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originally posted by: LABTECH767
a reply to: Byrd
Right so there have not been at least two former super continent's, Pangea and Gondwanaland and several other's, potentially seven of eight one of which may be the bed of the Pacific as the earth seperated it's chemistry and our current and more stable continent's (richer in aluminium than the ocean plate's) formed.
As you know our continent's are one of the former super continent's as they were called which broke up due to plate tectonics's.
Explain the sudden thaw at the end of the last ice age (unless you are a propronant of the celstial impact theory in which the idea that a large asteroid, comet or even meteor impaced the ice sheet and caused global warming or the solar cycle theory which is based on current modelling of solar cycles in which the output of the sun is seen as variable and it can both output more and less heat, quite plausible for the snow ball earth period but if the cycles are shortening so fast then there is something wrong with our star or it has built up far more helium in it's core than it should have).
What about the Mass extinction's of fauna that had weathered several previous glacial and inter glacial period's or the apparent weather shift in the northern siberian region.
originally posted by: LABTECH767
a reply to: Harte
First of all Heart as far as Solon is concerned, I am not a historian that is your forte.
www.atlantis-today.com...
But that said There was a link or is claimed to have been a link between these two Greek Scholars.
Now History has not disproved such a link has it, if it has then show us the research disproving the link between Solon and Plato (not that I would find that interesting as it is more the Geology that I am interested in here).
originally posted by: Marduk
Plato states in Timaeus
Then listen, Socrates, to a tale which, though strange, is certainly true, having been attested by Solon, who was the wisest of the seven sages. He was a relative and a dear friend of my great-grandfather, Dropides, as he himself says in many passages of his poems; and he told the story to Critias, my grandfather, who remembered and repeated it to us.
So Solon was related to and a friend of Plato's great grandfather, not his mentor...
originally posted by: LABTECH767
Explain the sudden thaw at the end of the last ice age
What about the Mass extinction's of fauna that had weathered several previous glacial and inter glacial period's or the apparent weather shift in the northern siberian region.
It wasnt that sudden and it appears to have be no different to the thaws at the end of the previous Glacials.
.
The real mystery (if there is one) is the reversion to colder conditions known as the Younger Dryas.
One of the prominent features in sediment sequences formed around the Allerød-Younger Dryas transition (c. 12.9–12.8 ka bp) in North America is a dark layer of organic-rich material, i.e. the black mat. The black mat sequences in southeast Arizona contain a thin sandy basal layer corresponding to the lower Younger Dryas boundary. ...........The black mat samples and samples of the underlying host sediments display compositions similar to the average continental crust, while the sediments from the lower Younger Dryas boundary are enriched in rare earth elements, Ni, and Co whereas Ta, Nb, Zr, and Hf are depleted relative to the rare earth elements. Such a difference in compositions between the lower Younger Dryas boundary sediments and other sediments points to a short enigmatic event, which changed conditions of sedimentation just before the onset of the Younger Dryas cooling. The presence of products of biomass burning of still unknown origin is suggested on the basis of trace element features of sediments from the lower Younger Dryas boundary.
originally posted by: LABTECH767
As for the ice age taking thousand's of years to end, that is not a proven fact,
... how many cataclysmic event's such as the north American ice damn occured
... or if there were similar event's elsewhere,
...how much it desalinated the sea water of the north Atlantic and slowed the atlantic conveyor as a result.
And Siberia does play a part, Hapgood's idea offered an explanation even if it was wrong and therefore it's explanation is now bunk but how can we explain these large animal's and other mild climate dependant fauna living and eating in an environment we would not expect to find there at that time while much more southerly part's of neighbouring Europe were still in the grip of there then presumably retreating ice sheet's,