a future for myself and showing the cool side of geosciences!
Great!!! Do it! There is nothing like combining the great outdoors, the scientific method, and detective work. Plus, your enthusiasm inspires us.
Go for it! Getting my geology degree now (41 yrs old) and love it!
I'm 66 yrs old and my love for geology has intrigued me since age 8 when I found a very cool rock, orange & yellow slag glass I was told was from Mars, LoL.
But life took me in various directions until mid-90s and I made the decision to work towards a degree in geology. During my attending geology studies, we traveled to Europe and instead of souvenirs and trinkets, I brought home a 49 lb suitcase full of rocks (Various rocks as well as pieces of granite from the Matterhorn in Zermatt) to share with classmates.
US Customs agents in LAX airport pulled me into a private room and questioned my sanity upon our arriving back in the US. But when my husband explained that I was a Jr Geologist, they rolled their eyes then let us go...wow! You'd think I was a drug runner coming from the UK. My teacher and fellow classmates helped empty my suitcase filled with rocks and I was thankful I hadn't taken the entire amount of rocks to school that day! Geologist tends to collect rocks and love maps as well.
Halfway thru my geology degree, a drunk driver changed everything and my injuries forced me to drop out of college BUT, with the internet and my continued love for earth sciences, living in the PacNW (over the edges of Boring, OR, near Mt Hood) and the information one can glean from the internet, I'm learning more fun stuff than my aging brain can retain....
I'm hooked on Nick Zentner, CWU geology professor who makes geology come to life with his captivating PBS and UA-cam videos.
So between studying geology online, learning music/piano and gaining knowledge from awesome geology professors, I'm still undecided what I want to focus on and maybe JUST MAYBE, one of these days, when I grow up, I'll be able to play geological time bomb music...Trembling & Shakin all over Chicken dance! LoL
My advice is this...no matter what your age, education, economic situation, you will NEVER regret learning about planet earth and geology/volcanology!
You may regret hearing me play my 6 ft Grand piano here on my UA-cam channel! LoL But seriously, put down the TV remotes, video games aside
check out NicK Zentner....don't waste your time....you do NOT have 600 friends who care about you in spite of what your " Facebook friend" count is!
You will NEVER learn anything of value from social media except how to a few DIY money saving tips and latest info re the Grand Solar Minimum (our solar cycle changing things on planet earth)...WOW, we're in for frozen times ahead if the historical records tell our future accurately and prove that Global warming is the worst pack of lies ever! Only God knows!
...and if you happen to click on a "Dark Wizard fear mongering Niburu, Flat Earther-Jesus freaks" website, PLEASE hit the back button before you're hypnotized!
Link to "Chicken Dance" played on my piano ua-cam.com/video/82xsT0XL7Js/v-deo.html
Alexander Sarojz ,
A person needs a purpose for being. When you enjoy your work, it ceases to be work and becomes a source of satisfaction and pride. And in the field of geology, there is a chance of becoming a true rock star.
Look for ted-ed videos
Excellent vid, always been interested in this stuff!!!!!!
This video is awesome and puts everything in perspective for me after seeing hours and hours of videos. I guess I was typing the wrong words in on UA-cam and thought I've seen all that one could see about the Cascadia Subduction Zone. Well that's what I was typing in and your video never showed. Thankyou!
Thank you for this video. This really helps with understanding all the forces and the time line and how they interact.
There's nothing more certain than the fact that this is an ACTIVE segment of the NA Plate and that while there's a symmetry to its construction the fact is there's a lotta shit goin' on all at once over this period. There are so many processes to absorb in this video it's difficult to get my brain around all of them happening simultaneously. Like a complex kabuki dance or ballet. The bonus is that this is all happening beneath us right now, in real time, and we're watching it play out as we speak. The subduction and crustal block shifts in geological terms is happening VERY swiftly, and it has really captured my interest in where I live because I'm right on top of it and taking this geological thrill ride with about 7 million other people.
love it! Thanks for your efforts.
You are welcome. Thanks for commenting!
What a great video. I've watched it over and over. I'm still mystified why there is a pivot point and what caused it. There's so much going on! Hopefully someone will figure it all out one of these days. Thanks you for this video (and all of your videos). They are marvelous!
