Orogeny Geological Formation of North America: 600 Million Years Ago To Present
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- เผยแพร่เมื่อ 27 ก.ย. 2018
- Sloss Diagram and Phanerozoic Evolution of North America:
This animation shows the relationship of: (1) the geologic evolution of North America from the latest Precambrian (600 Ma) to the Present (right), and (2) the distribution of the six major stratigraphic sequences in time and space for North America, as defined by Larry Sloss (1963) (left).
On the chart, the vertical axis shows geologic time (from 600 million years (base) to the Present). The horizontal scale is in distance and indicates where sedimentation was occurring on the North American continent. The orientation of the diagram is roughly east (right side) to west (left side). The orange areas in the central part of the chart show where no sediments were deposited (i.e. hiatus). The white area indicates where sediments were being deposited (various shades of blue on the map). The purple triangles on the left and right side of the diagram indicate the timing major orogenies (times of mountain building). The horizontal red line indicates the geologic time being shown on the chart and matches the geologic time shown on the map.
The video demonstrates four concepts:
(1) the movement of geologic plates through time;
(2) the movements of the oceans through time,
(3) how North America has been repeatedly below and above sea level during its geologic history,
(4) the distribution of Sloss sequences and how they are related to the paleo-geographic map view.
The maps are courtesy of and reproduced with the permission of Professor Ron Blakey, Colorado Plateau Geosystems (cpgeosystems.com). Video is created by Jay Austin, Kris Schwendeman, and Paul Weimer. Interactive Geology Project, University of Colorado-Boulder. igp.colorado.edu
Source: vimeo.com/84255718
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After five minutes of searching on TH-cam, I finally found a video that gets closer to what I wanna see. The history of the geography of our planet and great detail.
One of the best animations of continental drift/plate tectonics geared towards North Americans I’ve ever seen. Nice job!
Best one I have seen. Please share the better ones. Cheers!
It’s definitely not drifting… the point of plate tectonics was to get away from that theory.
People laugh when I say the Rockies are just babies compared to the Appalachians.
Then I say, I wasn't talking height, but age.
Usually they go🤯
Being a neighbor of the La Garita Caldera near Creede, Colorado ~ I enjoyed focusing on how regularly our State was submerged (in geological time) ~ and that at least two submersions came from Arctic Ocean waters coming from the north(!).
Centering on the USA is fine, but doing so can give the impression that our proto-continent was static; "everything else came here and impacted"(?). But my studies include how, when Pangea broke apart, the "early Colorado" (if permitted to label it as such) was located in the current "Indian Ocean" ~ and drifted west, rotating clockwise, and eventually hitting the Pacific plate(s).
In this animation, that westward drift isn't evident: we see the Pacific plates moving east as if waves striking the beach. As hindsight being "20/20" this could be rectified with a composite overlay, showing the actual global voyage of this landmass from the Indian Ocean original* point.
(* "original" = post-Pangea formation)
Very cool; thanks for posting.
That was awesome!
Greeeeaaat! thanks!
thanks for this
Exelent job
Nice!
This is a great video. Whom should I contact about its usage--probably 15 seconds worth or less--in 10 minute video about how the DC area came to be?
Verry good
Would love to be standing where I am right now and go back, 400 million years or so. Just to see what was here.
Thank you
Tge chart on the left represents transgressions (ocen rises) and regressions (ocean lowers) . In the older texts u would see it simplified as a just the left edges of the landmasses as jagged line going in and out (left and right) thats represented in the video.. the line kinda like a opposed mountain range on the left side going up and ages on the left kina like they are now..
AMAZING….WOW
Cool story bro
Seems like it was just yesterday.
Interesting
Silitizia accreted to the Pacific Northwest at around 50-55 million years. This is more or less all of the real estate to the west of I5 from Roseberg Oregon to Port Townsend. It was a basaltic flood province out in the ocean that came ashore courtesy of the Farallon plate. This is not shown and should be fixed. Having said that I am wondering if you showed Vancouver Island and the rest of the Wrangellia terrane coming ashore at around 100 million years?
I'd like to see URLs pointing out the data for 0:54 showing a mountain belt through what is now Louisiana. I found articles years ago correlating Alabama and Argentina fossils. But, nothing on the abrupt end of the southern Appalachian chain.
en.wikipedia.org/wiki/Ouachita_orogeny
@@toughenupfluffy7294 Thanks. Been 4 years! However, it abrupt end of the Appalachian chain correlated to Argentina, not the Gulf Coast, is what I was looking for.
Last ice age: 01:56 Don't blink, it lasted just 100,000 years, or .2 seconds in this video
Woooooow...makes you wonder what happened...
Interesting! But what about Baja BC? Is it in there and I missed it? Good job!
Although there is no Baja BC per se in the animation, you can see how it might've occurred if you watch the northward translation of the Pacific plate (and other plates?) as spreading ridges move north. I'm now more of a Baja BC believer watching this.
Zentnerds assemble.
@@joycefairfield9102 You said it! 😀
Baja California is moving north really fast in geologic time.
What was that at the end? Things that couldn't be mapped out or understood?
Glaciation! The very quick white flash is the ice age about 10,000 years ago. It's kind of wild to see the time scale difference between plate motion and something that we think of as being long ago and a huge global phenomenon. But plate movement is orders of magnitude slower and older. All of human existence is just in the last frame (or so)!
This is really neato. I find fossils of coral, limpets and a bunch of clams and stuff just north of lake Ontario. Its obvious it was once part of an inland sea and I have always wondered how long ago it was like this, or how old those fossils were. According to this, it was last possible something like 300 million years ago? Amazing. If anyone knows better please leave a remark as I'm not even sure where to ask such questions.
