Please LIKE and SUBSCRIBE. I also appreciate your continual support of these geology education videos. To do so, click on the "Thanks" button just above (right of Download button) or by going here: www.paypal.com/donate/?hosted_button_id=EWUSLG3GBS5W8 Or: www.buymeacoffee.com/shawnwillsey
Thank you. A great class as all are. Thinking of the flood waters in North Carolina that moved massive amounts of mud rock and debris in just a few hours. Water energy is extremely powerful.
I live in western NC and got to see flowing water's awesome power right outside my door, ripping out large stabilizing rocks and undercutting banks in the creek 30 ft away. Luckily, not much damage at my home, but many others along the Appalachians were not so lucky.
¡Muchas Gracias! Learning with you makes me like my travels more. These classes are so interesting. Started watching Iceland volcanos with you, now I'm your student.
Thanks for putting together these classes! As always, your presentation is easy to understand, your explanations are detailed but not overwhelming, and the illustrations are memorable and helpful!👍🏻
Thank you, Shawn, I am learning so much new terminology and how rocks fit together. I really appreciate how you don't just throw new names or terms at us, you integrate them into the story of the earth and it's history.
Great material for someone like me. I watch both you and Nick regularly but never had this kind of baseline knowledge other than what I could glean from reading. Calcite, for example is no longer confusing. I will watch this entire series like I was a college freshman again!
Thanks for another excellent episode, Shawn! I love this series, and your clear, concise, easy to follow teaching method really works for me as well as for lots of us, hence the 122k subscribers to your channel :) From what I remember from my Italian lessons, your pronunciation of 'breccia' is pretty good :) And I got both quiz questions right, so I guess I was awake! ;)
Hey Shawn! I have a question, maybe you can answer it? As you drive north on Hwy 95, just past Riggins on the right as you start up the White Bird grade there is a series of ridges off to the right, on the other side of the old highway. The ridges all look like normal Idaho terrain, but then a dozen or so ridges look like someone took a putty knife and mushed them all down and a bit to the north while they were still soft. Every time I drive by I wonder 'How the heck did that happen?" Thanks for all you do!
This was fun. I love detective work, and am always amazed at how you figure out how something formed, or take educated ‘guesses’ on formations (anyone who hasn’t seen the Random Roadcuts series…please check it out!). These vids help us figure some things out for ourselves, which is excellent. Quiz = 100%. I’m very grateful you enjoy teaching as much as you do and share this with us. Hugs.
Episode 15 in the nice, logically-arranged series of geology lectures/videos. I appreciate that your slides on sediment particle sizes uses metric units, so that they are easily understood by the world-wide Internet audience. It was funny, then, to take the base-10 metric system and start talking about a base-2 fraction of a millimeter the way one would with inches. 😀 (A [ *_joking_* ] curse upon Chester K. Wentworth for choosing fractions of mm, rather than decimals of mm. In the table of nomenclature classification schemes in his paper, only *2* of the 10 schemes use fractions.)
for 28:32 what about lake or swamp. Perhaps the larger rocks were already there and never moved while the smaller sediment moved in around them? Thank you for the video, loving the series.
Teacher Willsey, I have a question: we know that quartz is composed of silicon and oxygen. But in the center of the Earth there is no oxygen, so where does this oxygen come from to join the silicon and form quartz? Thanks. REI FROM BRAZIL
My suggestion is that it is gleaned from other substances by some chemical 'transposition'. I hope you can get an expert opinion to answer your excellent question. ❤
@reidogarimpo1691 I believe it generally gets subducted, particularly under oceans. water, co2, carbonates etc all get subducted and eventually broken apart via heat into the elements, which recombine into SiO2 and such at the correct pressure/temp
@@reidogarimpo1691 I think that the respondent styling himself 'buzzkill4263' has a very convincing explanation. Take a quick look at his subduction explanation.
Shawn: Watched your video on Dinosaur National Monument the other day and noticed the very thin layers of the Morrison Formation similar to what we see here in Colorado. Just across the valley to the east of Red Rocks Park stands the Dakota Hogback, the site of much of the "Bone Wars" between Cope and Marsh. It is the upturned exposure of sedimentary rocks, being mostly the Morrison Formation on the west side grading to the Dakota Group on the east side. A now closed road runs through it giving us a very interesting road cut. It's now known as Dinosaur Ridge and has tracks, traces, ripple marks and even a couple casts of dinosaur footprints in the Morrison. My question is this....many of the shale layers in the Morrison are very thin. What is your opinion as to how each layer was deposited...could it be a daily event as the tides came and went? If you ever get into the Denver, I would highly recommend a visit. You can walk the whole trail, or they have a minibus with a tour guide.
As a geophysicist with extensive undergrade and graduate geology education one of things that has perplexed me is preservarion of thick sets of aeolian dune deposits. With the requirement of burial for lithification, why has wave base action not winnowed the dune deposits down to sheet sands?