I love the educational videos you guys put out. I have learned so much real Earth science and have helped me gather outstanding information for me to use on my UA-cam channel. Thank you so much
Thank you!
Excellent video. Thank you.
Thank you for commenting!
excellent work, thank you
That was incredible,( actually very credible) well done ,thank you!
Great vid!
wow, this really explains it so well! so far.
Very good, informative .
Thank you for this
Fascinating subject
I base quite a lot of my camping trips to see these places
John Day area is terrific
I wish I could learn more about 2:45 and "westward migration of silicic volcanism across SE Oregon"
(this is what formed the fire opal at my mine)
Thank you
Let's hear it for the stalwart Canadian mountains!
Good video
Much of the vocabulary is out of my current range, though I live in Portland and have been fascinated with our Volcanic history for 50 years and have watched lots of videos and been to most of the sites you mention. Thank you.
I agree. The vocabulary was so jargon-laced as to be unintelligible to all but the most well-versed experts in the field. I would have no idea what was being said without the animations and some prior knowledge of the geology of the Pacific Northwest.
It also needs to be pointed out that vulcanism and tectonic plate movements are only half the story of Pacific Northwest geology. The landscape was also extensively modified by erosions and deposits of some of the largest end-of-ice-age floods known to man.
I liked very much.
Guided here by the YT algorithms via Nick Z.
"Dammit, JIm, I'm a musician, not a geologist!" (Clumsy Star Trek reference) and have only seen this one video on your neat channel.
I didn't see the "Baja BC" hypothesis. As an amateur, did I miss it? Does that figure into your theories?
Thanks!
Nice video, and very informative. You use real facts and data to show us what IS happening, not what they think is happening; without any facts. Keep doing this fine work. Check out the Charleston, SC quake zone.
I'm not certain a video such as this could be done to discuss quakes in the SE US. It's an interesting topic to be sure!
Especially here in the US, we live in such geologically quiet times. I have had to learn to read the violent past that can be seen everywhere around us ...
Wow that's some complicated Geology happening there. Was the Hot Spot actually moving or the Plate?
The plate slides over the hot spot. The same happens in the Pacific Ocean. You can trace a whole series of sea mounts going West Northwest from Hawaii. The sea mounts are eroded islands that drift with the ocean plate.
Hello from future brazilian geologists
The more ypu learn, you begin to realize or reaffirm the already known fact of how very little you actually know. In recent years, with Hubble and other advances in astronomy equipment we are getting a much better grasp of how vast the universe actually is, then you catch a clip of geography like this and try to imagine what has taken place in the last 55 million years in the great northwest and the 4.5 billion years before that to form and shape this little speck of dust that is our home and yeah, i feel kind of small and humbled. ( in a very good way)
I think you will find that the Crooked River caldera is tied to the Yellowstone hot spot. 29.5 million years ago.
Why is there no mention of a hot spot under Oregon?
It's the same that now resides under Wyoming. The Yellow Stone Hotspot.
Excellent video presentation but I am no geologist or college student of such. Please do this again but in simple layman's terminology. Thanks.
that's some serious crazy shit
Well stated, sir. At lleast i could understand that, thank you...
Can you please explain the creation of the Siskiyou Mountain range along the border of Oregon and California? From what I've been told they are the only mountain range in the continental US to run east to west and not north to south. Further evidence has been made to state that they are an Island chain similar to the Hawaiian Islands. And perhaps made from continental drifting?
Wow, nice. The Siletzia gave USA more land.
No mention that Siletzia was created by the Yellowstone hotspot? I learned that from Ned Zinger (aka Nick Zentner). To think the gorgeous Olympic Mountains of Washington State were formed from what's under Yellowstone today just tickles me to death!
Half think Yellowstone made Siletzia half don't. Siletzia ended up far north mid ocean but Vancouver but Yellowstone wouldn't been off of San Fran Bay, so it's hard to see HOW things moved so far. Most experts don't want to assume hotspots meander that would put in doubt a lot. Easiest answer is Y did burp Siletzia off San Fran then weirdly ocean mini plate quickly shifted northward to carry it 1000 miles north til it hanged a right to it. Nick likes to be on edge of field so tenth of stuff he says later is shown wrong, it's fun!
This question keeps recurring to me:
Is the Yellowstone Hot Spot a fixed distance from the Juan de Fuca subduction zone?
