Nick continues to introduce wonderful geologists to us thank you so much Nick. These presentations are so much easier for the public to access than the scientific papers. Thanks Nick and Stacia! This format is great.
The live guests allow me to feel like I am eavesdropping on some scientists chatting at a party about what they really are thinking about but have not published. It's great in that it is so informal and more user friendly than the papers.
I feel so spoiled that you consistently bring us such engaging and often entertaining lectures. To have expert guest speakers on as well is just the icing on the cake. I really like how you can break it down for casual enthusiasts like myself. Geology has nothing to do with what I do for a living yet these lectures are such a nice break from that and probably too often I nerd out teaching others about some geology thing I learned from your lessons. Thanks for all the love, humor and knowledge that you provide. It has changed my life for the better.
Late to the party, Illinois had ice-sleet-snow last night. I'm only 74 and many of my neighbors are 80 or over, so I've been helping neighbors all day. Snow comes before Rocks today!! Thanks Nick and Stacia! I told Noraly (Itchy Boots) she can be glad she took the boats. I know a guy who went through the Darin gap, took him 2 weeks to go 20 miles. And another 2 weeks of antibiotics to over come the swelling he received from bites he received.
Itchy Boots, Noraly has walked Darin Gap about 10 years ago. When she was back packing studying Live Geology then & now. Crossing the border into PANAMA 🇵🇦 past the Darien Gap |S6-E27| Smiling Every Day doing live video & geology. ua-cam.com/video/qZSJwEIx0uY/v-deo.html
Watched this episode for the second time. Wow, it’s really a pleasure to listen to Stacia explain things!! She’s a great teacher. I do appreciate being able to watch all these geologists talk about northwest geology. Thank you Nick and Stacia!!!
It is so relaxing watching this in replay after the last 2 days flood drama. The power tripped in the building I live in just before 4 am due to a sudden wall of water coming from upstream, greater than a 1 in 100 year flood events and I spend all day knee deep in water moving sewing machines, electronics and books out of the way of rising waters. I moved the main computer equipment to a large shed which still has power and I can make coffee, cook, wash clothes and most importantly use the internet there. My neighbour who does not have power keeps his large fridge in the blue shed and pays something towards the power so I put essential items in his fridge. Fortunately there is a large bathroom in the blue shed so I can shower, that is after I got the pump working again as it had tripped off due to being submerged in muddy water, taking a power circuit with it. I have some precious things that need to dry out slowly. I am much more fortunate than most in the area. The area of Bungawalbin is still cut off and emergency service helicopters are flying overhead checking on people, and a woman in her 80's drowned in her home in Lismore, scene of dramatic rescues and emergency evacuation of 15,000 distressed people (and their pets) at no notice. Later when I get a better house built, it will be above the 1000 year flood level. The neighbours told me how high that is, so I know the ideal place. My cats and chickens and the cattle are distressed but we all made it through. The cats seem to be asking me what happened. Your channel which breaks down highly complex topics to an intellectually digestable level for people who do not have PHD's in geology and is a great relief, particularly when nature decides to deposit some more sediment in a basin and enrich a floodplain more.
Thank you for the great A to Z. I am impressed with the guests you are able to get, and I love the format. There are so many areas of innovation that could do this format if they could find the right person. But I've never seen it. You've earned the Carly Simon lyric: Nobody does it better - Makes me feel sad for the rest - Nobody does it half as good as you - Baby, you're the best.............
I just watch this one again and Stacia is absolutely delightfully fascinating. (Maybe she would return as a virtual pop-up during our 'time off?') That you understand these complicated convoluted findings blows my mind. Thank you!! It is all so energizing!! 👏❤🤟
I think your guests enjoy being on as much as we enjoy it. Having guests has become a highlight. There certainly doesn’t seem to be a lack of enthusiasm. You seem to have found a good combination.
Nick... I have enjoyed your classes for many yrs. You have introduced Randy Lewis and all the geologists to us and my life is richer for it. I hope Randy is feeling better. Thank you for taking the time to teach us. Jan... Cleveland Ohio
Another great episode. With the advent of your "guest" episodes, I find myself viewing and re-viewing each session in order to absorb the information. Thank you, Nick, and thank you, guests.
Couldn’t make the live stream but loved the replay. When I was in school I thought petrology, mineralogy and structural geology were different subjects because they were different classes but your guest proved they are all one field of study. Thank you both for a wonderful session.
