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(BBC)   Plate tectonics is 50 years old. Submitter is 50 years old. Therefore, submitter is one of the great scientific discoveries of the 20th Century   ( bbc.co.uk) divider line
    More: Interesting, plate tectonics, plate tectonics theory, Dan McKenzie, Geological Society, great scientific breakthroughs, sea floor, coherent narrative, truly great ideas  
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610 clicks; posted to Geek » on 03 Oct 2017 at 12:50 PM (41 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»

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2017-10-03 11:43:30 AM  
7 votes:

Merltech: So no person before looked at a world map and wondered if all the bits could be jammed together?

The concept of continental drift existed before plate tectonics was developed - it just made sense for the reason you mentioned. Nobody could agree on why, though. They were also distracted by the creative explanations for fossilized sea shells on the tops of mountains, etc.

Luminiferous Aether was the explanation de jour for how light worked until it started falling apart as a theory at the end of the 1800s. Caloric Theory was one explanation about how things burned, for a while. The Steady State Theory was competing with the Big Bang Theory. Science is always about challenging the existing order if things don't make sense.

Fun read: https://en.wikipedia.org/wiki/Superseded_scientific_theories
2017-10-03 01:21:57 PM  
5 votes:
How to tell some seriously long term farkery has been going on with the rocks.

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2017-10-04 01:01:17 PM  
2 votes:

SVenus: [many eons ago...] I was taught Petrology as part of my Geology degree by a professor who received a PhD from Johns Hopkins who steadfastly and vehemently denied plate tectonics as it was proposed. He denied the mechanism.

Since he made his course exceedingly hard and he was otherwise terribly boring, members of my class would seek to bring up the topic to distract him. It worked. Damn topic triggered the crap out of him.

I'm guessing your professor was more of a 'geosyncline' kind of guy.
I had a professor who did not dispute tectonics as such, just wanted the theory to be around a bit longer and accumulate some more acceptance/evidence. He was not easily swayed by 'fads'.
2017-10-03 02:29:32 PM  
2 votes:
Spindle   . . .
img.fark.netView Full Size

Ummm, Sideling Hill, Route 68?

I remember my 6th-Grade Teacher explaining this wacky new theory of plate tectonics back in '66, so she was ahead of her time by one year.
2017-10-03 01:19:10 PM  
2 votes:
Happy birthday, subby!
2017-10-03 06:50:12 PM  
1 vote:
Read Simon Winchester. Especially this, then read Krakatoa and The Map That Changed the World.
2017-10-03 03:44:22 PM  
1 vote:
50 or more? Yes

To quote wikipedia "But without detailed evidence and a force sufficient to drive the movement, the theory was not generally accepted: the Earth might have a solid crust and mantle and a liquid core, but there seemed to be no way that portions of the crust could move around"

Also " The British physicist P.M.S. Blackett provided a major impetus to paleomagnetism by inventing a sensitive astatic magnetometer in 1956. His intent was to test his theory that the geomagnetic field was related to the Earth's rotation, a theory that he ultimately rejected; but the astatic magnetometer became the basic tool of paleomagnetism and led to a revival of the theory of continental drift.
2017-10-03 02:28:12 PM  
1 vote:
Plates are flat
The earth is a series of plates
Therefore the earth is flat
2017-10-03 02:11:38 PM  
1 vote:
The Geo department was known for years for their annual t-shirts that played with this concept.  "Subduction leads to orogeny: Your plate or mine" was one of the best.
Bio majors responded with "Seduction leads to Ontogeny"

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2017-10-03 01:37:58 PM  
1 vote:
I wish I could have found a vibrant color picture. The difference in coloring in these striations is incredible.

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2017-10-03 11:42:00 AM  
1 vote:
Also, Ray Charles is God.
2017-10-03 09:54:26 AM  
1 vote:
So no person before looked at a world map and wondered if all the bits could be jammed together?
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