And if so, will the subduction of the Juan de Fuca plate kill the YHS?
I think Yellowstone HS is FIXED down at core, N America is drifting west so HS seems to move east, and Juan De Fuca ocean plate thingies but weird chance is drifting west FASTER than N America drifts west so it'll be around long time. Nick Zentner once said this though he couldn't quite believe it, Juan De Fuca seems so small it's weird to think it'll outlast but ocean plate spreading mid ocean do weird things due to deep magma currents and clearly Juan is growing faster in West...
👍
I don't understand why the Farallon Plate generates a hot spot if the plate extends laterally. Shouldn't it generate an arc similar to the Cascades? Why is there preferential melting to generate a hot spot?
I told you mom died in real life and Ty and I are really sick! Lylas born.... what's left of my normality, Eric
Sorry in real life I'm legally bound to IRIS to report on mom's bloodline... normal Eric
very educational but not all of the terminology is obvious to a non-professional. What is rhyolitic basalt?
But some internet guy told me it was aliens, giants & comets!?
the video image is too poor, you need to fix it more
What if the Cascadia Quake and the San Andreas Quake happen at the same time?
There's some paleo-seismic evidence that that has happned in the past, though not necessarily simultaneously but at least within 40 or so years of each other -- offering up the hypothesis that on several occasions one has been a trigger for the other. The triple junction is so complex that it would be hard to nail that idea down with certainty, but it makes for interesting theory.
Yeah and how bout them Mets, ehhh..
If the Farallon Plate sub ducts nearly flat under the North American Plate, would that mean that the Farallon Plate still exists but now just underneath the America's? How about a map of where that might be, say, under Colorado or Nevada? Just curious. Thanks for this video post
Leslie Propheter under Idaho...
@@macking104 What we see now is just the tip of the giant lightning bolt. The original version is deep under the N American Plate, probably reaches down to S California
Yes, they have 'imaged' it hanging under the North American Craton.
www.princeton.edu/~artofsci/2009/one.php%3Fid=1100.html
@@swirvinbirds1971 Ohh baby! Much appreciation
@@lesliepropheter5040 welcome. Pretty cool huh? 👍
The Juan De Fuca Plate is the smallest plate on earth, very small.
I thought the Cascadia subduction zone was on land
It can be confusing. The "Subduction Zone" includes the area above the contact between the Juan de Fuca Plate and the overlying North American Plate. So it is the region from the offshore plate boundary on the west, and to the east includes the Cascade Mountain Range, which is there because of the subducting plate.
Juan de Few-cah, not Juan de Fooooo-cah
I asked you, who are they, I'm too screwed up to make sence! Mom and her blodline...
It's too short and dose not look at the whole global balance and counterbalance is there more is that it ???
FARALLON PLATE DETECTED!!!
Why do maps of California from the 1600's made by spanish cartographers show that there was an island of immense length which was west of the conterminous land of California?
I would think they were looking at Baja CA.
Cartographers of the time thought California was an island instead of a peninsula.
Could you point me to records recorded by an early expeditionary journalist source regarding this view, Oscar?
@@oscarmedina1303 Could you point me to records recorded by an early expeditionary journalist source regarding this view, Oscar?
@@paulsharrow3004 Wikipedia has a pretty good article about it. Do a search for "island of california" and it comes right up.
Why can’t they ever do All of Our Volcanoes? Though we Have way, way, wayy Many. In New Mexico. Yes USA! We are the True Volcano State
Those are old extinct volcanoes. The states in the US with the most active volcanoes is.
#1 Alaska
#2 California
#3 Oregon
#4 Washington
#5 Hawaii
Small datasets have no business beyond the Canadian border. Greets from the colonies!
Boo, us sick and mom dead in real life... what's left of my brain.... Eric
Animated Bull Crap! What a story!
I hat to break it to you, but there's no such thing as plates.
@My Imaginary Invisible Friend
ua-cam.com/video/yrKw5Xq5UQ4/v-deo.html
@My Imaginary Invisible Friend
It wasn't formed, it was without form and void. The god moved over the face of it, but you weren't there cuz you thought you could separate yourself from him and went inside and shut the door behind you.