Thank you Dr. Zintner for sharing this fascinating subject with us. I live in Portland PDX and at the age of 75. I still love learning. Thank you again Sir.
Seeing all the wonderful brilliant female geologists on the show reminds us all of how far women have come to have equal opportunity in fields as diverse as astronomy, geology, music and many other fields. Felix Mendelson's talented sister Fanny was told she could not be a professional musician because she was female. Mozart's talented sister was married of against her will to get her out of the scene because she wanted to have a public career in music and also to marry her true love (a different person than the one she was made to marry). The woman who researched Ammonite fossils in England was not credited with her work for a long time because she was female. Now woman can rise to the top in many fields, including some Moslem women geologists in Indonesia, Saudi Arabia and Iran. Your show helps to make this all happen.
Mankind loses a massive amount of valuable knowledge and wisdom by failing to empower Womankind. The well documented most effective way to raise a society out of poverty is to educate and empower women. I am very grateful to have been born and lived in two countries where I could choose my profession, but even so when entering Medical School in London, UK in the mid-sixties, only 10-15% of the admissions were women. Significant improvements have been made over the past 50+ years, but "equal opportunity" for women does not exist today, even in the UK, Canada and US. Women still have to fight for ever inch of progress.
Nick, I love your “Clown Show” but I agree that the guests that you bring on add another level of new scientific knowledge and expertise, while maintaining the level of clear communication that is the hallmark of your presentations and conversations with us! We love learning with and from you!
It is a special gift from God to have a teacher who is accessible, who enjoys teaching, who loves and continues to learn about the subject and shares that lifelong quest for knowledge with students, and who is able to share the enthusiasm with fellow thinkers with peers for his own elucidation and that of his students. It all takes an incredible amount of energy and forethought!
@@nirv "Perhaps you should make His acquaintance to find out what is going on between your legs." If talking about a sewage system next to an entertainment complex think of what goe on in many entertainment complexes: lots of eating and drinking and discharge of same. 🤮🤢🥶🥵🥳
Wow! thank you Stacia Gordon, that was just fascinating. I am always surprised that I can somewhat keep up and grasp the main ideas. I am one of the listeners that has to do these classes more than once. finding myself wishing I could go rock hunting again. like I did as a kid, but not just for the color when they are wet, but actually know the names of them and how they were created. I think more geology needs to be taught in the lower grades and up.
100km up in 3 million years! That's bonkers and mind blowing! What a great guest! (3 exclamation points in 3 sentences? Must have been a great show!) !!!
Wow .... Truly enjoyed the tie to geochemistry and the "elevator speed". Norway ... height growth that you can almost see year over year. Great session and thank you
I had three goes at watching the start of this session, not overly impressed, but I persevered until Stacia appeared and what a treat! Of all the guests you have had Stacia has stood out as an absolute expert and teacher. I feel that I understood all of the concepts she described. Probably delusional but I’m impressed.
It’s been more than a few months since I watched. I have to say it…that was a slick production. To see you handle all that gear, while providing a wonderfully informative piece, is just inspiring. Great work. I’m sure someone has pointed out by now, or maybe you’ve thought of it yourself. But I see Les Nessman on location in my head when you put on your headphones! Remember those field pieces on WKRP?
Thanks for pointing to the New Guinea area that is on the margin of the Australian (my old and stable home) and Pacific plates. The area also has a complex area of small plates that must have triple junctions you have talked about. Being in an active area on the Pacific rim it must also mirror some of the geology in your area.
It just keeps getting better with every episode, I’ve really enjoyed the A-Z. Thank you professor Nick and all your guests for the time and effort y’all put into this stuff, much appreciated
When my boys were young we went on a camping trip to the loop highway. We were driving at night and saw a spot in the road that looked like a tail light had been broken. We had been finding garnets so we stopped to look. It was a bunch of garnets of various sizes. We collected a pill bottle full.
Nick, maybe I could fetch some specific request rocks for Stacia. As a mountain climber I find myself collecting rocks from the tops of mountains ( not in national parks of course) anyhow if she has particular summits in mind.
Scientific Research permits allow only scientific collection. Lots of paper work, but can be done if written permission into grants with lots of conditions. Just have to make the correct connections with proper permits.
