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Composition of Oceanic Crust Part 2: Pillow Lava, Dikes, Gabbro, and Peridotite

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Professor Dave Explains

Professor Dave Explains

Күн бұрын

Now that we know about the types of sediment that cover oceanic crust, let's look at oceanic crust itself. At the top there is pillow lava, or basalt, then sheeted dikes, then gabbro, then a bunch more stuff! Let's get a much closer look now.
Script by Jared Matteucci
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Пікірлер: 56
@daksh5285
@daksh5285 Жыл бұрын
He knows science, he knows psychology, he knows geography/ geology. He knows eco.. he knows life .he knows everything..
@nathanatoragaming8075
@nathanatoragaming8075 6 ай бұрын
He knows a lot about the science stuff
@willywood6508
@willywood6508 Жыл бұрын
I'm here to feel a little less stupid.
@IchyJo
@IchyJo Жыл бұрын
😂 Same.
@TheDiasporaMedia
@TheDiasporaMedia Жыл бұрын
Why not BE a little less stupid? instead of just feel?
@willywood6508
@willywood6508 Жыл бұрын
@@TheDiasporaMedia Because half this info still goes over my head.
@jessicadeines
@jessicadeines Жыл бұрын
I am a computer scientist predominantly but I do have my masters in physics and almost did geophysics instead. This is so fascinating it makes me wish I had. As an aside to Professor Dave, I recently learned about something called the Bolton Strid from a friend in the UK. The geology of the region makes the river turn sideways and makes it a literal death trap! Would you do an episode on it?
@ViridianIsland
@ViridianIsland Жыл бұрын
Tom Scott made a video on the Strid!
@tonydagostino6158
@tonydagostino6158 Жыл бұрын
Ophiolites can also be found in the exotic terrains of California, the Pacific NW, B.C. and Alaska. The Macquarie Islands, between New Zealand and Antarctica, are almost entirely mantle rock as well.
@ntj8863
@ntj8863 Жыл бұрын
there’s also an ophiolite complex in Oman!
@Ratciclefan
@Ratciclefan Жыл бұрын
@@ntj8863 isn't that the one mentioned in the video?
@gideonsstuff
@gideonsstuff Жыл бұрын
Just finished a project on magmatic differentiation and mineral fractionation for my geochemistry class. This would have been a cool video to watch at study sessions with my friends 😂
@097jupiter
@097jupiter Жыл бұрын
geology is so interesting to me… too bad i took all these classes during the covid era and learned next to nothing about it so i’m glad these videos exist
@GregoryMcCarthy123
@GregoryMcCarthy123 Жыл бұрын
LOVE THIS
@naphtaliliverpool882
@naphtaliliverpool882 Жыл бұрын
Saw James tour back at it again expecting a response
@AshwaniKumar-tx3cq
@AshwaniKumar-tx3cq 10 ай бұрын
I am here from INDIA only to listen your videos on geology. I request you to not stop making content on geology. Great admiration for you !!!
@Ratciclefan
@Ratciclefan Жыл бұрын
So much knowledge, and easy to understand to boot
@waelfadlallah8939
@waelfadlallah8939 Жыл бұрын
God i can't wait for the next tutorial
@sicfxmusic
@sicfxmusic Жыл бұрын
Call me and book a time machine.
@waelfadlallah8939
@waelfadlallah8939 Жыл бұрын
Who needs a rusty old time machine, we have Prof Dave.
@sandivin
@sandivin Жыл бұрын
Here is your engagement commit, with all seriousness, thank you for the time you give us for our entertainment. You don't have to, but you pour you time into this anyway.
@livingcodex9878
@livingcodex9878 Жыл бұрын
おはようございます
@adiyn_
@adiyn_ Жыл бұрын
no way I actually managed to read that, I can do it, I can learn more japanese
@livingcodex9878
@livingcodex9878 Жыл бұрын
@@adiyn_ You can do it!
@jestermoon
@jestermoon Жыл бұрын
Take A Moment Thank you Professor 😊 Stay Safe Stay Free
@user-qy1tk9cr8s
@user-qy1tk9cr8s Жыл бұрын
Here after King Crocoduck (famous KZfaq atheist and creation debunker) debated Devid McQueen (Geology Professor at the Institute for Creation Research) about the reliability of radiometric dating techniques
@columnarbasalt4677
@columnarbasalt4677 Жыл бұрын
i like this
@rianmacdonald9454
@rianmacdonald9454 Жыл бұрын