I will tell you this though. The sun doesn't consume hydrogen, that's absurd. It only exhumes light so it probably consumes darkness. The earth absorbs and stores light. It also used to produce a lot mor hydrogen and O3 oxygen. Rocks are mostly oxygen. Ores turn into oxygen in the presence of hydrogen but the are further refined into gold in the presence of light. My best guess is there is an unfathomable amount of gold either in the center of the sun or both the sun and the earth that has all the commands necessary for h2o to maintain the cycles of life (light)[entropy].
You still get the gold star for effort though!
Another thing: we don't burn oxygen, we burn carbohydrates and turn them into carbondioxide. Trees oxidize the carbondioxide and become carbon (diamond). Die am on vs i are on (iron)[gold]. Yet we are described as having a heart of stone or a heart of flesh, and will be refined as gold.
Baloney, all of it.
Got bread?
Still incorrect, someday someone besides me will see it. I hate writing papers, and you people are making me feel like my hand is to be forced. Worst part is that the research is already done for it to be proven easily. Someone should have seen it already. Described over millions of years, it's easy to show that its possible to have a lot of this happen over a short time. The strata stays the same. But disposition of terrain is still describe poorly. Especially magic land popping up to complete the current Pangaea delusion. 1. Add to the earth mass 2. Factor water
3. Solve Moons relationship to the Earth and why it has a fixed orbit.
Doing this results in a much shorter time frame for geological and human history. The Earths current state is Globular/hydro-gravitational relative dissipation of universal energy constants, governed by a chaos dependant model that unless stimulated, The organism either spins slowly to a stop, or eats itself trying to stay spinning. Every system in the universe is based on this. Expansion can best be described as energy traveling along a flat plane until the mass equalizes across a distance equal to 1after1after1after1after1after1after1after1after1after1after1before1after0 and then you have nothing. The energy/mass/elements/atoms have now become common states again, its most basic form. And that is why the Galaxy has a blank spot, common state......no chaos. Still funny the scientist reaching the conclusion of God, even though he keeps trying not to. No chaos means control. Now I have other questions.
Oh good Lord... 😆
Just a tip. The Moons orbit is NOT fixed. Maybe you should start there?
So it's the ol' Globular/hydro-gravitational relative dissipation of universal energy constant state. I can't believe I didn't see that. I was so close!
@@swirvinbirds1971 the moon doesn't orbit anything.
@@JPREEDY77 😆 it orbits the Earth every 27.332 days.
And what I mean by it's not fixed is it gets further away from the earth at about 3.8 centimeters per year.
@@swirvinbirds1971 They can call it an "orbit" but it CANNOT be when it is 1/3 of a system that is based on energy. NOT GRAVITY. Orbits are gravitationally driven. The Moon is slipping out of the magnetic lock that held it/slowed the energy release. The moon will hurl into space and eventually........the Earth will be struck by asteroid or comet and with no moon, we die. Good luck
Out of date.
Entirely useless, now.
Can you explain your reasoning?
IRIS Earthquake Science
It is the view of the forces acting in this modelled order that suggests the subduction isn't the entire west coast going under, and putting stress on yellowstone, the geysers volcanic field, mammoth, Rainer, ect.
Not clear on what you are saying. Subduction is just one of several forces acting on the western margin of the US. Subduction drives volcanism in the overlying plate- in this case the Cascades Volcanoes. Basin-range extension and northwestward motion of the Pacific Plate are also important drivers, resulting in extensional faulting and in right-lateral faulting. Regarding Yellowstone, a recent study suggests that instead of a plume of hot mantle that extends down to Earth’s core as was once thought, the real culprit may be this subducting tectonic plate that began sinking beneath North America hundreds of millions of years ago, agitating the hot mantle rock. But this is a debate that will continue.
IRIS Earthquake Science your video showing snapshots of an ever complex series of events is still relevant as ever. It’s given me the picture that I needed even far south in the western Mojave basin and ranges area. The grabens to the east are now explained. Useless as this guy says?? Hardly, outdated? Never.
Your vids align and explain where my research; Hulin/Hess/Morton/Troxell in my local Quadrangles drop off and now I can make an overall complete picture... leading me to my plio/Pleistocene non-marine/non-lacustrine metaseduments I need. so thank you. I’m not a geologist but you have educated me to higher levels.