NICK, another food analog. CHEESE~! Consider how cold crustal material is a lot like a slab of cheese, say cheddar. Push it from the sides and it crumbles and pull it apart it fractures. Yet warm cheese, not melted yet, deforms under these pressure regimes in much more plastic ways like the middle crust. Consider then various layers , maybe colby and swiss or monterey jack, vary the thicknesses and heat them slowly from below, then put pressure on and see what happens. Enjoy eating the results. I love Geology~!
@NICK ZENTER ; GEE-WHILIKERS ! Get up this morning to start watching this AWESOME SESSION in replay AGAIN ! A DEFINITIVE MUST, SO MANY DETAILS. Might shed light on a recent trip taken on the PENDER ISLAND FERRY - Nick's Stepping Back Technique from on the ferry. note- will try to do a post on the FB SITE. ( EXHUMATION & UPLIFT = Galiano Island and others to the north. ) But, upon viewing my screen, what a coincidence. Exotic R - Skagit Gneiss & Napeequa Schist is playing. RAISED AN IMEDIATE QUESTION ; WONDERING HOW MANY PERSONAL QUESTIONS THAT YOU HAVE HAD ( FROM THIS TIME PERIOD ) ANSWERED IN THIS NEWEST SESSION ??? Along with Questions still needing answers ??
Time Stamps: 00:00 Video Start 11:08 Lecture Start 14:52 Skagit Gneiss Used to be Plutonic Rocks 18:09 Boulder Batholith 9km Uplift 22:59 How old was the plutonic material that made the Skagit Gneiss? 24:00 North Cascade - Crustal Thickness 25:48 Schedule and Eocene Papers 28:04 Dream Team Photos and Videos 35:09 How do we know the original depth and pressure of the Skagit Gneiss? 37:17 Washington Strike Slip Faults 39:38 Crystalline Core Blocks 40:47 Straight Creek Fault Restoration 45:15 Stacia Gordon 49:04 Skagit Gneiss Locations 51:36 Previous Research 53:10 Skagit Gneiss Pressure and Depth Indicators 58:16 Garnets 01:02:54 Zircon Age Dating 01:05:26 Field Photos 01:11:51 Cordierite Shows Fast Exhumation 01:16:25 Other Age Dating Methods 01:18:53 Crystalline Core and Sedimentary Basins 01:21:25 Upper Crust vs Deeper Crust Deformation 01:23:27 Other Core Complexes 01:26:01 Q&A 01:46:15 Next Session Preview 01:51:24 Roadside Geology of Washington 01:56:21 Toast and Goodbye
Sorry Stacia let the cat out of the bag. CAT OUT OF THE BAG? That's who you need as a special guest for episode Z. And, of course, if Bijou were present, he would most certainly preside!
near isothermal decompression and hydrous minerals releasing water... so when a magma chamber decompresses is this something that can happen to increase the volume of melted material and effect a volcanic system? possibly increase eruptive strength or increase amount of magma and size of remaining magma chamber? does the decompression of a magma conduit sometimes then melt surrounding rock and widen the conduit?
My cut 'n pasted question from the chat was: DO THE OPPOSING STRIKE-SLIP SIDES HAVE DIFFERENT H2O CONTENTS AT THEIR RESPECTIVE PIERCING POINTS? I was referring to super-heated steam hydraulically moving Terranes above vertically and/or horizontally; it could only occur if there are variables in concentration and area.
1:50 No sir, the Methow is fault-bounded to its west by the Ross Lake Fault Zone. It may very well be a back arc, but back arc to what? To the ancestral Cascades (and the Cascade Root slab)? I doubt it. The terrane to the west of the RLFZ is probably Insular whist the Methow is arguably Intermountain. Anybody wanna guess how far south the North Cascades Crystalline Core has travelled north to its current location?
February 2, 2022 Happy Ground Hog's Day. Happy Birthday Grandma Karp, RN. RIP. I preferred to hunt Whistle Pigs debris piles for digging rocks all kinds of things. Back to Geology. Where are strike slip fault lines identifying Left & Right Slippage in Same Direction at Different Rates. Especially, Strike Slip Parallel Faults! Areas could be difficult to understand, when series is moving together at different rates & uplifts. Add Thrust Faults & Basins with Extreme Erosion.... When you cut map into multiple pieces, it could be demonstrated like Siletzia moving north, flexible cut off of previous sessions. In Eocene, North West Faults Formation in Western North American are series of Parallel Strike Slip Faults Moving in Rotation at Different Rates. Complicated & Simple at Same Time. Explains NW Rotation, if you use Strike Slip Faults Moving Same Direction at Different Rates.