Prof Dave - off topic of this video - but I am interested in learning more about radiometric dating, as always had an issue with dating system, and when items are dated to certain ages. My biggest problem with it, is the idea of - you test the half-life decay of an atom, now that states when that atom was created and began to decay - wouldn't that off been in the previous star's supernova? not when a structure was created? Same with the samples brought back from the Moon, and samples used on Earth. I.E. the Moon sample, were tested and stated to be approx. 4.5billion years old, therefore the Moon was there 4.5billion years ago - but this is my problem, would all the dating methods just tell you how old those atoms are - not the formation - so if the test state it is 4.53BYO - then should it be fair to think the actual moon was ''created/formed'' much later than that. I fully accept my issue with radiometric dating, can (and most likely) are from a lack of knowledge of how it is done - therefore my question (as I have looked for books on the subject, and usually end up with a list of creationist BS) can you recommend a book or author for me to read up on the different testing methods, how and why each is used, and what the data and results imply. My problem is getting past the creation of atoms within a star, and subsequent supernova - at which point over vast time scales said dust collapses into planets - but wouldn't any half-life decay test show the period at which the Star exploded in a supernova, creating the heavy elements for these tests - therefore shouldn't every test give the same answer?? I really want to know more about this subject as it is a major hurdle for me.
@granodiorite9032
@granodiorite9032 Жыл бұрын
This is a great question. If you think about the overall bulk of the data from the dated mineral, I think the scientists looked at the ratio between outliers in the total bulk composition. If you dated a rock and the result spit out mostly 4000 years old and very few 10,000 years. You would probably go with the 4000 years old because this is a new atom that formed. Moreover, if the majority of your data from asteroids and rocks correlate and give you mostly 4.5 billion years old, then you would go with that number. A 6 billion year old interstellar asteroid could end up in our solar system, and if we dated it and it give us mostly 6 billion years, then its safe to assume its a 6 billion year old asteroid that is not from our solar system. Of course this sound simple, but there are rigorous process sciencetists go through before accepting the dated value. you also have to think about the rock cycle where mineral gets destroyed, create and deposit and repeat over and over.
@pramodsingh7898
@pramodsingh7898 Жыл бұрын
Thanks
@christianbergmann8114
@christianbergmann8114 Жыл бұрын
So much to learn 😃
@Pantherachadris
@Pantherachadris Жыл бұрын
Hey dave make video on tantra vidya
@bobwall6317
@bobwall6317 Жыл бұрын
This is unrelated, but do you think that you will ever refute praxeology and Austrian economics?
@Troubled_waters
@Troubled_waters 6 ай бұрын
how much do I need to pay you to get rid of the into song? 🙏 ty for your videos ✨
@ProfessorDaveExplains
@ProfessorDaveExplains 6 ай бұрын
A million dollars
@cjfredi
@cjfredi Жыл бұрын
Question: Does our sun nova or micro nova on a clock cycle?
@XraynPR
@XraynPR Жыл бұрын
no
@hm-uq6mc
@hm-uq6mc Жыл бұрын
Shouldn't the hot liquid body at 0:23 called magma?
@granodiorite9032
@granodiorite9032 Жыл бұрын
he said that then when it the magma spill out contacting cold water it became lava.
@I_am_a_cat_
@I_am_a_cat_ Жыл бұрын
I really wish dave would get a new opening
@elCamo12
@elCamo12 Жыл бұрын
i somehow really love those :)
@Gruwg2024
@Gruwg2024 Жыл бұрын
You can’t say “dikes” anymore Dave !!!
@CommunalDisc171
@CommunalDisc171 Жыл бұрын
Sup
@donchristie420
@donchristie420 Жыл бұрын
Sup
@timlenord1
@timlenord1 Жыл бұрын
THESE VIDEOS ARE COOL & ALL BUT WHY DO THEY PLAY AUTOMATICALLY AGAINST MY WILL THOUGH I'M NOT SUBSCRIBED???
@granodiorite9032
@granodiorite9032 Жыл бұрын
youtube update.
@DurpenHeimer
@DurpenHeimer Жыл бұрын
I feel like a tutorial junkie
@-JA-
@-JA- Жыл бұрын
👍❤️
@sciencenerd7639
@sciencenerd7639 Жыл бұрын
Hello everybody
@itisallinyourhead1709
@itisallinyourhead1709 Жыл бұрын
Let's memorize textbooks, spit them right back out, then call ourselves smart everybody!!!
@ProfessorDaveExplains
@ProfessorDaveExplains Жыл бұрын
Tell me more about how you hate knowledge.
@onecoinmidas4541
@onecoinmidas4541 Жыл бұрын
You still salty over failing middle school science class?
@ProfessorDaveExplains
@ProfessorDaveExplains Жыл бұрын
@@chum3192 You can thank the idiots I debate for that.
@ghostbirdlary
@ghostbirdlary Жыл бұрын
are you still getting dislikes from flat earthers?
@MaryAnnNytowl
@MaryAnnNytowl Жыл бұрын
I really enjoy these, but there's only so many ways to say that, so... just putting in that comment for the Almighty Algorithm.
@nicokuhne3255
@nicokuhne3255 Жыл бұрын
but but
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