The ages of the rocks are rather stunning!

Seeing an old pluton still in its original contact zone with some of the much older rock that was part of its containment reservoir when it was still molten magma is pretty spectacular !

Thanks to Nick for clueing us into your channel - excellent explanations of everything! I look forward to going back & watching, as well as future videos. Thank you!

@shawnwillsey

2 жыл бұрын

Yes, I am grateful he gave me a little publicity and I hope you and others enjoy my content as much as his.

@willswift94

2 жыл бұрын

Are you referring to Nick zentner?

@Mistydazzle

2 жыл бұрын

@@willswift94 that is correct.

@JesseFout

2 жыл бұрын

@@shawnwillsey Even though I mentioned Nick Z earlier, the KZread algorithm brought me to you, so you must be hitting the right keywords etc. Very glad he's spreading the word too. You are getting close to 5K subs congrats sir!

@shawnwillsey

2 жыл бұрын

@@JesseFout Thanks for watching and finding me. Yeah, its been crazy to watch this grow organically and quickly.

Thanks Shaun. Envious of you having such a fantastic playground to climb

I’d love to go on a hike with you. Explaining the origins of the rocks while we walk.

Fascinating story. That contrast in age is most striking.

Very interesting. We're going back. The traction you get climbing on the rocks is amazing.

I find the contact points of the different rocks and the ages of the rocks interesting here. It shows me how dynamic the earth is. It is showing change through time. It is hard to comprehend how great the forces involved in these processes are. Thanks for this series on this location.

Thank you for talking in numbers I can understand.

One day, years ago, I had a patient in the clinic one day who was planning a trip to the Moab, UT, area, and I found out he was interested in the geology of Arches and Canyonlands national parks. I took him back to my office where I happened to have some literature about that area, and the two of us sat there for awhile quite enraptured by the natural history. Then one of my nurses walked by and heard us talking. She walked in the room and said simply with disgust, “Boys and dirt!” Well, Shawn Willsey, compared to you I’m one of the cleanest kids on the block, but I sure appreciate your videos.

I have been there and it's amazing. After watching your video I want to make another trip.

Really appreciate your descriptions and explanations of the rocks! Thanks loads!

@shawnwillsey

Жыл бұрын

My pleasure!

Thanks, Shawn--

What an awesome place and fascinating history.

@shawnwillsey

2 жыл бұрын

One of my favorite places. Awesome geology and fantastic rock climbing.

Dang your videos are good. Thanks for making them and sharing them!

@shawnwillsey

2 жыл бұрын

You bet. Thanks for your kind words and watching/learning with me.

Thanks!

Love this - thank you

@shawnwillsey

2 жыл бұрын

Thanks for watching!

Thank you love yr videos iam going to look around my home country nz and see what I can see

We need you in Australia to explain our geology, great work.

@shawnwillsey

8 ай бұрын

Maybe one day! I would love to see Australia and it’s geology. My favorite band is from down under.

Another great video!

@hustleman671

2 жыл бұрын

I love this video first time ever to know about city of rocks

@shawnwillsey

2 жыл бұрын

@@hustleman671 Enjoy. There are two others for City of Rocks on my KZread Channel.

Contact metamorphism. The fine-grained aplite dikes indicate relatively rapid cooling at shallow depths.

Will you give us a little more info/explanation about granite - schist and gneiss - didn t think these crumbled

I can’t get anything done watching your vids!

👍

Is there a gradient in grain size when you go from deep inside the granite intrusion to its contact area with the schist? Because I could imagine that the nearer you are to the edge the quicker the granite has cooled down and thus the smaller its grains are. Or am I making a mistake here?

@shawnwillsey

Жыл бұрын

Yes, you are right on track. In general, margins of magma chamber will tend to have smaller crystal size due to quicker cooling rates where the magma is in contact with the surrounding rocks.

Hi Shawn, Another passionate description of geology, very enjoyable. Was the exhumation mechanism of the metamorphic formations subduction related?

@shawnwillsey

10 ай бұрын

Hi there and thanks for watching. No, the uplift of the Albion Mountains is part of Basin and Rang extension which began about 20-25 million years ago.

@johnnash5118

10 ай бұрын

@@shawnwillsey Ok, so the age of the metamorphism is the same as the uplift?

Nice presentation. Did you know that’s the edge of two exotic terrains. It’s what caused the intrusion. The formations and outcrops of granite extend into northern utah.

Have you been to Gooding, Idaho, the Little City of Rocks?

@shawnwillsey

2 жыл бұрын

Yes, I have a video from there on my KZread channel (older video). Love that place.

Gneiss schist ! 5mi of erosion in 28 million years seems like a lot erosion.

@shawnwillsey

Жыл бұрын

If you do the math there, it’s only 0.01 inches per year. Total doable and if you add uplift, even easier.

Thanks!

@shawnwillsey

7 ай бұрын

Much appreciated. Thanks for your support.