Nick, I was asking about the passage at the end of the session that you read from the Roadside Geology book when I asked about exhumation and erosion. The passage reads " .....obviously exhumed and brought to the surface by the removal of rocks originally above them, the uplift and exhumation of the core was remarkably rapid......" Does that not imply that erosion was the cause of the uplift and exhumation?
On re-watching, Stacia guesstimates 30 Ma and 8My 30Km uplift for the Skagit Gneiss, Doesn't that bring it into the CRB timeframe, 22Ma? Isn't that also the timeframe for the SAF to begin to form? Where was the spreading ridge for the Resurrection Plate then?
Nick continues to introduce wonderful geologists to us thank you so much Nick. These presentations are so much easier for the public to access than the scientific papers. Thanks Nick and Stacia! This format is great.
Sorry Nick. Snowmobiling in the winter calls. I will have to watch this another day. Thanks for teaching me
What a wonderful lesson! It made it all come alive for me at 73!
The live guests allow me to feel like I am eavesdropping on some scientists chatting at a party about what they really are thinking about but have not published. It's great in that it is so informal and more user friendly than the papers.
I feel so spoiled that you consistently bring us such engaging and often entertaining lectures. To have expert guest speakers on as well is just the icing on the cake. I really like how you can break it down for casual enthusiasts like myself.
Geology has nothing to do with what I do for a living yet these lectures are such a nice break from that and probably too often I nerd out teaching others about some geology thing I learned from your lessons.
Thanks for all the love, humor and knowledge that you provide. It has changed my life for the better.
Late to the party, Illinois had ice-sleet-snow last night. I'm only 74 and many of my neighbors are 80 or over, so I've been helping neighbors all day. Snow comes before Rocks today!!
Thanks Nick and Stacia!
I told Noraly (Itchy Boots) she can be glad she took the boats. I know a guy who went through the Darin gap, took him 2 weeks to go 20 miles. And another 2 weeks of antibiotics to over come the swelling he received from bites he received.
Itchy Boots, Noraly has walked Darin Gap about 10 years ago. When she was back packing studying Live Geology then & now. Crossing the border into PANAMA 🇵🇦 past the Darien Gap |S6-E27| Smiling Every Day doing live video & geology. ua-cam.com/video/qZSJwEIx0uY/v-deo.html
Watched this episode for the second time. Wow, it’s really a pleasure to listen to Stacia explain things!! She’s a great teacher. I do appreciate being able to watch all these geologists talk about northwest geology. Thank you Nick and Stacia!!!
It is so relaxing watching this in replay after the last 2 days flood drama. The power tripped in the building I live in just before 4 am due to a sudden wall of water coming from upstream, greater than a 1 in 100 year flood events and I spend all day knee deep in water moving sewing machines, electronics and books out of the way of rising waters. I moved the main computer equipment to a large shed which still has power and I can make coffee, cook, wash clothes and most importantly use the internet there. My neighbour who does not have power keeps his large fridge in the blue shed and pays something towards the power so I put essential items in his fridge. Fortunately there is a large bathroom in the blue shed so I can shower, that is after I got the pump working again as it had tripped off due to being submerged in muddy water, taking a power circuit with it. I have some precious things that need to dry out slowly. I am much more fortunate than most in the area. The area of Bungawalbin is still cut off and emergency service helicopters are flying overhead checking on people, and a woman in her 80's drowned in her home in Lismore, scene of dramatic rescues and emergency evacuation of 15,000 distressed people (and their pets) at no notice. Later when I get a better house built, it will be above the 1000 year flood level. The neighbours told me how high that is, so I know the ideal place. My cats and chickens and the cattle are distressed but we all made it through. The cats seem to be asking me what happened. Your channel which breaks down highly complex topics to an intellectually digestable level for people who do not have PHD's in geology and is a great relief, particularly when nature decides to deposit some more sediment in a basin and enrich a floodplain more.
Thank you for the great A to Z. I am impressed with the guests you are able to get, and I love the format. There are so many areas of innovation that could do this format if they could find the right person. But I've never seen it. You've earned the Carly Simon lyric: Nobody does it better - Makes me feel sad for the rest - Nobody does it half as good as you - Baby, you're the best.............
Thank you, Scott. Memorable comment.