Old comment, I know, but I looked up some geologic maps of the Lake Ontario region. It looks like most bedrock on the north shore is from the Late Ordovician, 458-444 million years ago.
Thanks, the comment is still appreciated, though the fossils I find I doubt are just above bedrock. I'm not even sure whether sedimentary rock could be considered bedrock or not. There is a fossil free, thick layer of limestone above the layers where fossils are found, I suppose suggesting some type of event, maybe involving glacial silt/clay. I was thinking 300-350 million years ago was the last time there was an inland sea in the area, from some animations I had seen lately.@@dragonridley
@@jeil5676 Yeah, sedimentary rock is considered bedrock. The deeper igneous and metamorphic rock is called the basement. Limestone usually indicates a shallow tropical sea without much sediment input from land. Generally the rocks in this region get older as you go north because the younger layers were eroded away by glaciers.
I once read that the distance from Vancouver Island in BC, Canada to Mainland Vancouver is decreasing. This would make this theory true. Who carries out these distance measurements?
I just told you.
I have always wondered if any evidence exists that would show the existence of a rift valley forming in the area of Florida as Pangaea split up similar to east Africa today? I have never read about any evidence of associated volcanism in Florida.
Florida looks like it was stretched at a triple junction when Africa and Europe split away during the breakup of Pangaea. From what little I know, I think the Atlantic spreading ridge migrated eastward, away from North America, before the opening of the Gulf of Mexico, making the entire area a passive margin setting without volcanic activity.
Excellent observations!
Extremely fascinating but I guess I'm too dumb to understand it looks like water being pushed up against the land for years and years but I don't get how water turned. INTO land...
what you think are waves are a chain of islands, like Hawaii
calcium dissolved in water precipitates into calcium carbonate deposits (like limestone) when acidity in water is low, many meters of limestone deposition from old oceans thru middle of canada, us, mexico.
The biggest factor of "water turning into land" is climate change. During those periods where water covered much more of the surface of the earth than today the climate was much warmer. There were no polar ice caps at those times so the levels of the oceans were hundreds of feet deeper than they are today. Also, new land is constantly being created and destroyed through volcanism and plate tectonics.
@@BlGGESTBROTHER you are amazing thank you so much
@@ritagonzalez1370 Big picture: The moon tidally flexes the Earth. Cracks opens and close. Dirt falls into cracks, cracks do not fully close. Earth is forced outwards away from the core. Cavities develop underground and water migrates below surface. Volcanoes erupt burning crude oil and building mountains.
You are right to question how large segments of Earth were drowned and then drained. The answer is: meteors - major meteor events that buried Earth. Those tend to flatten the Earth, sending water onto the continents.
It's going to break apart again. Earth is in constant movement and there is nothing you can do about it.
It only broke once. See Neal Adams expanding Earth. No physics are suggested by him, but *all the continents fit together on a smaller globe.*
Um, I am pretty sure no one is crazy enough to believe that they can do anything about the movement of the world's plates ...
@@melodiefrances3898that is until you met me…
Awe, how cute. Next tell them their bones are wet..... 🤣
@@jameso1447Expanding earth is a stupid theory that is not supported by any actual evidence.
Hmm, I don't know guys. But I still think that is hard to know how it was formed. There are other theories related on this. But still, others are trying to solve this mystery.
whats the other theory
So....about Pangea...?
0:53 - 1:14, about 200-300 MYA. You can actually see the breakup of the Pannotia (the supercontinent that existed before Pangea) at the start of the video.
What is that old saw about "assumptions"? Assuming everything looked as it does today is as fallacious as assuming anything else.
Because geologist have no answer on how the continent’s and mountains , they came out on this idea, they had formulated this.. they have to have something to tell the people.. for me , this is totally wrong.
How so?
@@marciano5709 you have no answer. You say something is wrong and then refuse to say why. I hope you reflect with yourself and think about what you really believe.
@@Gabe-d6z do you think that the magma can move trillions of tons of material, the mass of the dry materials is twice or more bigger then the magma, volcanoes is the valve to release pressure, so, how it can move continents? Just because a fossils that they found in different continents, animals can emigrated true the ice, those times the planet was covered by ice mostly.
@@marciano5709 because magma literally creates new crust? It doesn’t push the continents as much as literally extrend them. Do you look at a map of the Atlantic and assume the correlation in the shapes of the coasts are just a coincidence?
@@Gabe-d6z yes,what about the others coast? Doesn’t match any ones. What about Australia Alaska Asia. Geologist need to go deeper on this topic, there’s no way that the mountains was created by tectonics plate, how they formulated make sense, but in reality doesn’t work.
Nice cartoon
Sorry that’s not how it happened.
This is exactly what I was taught...
The earth was bumped by another large object possibly the birth of Venus. You can readily view the impact swath on Google earth. It starts in The Atlantic Ocean cuts across the top of South America into the Pacific Ocean where all these continents were one large land mass at one time. Colossal trees covered this land mass with deep dark prehistoric forests. The story of Noah’s Ark.
Sparkitus Maximus h
Anonymous you were lied to by your teachers.
Science Daddy it’s shameful how people like you think you’re the end all because you’ve been indoctrinated by traditional institutionalization lies and disinformation.
The state borders are distracting and this whole thing looks really stupid as a result since it seems to be an oceanographic-type model overlaid on a map of the US + Mexico has no state borders for some reason, lol.
For some users, the state borders help with identification of the possible context of marine fossils since some regions, identifiable by state borders, were underwater.
And the fact that this is a reconstruction from present meaning where things are now are broken down from what we observe and interpret the past to be. The state borders make perfect since.
Fiction.
I once read that the distance from Vancouver Island in BC, Canada to Mainland Vancouver is decreasing. This would make this theory true. Who carries out these distance measurements?
USGS and CGS, along with many universities and NASA.