Tectonic Settings- Subduction, Rifting, Mid-Ocean Ridges, Wilson Cycle | GEO GIRL
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- čas přidán 8. 10. 2020
- Interpreting ancient tectonic settings- subduction zones, rift systems, mid-ocean ridge formation, mountain belts, mobile belts, the Wilson cycle, opening and closing ocean basins, geologic tectonic processes (convergent, divergent, transform). How can we recognize these settings in the ancient rock record? Watch this video to find out!
Reference: Investigations in Historical Geology: Lab Manual by Deborah Caskey and Vicki Harder (2014) - Lab 6
redshelf.com/book/51724/inves...
Earth System History: amzn.to/3ospM1k
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Image sources: 1.bp.blogspot.com/_YJtJVrH3c5k...
blogs.egu.eu/geolog/files/201...
simple.wikipedia.org/wiki/Craton
www.911metallurgist.com/blog/...
wps.prenhall.com/wps/media/obj...
www.slideserve.com/miach/the-...
redshelf.com/book/51724/inves...
www.fccj.us/vocabulary/Tarbuck...
/ 385480049328744230
www.usatoday.com/story/sponso...
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geogirl you are a godsend. I remember thinking to myself "man, there are no good geo resource channels on youtube... when I finish my degree I should make something myself like the EarthSci equivalent of 3Blue1Brown... but then I found your channel!" Thanks so much for it!
Yes! I had the exact same thought which is one of the reasons I started this channel, I hope I fill that gap a bit :) I still hope that somebody will eventually make one that is more geophysics focused as that is certainly not my specialty haha ;)
@@GEOGIRL literalyl would have failed this unit if not for you tonight tysm
Here's what I love about the continents of the present day. The Arctic is a circular ocean surrounded by continents. Antarctica is a circular continent surrounded by ocean. 😃 That's awesome! Like a Yin and Yang kinda thing. Fair and balanced. The ancient Greeks would have appreciated this.
Good thing it's a video. You talk faster than I can listen. Pause and rewind worked well for me. Definitely can't read your text and listen at the same time. Nick Zentner who I also like repeats way too often and is much slower and is on the other end of the of the speed curve for me. For him I have to speed up the video to get through it. Thanks for doing it and being zippy about it. I liked it.
Thank you so much for the comment! Yea, my original goal with the channel was to be the geology equivalent of crash course where Hank Green speaks so quickly haha. I always found those videos so helpful and I liked that he went fast so I could learn more in less time, so that is what I aim to emulate, but sometimes I get that I go too fast over concepts that might not be introductory, so I am working on that ;)
Thanks again!
Lol there is speed adjustment option in youtube. If you cannot trace the speed you can reduce it to 0.75 or 0.50 as per your capacity.
@Geo girl is wonderful. I wish o could assist to make this channel one of the greatest of all geology channels but unfortunately i am poor in video editing and my speaking is also poor.
This was excellent. This filled in a lot of blanks for me. I noticed in a previous comment someone called you Zippy. HAHAHAHHAHAH. So, I've always wondered how and when the White Cliffs of Dover formed and how extensive are they. I think one of your other vids answered some of it but I'm seeking a more chronological account. Rumor has it they are actually vast, way beyond just the European North Sea shorelines. Okay, Professor Zippy, you keep talking I'll keep learning. 🤣
I felt fast tectonics but in a precise way. Weldon! Keep rocking among rocks...
THANK YOU SO MUCH for explaining the super complicated details which I didn't understand earlier. its really amazing how you managed to talk about the advanced stuff in a short video and also make them understand it very well.. I am waiting to see more of the TECTONICS and physical geology videos from you. LOVE your channel!!
Thank you!!! Learned so much from this
So glad you liked it, thank you for the comment ;D
I've pondered such info for many years. Thanks for sorting it all out for me...
If possible can you upload the video on CLASSIFICATION OF LIMESTONE??????
That's a great idea! Will do :)
Hey there! I just wanted to say thanks for your awesome video on O'level geography. I've been struggling to find good learning resources on CZcams, but your video has been a total game-changer. Even though some of the stuff you cover might be a bit advanced for me, it's been super helpful in clearing up a lot of my questions. So, thanks for putting in the hard work!
Quick question - do you have any other suggestions for free tools or resources I could use to get better at basic geography and wrap my head around some of the concepts? Would really appreciate any guidance you could offer. Thanks again!
Regarding Wilson Cycle: my understanding is that once the oceanic crust reaches a certain age (200 million years?), it is SO dense it starts to sink/subduct, triggering the reversal from spreading to eventual continental collision. My question is this: why does it subduct at only one of those once passive margins instead of at both?
Hey Geo Girl, love the video. I am studying a high-pressure rock unit of the Franciscan Subduction Complex of the the Northern California Coast Range Mountains. Understanding the plate motions is playing a large role in my masters thesis. It may in fact be reflected in stretching lineation orientations within the rock unit. A couple questions for ya:
Where did you get the plate motion model at the beginning of this video?
Any good literature you recommend around plate motion of the Northeastern Pacific basin (Kula or Farallon related)?
Thanks for the comment Johnathann! The motion model is from: blogs.egu.eu/geolog/2017/09/14/mapping-ancient-oceans/
As for the literature... I unfortunately don't think I can help you. I am no expert in this stuff, I just touch on the basics here, so I really don't know of any specific papers or anything related to those topics you mentioned.
But I wish you the best of luck with your Ms, it sounds like you are on the right track! ;)
Whereever I search why in subduction its always the denser plate which gets subducted the reason I get is "because it is dense" but it doesn't make any sense. Eben though its dense but before colliding with the lighter plate it was still floating so what actually happened at the collision that it got subdicted?? Lesser buoyancy is surely NOT the answer....please someone help me in understanding this
In Wilson cycle where did the water came from???
Have you found Nick Zentner ? Hes a proff outta Wa doing live streams Ithink maybe youd be interested tell him zigg sent you lol
I just looked him up, so cool! Love his channel :D Thanks for letting me know about him, I'll have to join one of his live streams soon and tell him you sent me ;)
@@GEOGIRL Great Im glad ....there is quite a following with tons of new information i think you will enjoy it LIVE a lot
@GEOGIRL hi late to the party here. Nick came out with a new lecture about a year ago talking about the formation of the rockies. I loved this one lecture and is what I would define as fringe science. Just a hypothesis so new that it's still not widely known or accepted by the field in which it's proposed. Let me be totally clear Nick didn't come up with this Hypothesis, he is just relaying it. Love the videos lots of interesting information.