I just watch this one again and Stacia is absolutely delightfully fascinating. (Maybe she would return as a virtual pop-up during our 'time off?') That you understand these complicated convoluted findings blows my mind. Thank you!! It is all so energizing!! 👏❤🤟
I think your guests enjoy being on as much as we enjoy it. Having guests has become a highlight. There certainly doesn’t seem to be a lack of enthusiasm. You seem to have found a good combination.
Nick... I have enjoyed your classes for many yrs. You have introduced Randy Lewis and all the geologists to us and my life is richer for it. I hope Randy is feeling better.
Thank you for taking the time to teach us.
Jan... Cleveland Ohio
Another great episode. With the advent of your "guest" episodes, I find myself viewing and re-viewing each session in order to absorb the information. Thank you, Nick, and thank you, guests.
Couldn’t make the live stream but loved the replay. When I was in school I thought petrology, mineralogy and structural geology were different subjects because they were different classes but your guest proved they are all one field of study. Thank you both for a wonderful session.
Thank you Dr. Zintner for sharing this fascinating subject with us. I live in Portland PDX and at the age of 75. I still love learning. Thank you again Sir.
Seeing all the wonderful brilliant female geologists on the show reminds us all of how far women have come to have equal opportunity in fields as diverse as astronomy, geology, music and many other fields. Felix Mendelson's talented sister Fanny was told she could not be a professional musician because she was female. Mozart's talented sister was married of against her will to get her out of the scene because she wanted to have a public career in music and also to marry her true love (a different person than the one she was made to marry). The woman who researched Ammonite fossils in England was not credited with her work for a long time because she was female. Now woman can rise to the top in many fields, including some Moslem women geologists in Indonesia, Saudi Arabia and Iran. Your show helps to make this all happen.
Mankind loses a massive amount of valuable knowledge and wisdom by failing to empower Womankind.
The well documented most effective way to raise a society out of poverty is to educate and empower women.
I am very grateful to have been born and lived in two countries where I could choose my profession, but even so when entering Medical School in London, UK in the mid-sixties, only 10-15% of the admissions were women.
Significant improvements have been made over the past 50+ years, but "equal opportunity" for women does not exist today, even in the UK, Canada and US.
Women still have to fight for ever inch of progress.
Nick, I love your “Clown Show” but I agree that the guests that you bring on add another level of new scientific knowledge and expertise, while maintaining the level of clear communication that is the hallmark of your presentations and conversations with us! We love learning with and from you!
It is a special gift from God to have a teacher who is accessible, who enjoys teaching, who loves and continues to learn about the subject and shares that lifelong quest for knowledge with students, and who is able to share the enthusiasm with fellow thinkers with peers for his own elucidation and that of his students. It all takes an incredible amount of energy and forethought!
@@nirv "Perhaps you should make His acquaintance to find out what is going on between your legs." If talking about a sewage system next to an entertainment complex think of what goe on in many entertainment complexes: lots of eating and drinking and discharge of same. 🤮🤢🥶🥵🥳
Enjoying the replay from High up above the San Francisco Bay at the top of the El Cerrito Hill, I'm keeping up.
Wow! thank you Stacia Gordon, that was just fascinating. I am always surprised that I can somewhat keep up and grasp the main ideas. I am one of the listeners that has to do these classes more than once. finding myself wishing I could go rock hunting again. like I did as a kid, but not just for the color when they are wet, but actually know the names of them and how they were created. I think more geology needs to be taught in the lower grades and up.
Another great guest appearance! Thanks!
Your videos were terrific! I really enjoyed seeing all of you in "real time" and listening to your conversations. Wow!!
If you want to see Eocene Fireworks, just put a Geochemist and a Metamorphic Petrologist in the same room. Instant fireworks...
This is a treat even 21 hours late, way way better than stale sourdough.
The dialogue between you and the guests is a nice touch. Thank you for bringing them in!
Truly a mind blowing class. Dr Gordon really got me thinking.
Thank you Nick and Stacia!
100km up in 3 million years! That's bonkers and mind blowing! What a great guest!
(3 exclamation points in 3 sentences? Must have been a great show!) !!!
Better late than never. Great presentation and photos. Part II should be just as good.
Is really a gift to have so many good people giving all the information, are awesome!!! Thanks to all🙏
Wow .... Truly enjoyed the tie to geochemistry and the "elevator speed". Norway ... height growth that you can almost see year over year. Great session and thank you
Wonderful lecture from you and Dr Stacia! Love ya, Nick!