You mentioned peat moss. At what point does this become a "rock" ? When a human can't crush it with his/her own bare hands ? When the Terminator can't crush it with his hands? (and in the case of shale, if you can easily separate slab , lift it and when you throw it against rocks, it will shatter back in to sand, was that a rock to begin with? Is dried mud a rock? dried clay shaped in a form of a vase?
Other question: if you mix cement, sand and sharp edged gravel and add a bit of water. Does this become a breccia rock? Don't "real" breccia rocks get formed the same way? Similarly, what about ashphalt? Why is that not a rock since it is also mix of rocks, oil and some form of cement?
The rain water originally came from evaporation off of the sea and eventually all water flows back into the sea. "All the waters flow into the sea and yet the sea is not filled."
As we have seen in the Glacial Lake Missoula outwash areas, icebergs can transport large rocks for long distances. Isn't it possible that glacial ice made it all the way to the ocean and deposited rock there?
I don't think using fractions with metric measurements such as 1/16 mm or 1/256 mm is the customary way of doing that unless it's something unique to geology.
Please LIKE and SUBSCRIBE. I also appreciate your continual support of these geology education videos. To do so, click on the "Thanks" button just above (right of Download button) or by going here: www.paypal.com/donate/?hosted_button_id=EWUSLG3GBS5W8 Or: www.buymeacoffee.com/shawnwillsey
You are a fantastic instructor; your explanations are clear, concise and easy to understand. Thank you!
Thank you for this. Good to know my teaching style is helpful.
Another informative session. Thank you Shawn!
Thank you. A great class as all are. Thinking of the flood waters in North Carolina that moved massive amounts of mud rock and debris in just a few hours. Water energy is extremely powerful.
I live in western NC and got to see flowing water's awesome power right outside my door, ripping out large stabilizing rocks and undercutting banks in the creek 30 ft away. Luckily, not much damage at my home, but many others along the Appalachians were not so lucky.
Thank you Shawn for sharing this very insightful video. 😊 I am grateful for all the work you do to make your videos.
¡Muchas Gracias! Learning with you makes me like my travels more. These classes are so interesting. Started watching Iceland volcanos with you, now I'm your student.
Thanks for putting together these classes! As always, your presentation is easy to understand, your explanations are detailed but not overwhelming, and the illustrations are memorable and helpful!👍🏻
You're very welcome! Thanks for your support.
That was so good. More quizzes if you can please! The 101 knowledge base is growing 👍🏼
Thank you, Shawn, I am learning so much new terminology and how rocks fit together. I really appreciate how you don't just throw new names or terms at us, you integrate them into the story of the earth and it's history.
You are so welcome! Thanks for watching.
Thanks, Shawn! About time I pitched in more than a 👍... LOL Appreciate the continuing efforts on your part!!
Many thanks for your kind contribution and continued support of geo-education.
I'm glad you use the KISS method keep it simple well you know .👏👏👏🎃
I really appreciate this series. It's helping me tremendously, and I got both quiz questions right. Thanks Shawn for all that you do!
Awesome. Glad it was helpful. Enjoy the series.
Thank you for taking the time to do these videos 👍
I got an A on my first quiz in geology 101, that Will help chip away the F in geology :-) Thank you for all your Great instruction.
Great material for someone like me. I watch both you and Nick regularly but never had this kind of baseline knowledge other than what I could glean from reading. Calcite, for example is no longer confusing. I will watch this entire series like I was a college freshman again!
Glad you enjoyed it! Thanks for your support.
Thanks for another excellent episode, Shawn! I love this series, and your clear, concise, easy to follow teaching method really works for me as well as for lots of us, hence the 122k subscribers to your channel :)
From what I remember from my Italian lessons, your pronunciation of 'breccia' is pretty good :)
And I got both quiz questions right, so I guess I was awake! ;)
Awesome, thank you!
Great episode! Look forward to the deep dive detail videos, especially the biochemical transformations! Thanks! 🤗
Thanks.
Hey Shawn! I have a question, maybe you can answer it? As you drive north on Hwy 95, just past Riggins on the right as you start up the White Bird grade there is a series of ridges off to the right, on the other side of the old highway. The ridges all look like normal Idaho terrain, but then a dozen or so ridges look like someone took a putty knife and mushed them all down and a bit to the north while they were still soft. Every time I drive by I wonder 'How the heck did that happen?" Thanks for all you do!
Awesome info! Thanks for filling in the gaps in my knowledge! 😎
Thanks for all the hard work on these videos!
Thanks!
Thank you, Marion!
Yay!!! Another cool lesson. Thank you Shawn
Another great lesson, Shawn! It really makes sense after seeing the conglomerates and the shales in Ogden and Echo Canyons over the weekend!
Thank you so much Shawn
Thanks Prof. very well done!
