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Continental drift, Pangea, and the Cambrian explosion
Posted on 5/13/18 at 9:04 am
Posted on 5/13/18 at 9:04 am
Ok, all continents were connected at one time in a mass called Pangea. Then the continents started to drift to there current positions via continental drift and plate tectonics.
There are fossils of different species that have been found across different continents, so the continents were connected relatively recently (geologically speaking).
My question is, what was going on with the continents prior to the Cambrian explosion?
For the majority of the earths existence, what were the continental plates doing?
There are fossils of different species that have been found across different continents, so the continents were connected relatively recently (geologically speaking).
My question is, what was going on with the continents prior to the Cambrian explosion?
For the majority of the earths existence, what were the continental plates doing?
20
Posted on 5/13/18 at 9:05 am to white perch
quote:
For the majority of the earths existence, what were the continental plates doing?
Probably recycling through subduction.
Posted on 5/13/18 at 9:06 am to white perch
I think you answered your own question.
Posted on 5/13/18 at 9:06 am to white perch
quote:No fricking way!
Ok, all continents were connected at one time in a mass called Pangea. Then the continents started to drift to there current positions via continental drift and plate tectonics.
Posted on 5/13/18 at 9:11 am to white perch
The Book of Genesis, bruh
Posted on 5/13/18 at 9:11 am to white perch
quote:
all continents were connected at one time in a mass called Pangea.
yea... and the Earth is flat
Posted on 5/13/18 at 9:12 am to RogerTheShrubber
What came before pangea? Was all of earths surface land always concentrated in one location (a lop sided earth) or where the continents separated, drift together to form Pangea, and then drift back apart? Given a geologic time scale, this could have already happened several times.
Posted on 5/13/18 at 9:17 am to white perch
The entire land mass was called Wakanda, not Pangea, dummy.
Your entitlement bias game is mighty skrong.
Your entitlement bias game is mighty skrong.
Posted on 5/13/18 at 9:26 am to white perch
Posted on 5/13/18 at 9:37 am to white perch
quote:
For the majority of the earths existence, what were the continental plates doing?
Building from collision upon collision of island arcs (think Japan and Alaska's Aleutian islands). When these collide the plates that subduct partially melt, giving an altogether different rock type, one that normally comprises continents.
Plate tectonics have been active since the Earth cooled from a molten state about 0.5 billion years into it's history.
Do know that Pangea is ~300 after the Cambrian explosion.
This post was edited on 5/13/18 at 9:38 am
Posted on 5/13/18 at 9:41 am to Pectus
^ (Like he would know ANYTHING about Geology)
Probably looked that stuff up just now on WikiRocks...
Probably looked that stuff up just now on WikiRocks...
Posted on 5/13/18 at 9:42 am to soccerfüt
quote:
^ (Like he would know ANYTHING about Geology)
Probably looked that stuff up just now on WikiRocks
Yeah, but who wrote WikiRocks?
Posted on 5/13/18 at 9:45 am to white perch
Your answer is found in noting the similarity of structure.
Posted on 5/13/18 at 9:49 am to Pectus
quote:Damn.
Yeah, but who wrote WikiRocks?
Posted on 5/13/18 at 10:12 am to white perch
Posted on 5/13/18 at 10:31 am to Notro
quote:
Notro
Thank you. That pretty much answers my question.
Posted on 5/13/18 at 10:44 am to white perch
That was Wakanda.
Posted on 5/13/18 at 10:53 am to Notro
My main question is that it seems like a lot of that is speculation. What proof is there of all these earlier continents and how they started from the beginning? Or is it just all theory and not proven
Posted on 5/13/18 at 10:57 am to NorthShoreTiger44
quote:
Or is it just all theory and not proven
I don’t think you know what theory means in science
Posted on 5/13/18 at 11:03 am to NorthShoreTiger44
quote:FIFY
Or is it just all hypothesis and not proven
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