Thank You Professors Stacia, and Nick, for making me aware of, and teaching me about the Crystalline Core.
I had three goes at watching the start of this session, not overly impressed, but I persevered until Stacia appeared and what a treat! Of all the guests you have had Stacia has stood out as an absolute expert and teacher. I feel that I understood all of the concepts she described. Probably delusional but I’m impressed.
Good show
Thank you!
Nick mentions Noraly! Two of my favorite UA-camrs. Glad she made through the Darien Gap. Wha-hoo!!
Another great show.
It’s been more than a few months since I watched. I have to say it…that was a slick production.
To see you handle all that gear, while providing a wonderfully informative piece, is just inspiring. Great work.
I’m sure someone has pointed out by now, or maybe you’ve thought of it yourself. But I see Les Nessman on location in my head when you put on your headphones! Remember those field pieces on WKRP?
The Turkey drop. I’m my head, he had all his equipment on his back. Enjoy!
ua-cam.com/video/BGFtV6-ALoQ/v-deo.html
I know I keep saying this A-Z Keeps getting better and better but it's true And Stacia was OUTSTANDING
Fascinating.
Always such a treat! Thank you for all your efforts Nick, it opens another dimension of the world to us.
Dr. Gordon did the best hook setting of all. Off the cuff.
Thanks for pointing to the New Guinea area that is on the margin of the Australian (my old and stable home) and Pacific plates.
The area also has a complex area of small plates that must have triple junctions you have talked about.
Being in an active area on the Pacific rim it must also mirror some of the geology in your area.
It just keeps getting better with every episode, I’ve really enjoyed the A-Z. Thank you professor Nick and all your guests for the time and effort y’all put into this stuff, much appreciated
When my boys were young we went on a camping trip to the loop highway. We were driving at night and saw a spot in the road that looked like a tail light had been broken. We had been finding garnets so we stopped to look. It was a bunch of garnets of various sizes. We collected a pill bottle full.
Love that you’re watching Itchy Boots too!
Thank you Nick another great program. Love itchy boots. Really enjoy the channel. The two of you quality stuff.
Love him!
I hope Noraly gets to visit Nick on her way north.
Sourdough Mountain has always been on my bucket list if for nothing else but the view into the Picket Range... Now I have another reason. 👍
Nick, maybe I could fetch some specific request rocks for Stacia. As a mountain climber I find myself collecting rocks from the tops of mountains ( not in national parks of course) anyhow if she has particular summits in mind.
Scientific Research permits allow only scientific collection. Lots of paper work, but can be done if written permission into grants with lots of conditions. Just have to make the correct connections with proper permits.
Dr. Gordon could even give you guidance. You could be in touch by video during the climb.
This “Blue Mountain” lady stopped by the bakery and bought you a “downtowner” on my last trip through Ellensburg in mid January. Hope you got it ok.😁
So…..we have a very buoyant metamorphic that just float to the surface during the extension phase of the crazy Eocene?
Thinner the crust, the quicker they rise? Makes sense, when you think about it. Especially, when there is abundance.
NICK, another food analog. CHEESE~! Consider how cold crustal material is a lot like a slab of cheese, say cheddar. Push it from the sides and it crumbles and pull it apart it fractures. Yet warm cheese, not melted yet, deforms under these pressure regimes in much more plastic ways like the middle crust. Consider then various layers , maybe colby and swiss or monterey jack, vary the thicknesses and heat them slowly from below, then put pressure on and see what happens. Enjoy eating the results. I love Geology~!
@NICK ZENTER ; GEE-WHILIKERS ! Get up this morning to start watching this AWESOME SESSION in replay AGAIN ! A DEFINITIVE MUST, SO MANY DETAILS. Might shed light on a recent trip taken on the PENDER ISLAND FERRY - Nick's Stepping Back Technique from on the ferry. note- will try to do a post on the FB SITE. ( EXHUMATION & UPLIFT = Galiano Island and others to the north. ) But, upon viewing my screen, what a coincidence. Exotic R - Skagit Gneiss & Napeequa Schist is playing. RAISED AN IMEDIATE QUESTION ; WONDERING HOW MANY PERSONAL QUESTIONS THAT YOU HAVE HAD ( FROM THIS TIME PERIOD ) ANSWERED IN THIS NEWEST SESSION ??? Along with Questions still needing answers ??
