New answers tagged plate-tectonics
4
The reason that you have not seen any diagram showing the position of the continents 10K years before present (ybp) is that the plates move so slowly that there would not be a perceptual difference on the scale of a world map. The Atlantic is spreading about a half centimeter per year. So 10,000 years will have moved Europe away from North America by 5000 cm,...
3
Don't be mislead by the subaerial part, it is actually a ridge on a large scale but neither the lava production rate nor erosion rates are constants. That leaves the ridge with higher and lower parts, as well as gaps. Furthermore reef building biocenoses change shape and appearance of the eroding volcanic edifices.
Hawaiian (and other like for instance the ...
-1
If I look at Google Earth imagery, it is not just the Hawaii Emperor Seamount Chain, but also those of Louisville Hotspot Chain and Society or Pitcairn Hotspot Chains show a slight bend , the Louisville Chain shows a more 'graceful' bend like a gradual 30° bend and Society or Pitcairn somewhere like 40° bend and the Hawaii emperor seamount chain shows a more ...
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