This was fun. I love detective work, and am always amazed at how you figure out how something formed, or take educated ‘guesses’ on formations (anyone who hasn’t seen the Random Roadcuts series…please check it out!). These vids help us figure some things out for ourselves, which is excellent. Quiz = 100%. I’m very grateful you enjoy teaching as much as you do and share this with us. Hugs.
Many thanks for your kind words. Glad you like learning with me.
Very interesting, thanks
Love this ❤️✌️👍
Episode 15 in the nice, logically-arranged series of geology lectures/videos.
I appreciate that your slides on sediment particle sizes uses metric units, so that they are easily understood by the world-wide Internet audience. It was funny, then, to take the base-10 metric system and start talking about a base-2 fraction of a millimeter the way one would with inches. 😀 (A [ *_joking_* ] curse upon Chester K. Wentworth for choosing fractions of mm, rather than decimals of mm. In the table of nomenclature classification schemes in his paper, only *2* of the 10 schemes use fractions.)
love your shows
I always read it as “sedentary rocks” and keep thinking, duh… 😅
Cool, thank you.
for 28:32 what about lake or swamp. Perhaps the larger rocks were already there and never moved while the smaller sediment moved in around them? Thank you for the video, loving the series.
Teacher Willsey, I have a question: we know that quartz is composed of silicon and oxygen. But in the center of the Earth there is no oxygen, so where does this oxygen come from to join the silicon and form quartz? Thanks. REI FROM BRAZIL
My suggestion is that it is gleaned from other substances by some chemical 'transposition'.
I hope you can get an expert opinion to answer your excellent question. ❤
@reidogarimpo1691 I believe it generally gets subducted, particularly under oceans. water, co2, carbonates etc all get subducted and eventually broken apart via heat into the elements, which recombine into SiO2 and such at the correct pressure/temp
@@causewaykayak I would like to know, but it seems that Willsey doesn't know either, he didn't respond
@@reidogarimpo1691 I think that the respondent styling himself 'buzzkill4263' has a very convincing explanation. Take a quick look at his subduction explanation.
@@causewaykayak Thanks man
Shawn: Watched your video on Dinosaur National Monument the other day and noticed the very thin layers of the Morrison Formation similar to what we see here in Colorado. Just across the valley to the east of Red Rocks Park stands the Dakota Hogback, the site of much of the "Bone Wars" between Cope and Marsh. It is the upturned exposure of sedimentary rocks, being mostly the Morrison Formation on the west side grading to the Dakota Group on the east side. A now closed road runs through it giving us a very interesting road cut.
It's now known as Dinosaur Ridge and has tracks, traces, ripple marks and even a couple casts of dinosaur footprints in the Morrison. My question is this....many of the shale layers in the Morrison are very thin. What is your opinion as to how each layer was deposited...could it be a daily event as the tides came and went? If you ever get into the Denver, I would highly recommend a visit. You can walk the whole trail, or they have a minibus with a tour guide.
As a geophysicist with extensive undergrade and graduate geology education one of things that has perplexed me is preservarion of thick sets of aeolian dune deposits. With the requirement of burial for lithification, why has wave base action not winnowed the dune deposits down to sheet sands?
You mentioned peat moss. At what point does this become a "rock" ? When a human can't crush it with his/her own bare hands ? When the Terminator can't crush it with his hands? (and in the case of shale, if you can easily separate slab , lift it and when you throw it against rocks, it will shatter back in to sand, was that a rock to begin with?
Is dried mud a rock? dried clay shaped in a form of a vase?
Other question: if you mix cement, sand and sharp edged gravel and add a bit of water. Does this become a breccia rock? Don't "real" breccia rocks get formed the same way?
Similarly, what about ashphalt? Why is that not a rock since it is also mix of rocks, oil and some form of cement?
Can you help explain where will the water go from Helene hurricane?
Most will go down the Santee-Cooper river system into S. Carolina and eventually to the Atlantic north of Charleston.
The rain water originally came from evaporation off of the sea and eventually all water flows back into the sea. "All the waters flow into the sea and yet the sea is not filled."
As we have seen in the Glacial Lake Missoula outwash areas, icebergs can transport large rocks for long distances. Isn't it possible that glacial ice made it all the way to the ocean and deposited rock there?
Is there any way to tell any way how long the sediment [sand] got there
If you can rule out Occam's Razor, then the "official story" seems applicable. From pure visual observation, looks like muscle tissue.
I don't think using fractions with metric measurements such as 1/16 mm or 1/256 mm is the customary way of doing that unless it's something unique to geology.
i miss the old Shawn :(
I saw White Pocket on the title screen and thought it would be about how White Pocket formed, not the rock it's made of. 😥
Cross bedded sandstone deposited in a large dune field during Jurassic. These rocks extend from nearly Mexico to Canada.
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Thanks!
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Thanks!