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But its movements relative to what? There is no fixed point on the Earth's surface: the continents wander and the sea-floor is wholly replaced and subsumed at roughly 200 million year intervals. The selection of Greenwich for the zero meridian is a convenience, not a reflection of reality.I've assumed that the wealth of evidence for the existence of Pangea can also be applied to reverse engineer its movements over time
Its movements relative to the current known positions of its components.But its movements relative to what? There is no fixed point on the Earth's surface: the continents wander and the sea-floor is wholly replaced and subsumed at roughly 200 million year intervals. The selection of Greenwich for the zero meridian is a convenience, not a reflection of reality.
Like you I have a nagging doubt that I might be missing something and invite suggestions as to what it is.
That would be 137,000,000 years ago this coming Thursday.So it moved 559,300,000 cm @ 2cm/year for 120-130 million years?
That would be 137,000,000 years ago this coming Thursday.
JK It only looks that old because everything was created at the same time 6214 years ago but God simply made it look like it was a lot older to give geologists something to do .
(Yes, I'm back. Had to make a quick trip to South London (England) to encourage my favorite football team.)
My point is that to determine latitude and longitude, we need a FIXED point of reference on the Earth. Given that Earth's crust is constantly moving (tectonic drift), and that the magnetic pole changes regularly as well, I don't see how anyone can possibly point to a single fixed point on the Earth's surface that can be used as a point of reference.I'm not sure what you're asking.
If it's about the latitude and longitude of Pangean India, I took it from the map below published in Live Science (see post #49).
I have assumed the latitude and longitude figures are based on scientific study of continental drift along with analogous landforms, climate and botanical zones which shows how things "fitted together" over time as well as approximate past locations relative to the current locations of Pangea's bits.
View attachment 343575
Pangaea: Discover facts about Earth's ancient supercontinent
Pangaea is Earth's most recent supercontinent, which existed 320 million to 195 million years ago.www.livescience.com
OB
A 'fixed point' might be the intersection of the shown bisecting, orthogonal axes in the rough diagrams of both eras.My point is that to determine latitude and longitude, we need a FIXED point of reference on the Earth. Given that Earth's crust is constantly moving (tectonic drift), and that the magnetic pole changes regularly as well, I don't see how anyone can possibly point to a single fixed point on the Earth's surface that can be used as a point of reference.
How can we note that?A 'fixed point' might be the intersection of the shown bisecting, orthogonal axes in the rough diagrams of both eras.
We can note the symmetry of the shape of the diagram hasn't changed over time(?)
Your opening question reads like:Thank you for confirming what I suspect:
1. It's not taught in academic circles.
2. Academia doesn't know where it started.
And that's because it didn't start out in the ocean and move anywhere.
Your opening question reads like:
"I want scientific proof that you have a nose. But I don't want you just to send me photos - as they could be photoshopped or faked. Therefore, your nose is not true."
I mean - why would anyone bother? Just wince a little at it all - and go to another thread.
Sure .. but that'd sort of defeat the whole point of the exercise, wouldn't it(?)But there's nothing there to show that one diagram isn't rotated completely different to the other.
The exercise depends on being able to state that two points on the Earth's surface are the same after billions of years. I'm just asking how that is determined. Until then, the exercise is based on an assumption.Sure .. but that'd sort of defeat the whole point of the exercise, wouldn't it(?)
I think that whenever a set of axes are 'imposed', (and co-ordinates assigned), Inference plays the key role .. (So there's my overall take on an answer to your question there).The exercise depends on being able to state that two points on the Earth's surface are the same after billions of years. I'm just asking how that is determined. Until then, the exercise is based on an assumption.
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