Origin of Igneous Rocks
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- เผยแพร่เมื่อ 8 ก.พ. 2025
- With minerals better understood, it's time to discuss rocks. The first type of rock we will discuss is igneous rock. These rocks are formed when magma/lava crystallizes. But how does the mantle rock melt to form magma in the first place? What is the composition of igneous rock? There's a lot more to it than you might think, so let's check it out!
Script by Jared Matteucci
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Wow. In all my lay reading and watching geology content I've never heard of the role decompression plays in the melting. You're a gem, Dave.
Great video! Much more detail than my high school class, and more specific with names so I can do further research to understand these concepts, rather than just simply being told that there are different rocks and what their names are.
Thanks. l love a good geology lesson and North America is a great place to study it. As I live in Florida, I am partial to sand and often ask people if they know where all of this sand comes from? It turns out that our sand is crystalline quartz and is the final residual result of igneous granite weathering,. For millions of years the wearing down of the Appalachian mountains has sent sand downstream to the Atlantic and Gulf. Coastal currents move that sand south, so now I live on top of an ancient sand dune.
I would love to study Geology in the North America, but I’m struggling with some of the scholarships offered
No but i k8nda hear ya. Comes from the sea shoves underground.
@@peterparker9286
Regarding Florida's Beach Sand
Ref online guide:
A Guide to the Colors and Textures of Florida's Beach Sands
"Where Did Florida Beach Sand Come From?
Much of the sand on Florida beaches is made up of quartz crystals, produced by the weathering of continental land masses like the Appalachian mountains. The quartz is washed down America's great rivers into the Atlantic and the Gulf of Mexico where it's carried onto the beaches by water currents and waves".
@@chrisconklin2981 Knowledge is something You find from Source and the Web is nothing but jibberish.
@@peterparker9286 Contrar, I am the Source.
Probably have to watch this twice, but undoubtedly this ties in to the early uses of obsidian. Nice video.
Iv been making some neat pendants and learning the chemistry of the gemstone and rocks. Thanks Dave your inspiring me all the time.
Great debut of this wonderful series 👍
Professor dave teaching Geology
Yep
Great video. Learned many things.
Thank you for this video, ive always loved rock formation
I been telling my college chemistry teacher about you. She might start using your content in her lessons :D I also told my Earth Science teacher about this video aswell!
Really enjoying your content!
Good work, as usual. Thanks for this.
so if you want to harvest olivine, you just need to keep a pool of lava at the right temperature for long enough, then pump off the still molten parts to crystallize out other minerals...
then you can get to the olivine layer easier and you just need to break up the rock
I have a lump of mixture of materials from the seaside and I am looking for someone to analyse it. This video was a start to my understanding as to what I have found.
Any easy test that you can do is drop some dilute HCl on it to see if it fizzes. That will tell you whether or not it is calcium carbonate
Thanks sir for this video
Thank you Dave ! Best ...
Great video like always. Could you add the citation to the article about at timepoint 2:23 about the adiabatically mantle.
thank you
Hi Professor Dave. Can you explain how Devils Tower was formed. There’s a debate on whether it’s a petrified tree or a an eroded volcano
Very cool how you describe this in such detail, yet don't waste a single word. Here's a well-deserved like and comment for the care and feeding of the ever-voracious Almighty Algorithm. 🙏
❤️❤️
Professor Dave .. please upload more geology video as soon as possible 🥺 l m using it for my exam preparation . will you make for climatology and vegetations.
Thank you
Can you upload a bit faster if possible?
I really can't wait for your videos
Sir if a quantity say x is directly proportional to y, does it imply that y is also proportional to x. I mean that is proportionality between two variables both ways correct. Thanks
This was the only thing that intrigued me in science class in grade school lol
Whatever the conditions near the mantle, it did not consist of a pristine laboratory. I don't understand why some would suggest you do chemistry in these conditions. Do you have any references on that?! ;D
Joke?
@@borttorbbq2556 yes. Reference to James Tour
@@alexmcd378 i figured. I certainly had a chuckle do.
Different types of rocks have different atomic-cubic structure, which mentioned in inorganic chemistry.
Mi piace mille la tua scienza
excellent stuff. commenting for the algo
Yeah, rocks are cool ^^
Wow😮😮
That scares me
How do you know so much about so much?
"Decompression"! Of course! (Forgive me - not my area). Thanks.
Simple. Igneous rocks are due to melting from interplanetary lightning bolts a few thousand years ago! ;)
Does anyone else see a dragon breathing fire in the thumbnail?
can you discredit the creative society?
This is geology
You should react to the Troll Science videos and stream it
👌👌👌
👏👍
Ok
Everyone i request you to like this video.
stream roar by the boyz
It is very nice videos but please speak a little bit slower 👍thank you
So dumb. Everyone knows god makes rocks in one day. 😂 sorry I couldn’t help myself… another great video from the Professor! He does a great job of explaining. There’s a newer image of what seismologists believe the molten lava inside the earth looks like, with massive bulges and very, very different than just a sphere or blob
I do not if you told your community already, but how many degrees doe you have and what degrees do you have?
BA chemistry, MA science education.
Why do you find that important if the data he's giving is correct?
@skateboardingjesus4006 nothing offensive i was just wondering due to his broad reach 🤦🏿🤦🏿
@ProfessorDaveExplains ow nice happen to be going for my BA in chemistry. I did not mean anything by it. I was just wondering if you studied all of the subjects or it was your hunger for knowledge👍🏿👍🏿, thank you very much and keep up the good work
Hii
😍🙏🏻💓
Need help
deez rocks 😁
What the fuck