Time Stamps:
00:00 Video Start
11:08 Lecture Start
14:52 Skagit Gneiss Used to be Plutonic Rocks
18:09 Boulder Batholith 9km Uplift
22:59 How old was the plutonic material that made the Skagit Gneiss?
24:00 North Cascade - Crustal Thickness
25:48 Schedule and Eocene Papers
28:04 Dream Team Photos and Videos
35:09 How do we know the original depth and pressure of the Skagit Gneiss?
37:17 Washington Strike Slip Faults
39:38 Crystalline Core Blocks
40:47 Straight Creek Fault Restoration
45:15 Stacia Gordon
49:04 Skagit Gneiss Locations
51:36 Previous Research
53:10 Skagit Gneiss Pressure and Depth Indicators
58:16 Garnets
01:02:54 Zircon Age Dating
01:05:26 Field Photos
01:11:51 Cordierite Shows Fast Exhumation
01:16:25 Other Age Dating Methods
01:18:53 Crystalline Core and Sedimentary Basins
01:21:25 Upper Crust vs Deeper Crust Deformation
01:23:27 Other Core Complexes
01:26:01 Q&A
01:46:15 Next Session Preview
01:51:24 Roadside Geology of Washington
01:56:21 Toast and Goodbye
In most of the photos that were these areas of red or rusty‘s looking spots , can you explain what they are?
12 kilobar, that’s 174,000 psi. Insane!
You should invite Celal Sengor
A Toast to U!
Sorry Stacia let the cat out of the bag. CAT OUT OF THE BAG? That's who you need as a special guest for episode Z. And, of course, if Bijou were present, he would most certainly preside!
We wouldn`t be alive if we didn`t have a warm heart. Sorry. Thanks again everybody.
Does it have anything to do with slab failure from a timing standpoint? Like trying to hold a beach ball under water?
near isothermal decompression and hydrous minerals releasing water... so when a magma chamber decompresses is this something that can happen to increase the volume of melted material and effect a volcanic system? possibly increase eruptive strength or increase amount of magma and size of remaining magma chamber? does the decompression of a magma conduit sometimes then melt surrounding rock and widen the conduit?
The Rockstar
My cut 'n pasted question from the chat was: DO THE OPPOSING STRIKE-SLIP SIDES HAVE DIFFERENT H2O CONTENTS AT THEIR RESPECTIVE PIERCING POINTS?
I was referring to super-heated steam hydraulically moving Terranes above vertically and/or horizontally; it could only occur if there are variables in concentration and area.
1:50 No sir, the Methow is fault-bounded to its west by the Ross Lake Fault Zone. It may very well be a back arc, but back arc to what? To the ancestral Cascades (and the Cascade Root slab)? I doubt it. The terrane to the west of the RLFZ is probably Insular whist the Methow is arguably Intermountain. Anybody wanna guess how far south the North Cascades Crystalline Core has travelled north to its current location?
February 2, 2022 Happy Ground Hog's Day. Happy Birthday Grandma Karp, RN. RIP. I preferred to hunt Whistle Pigs debris piles for digging rocks all kinds of things. Back to Geology. Where are strike slip fault lines identifying Left & Right Slippage in Same Direction at Different Rates. Especially, Strike Slip Parallel Faults!
Areas could be difficult to understand, when series is moving together at different rates & uplifts. Add Thrust Faults & Basins with Extreme Erosion.... When you cut map into multiple pieces, it could be demonstrated like Siletzia moving north, flexible cut off of previous sessions.
In Eocene, North West Faults Formation in Western North American are series of Parallel Strike Slip Faults Moving in Rotation at Different Rates. Complicated & Simple at Same Time. Explains NW Rotation, if you use Strike Slip Faults Moving Same Direction at Different Rates.
Nick, I was asking about the passage at the end of the session that you read from the Roadside Geology book when I asked about exhumation and erosion. The passage reads " .....obviously exhumed and brought to the surface by the removal of rocks originally above them, the uplift and exhumation of the core was remarkably rapid......" Does that not imply that erosion was the cause of the uplift and exhumation?
On re-watching, Stacia guesstimates 30 Ma and 8My 30Km uplift for the Skagit Gneiss, Doesn't that bring it into the CRB timeframe, 22Ma? Isn't that also the timeframe for the SAF to begin to form? Where was the spreading ridge for the Resurrection Plate then?
Wupsi :)
Do not believe whatever Bijou says is under contemplation.