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Post by 1dave on Jun 2, 2018 14:29:37 GMT -5
grumpybill Just pointed out wattsupwiththat.com/2018/05/the-mystery-of-upheaval-dome-uniformitarian-impact-craters-part-quatre/A well researched article on Upheaval with great maps, photos, diagrams, etc. THANKS BILL! There are a few areas David Middleton didn't get into, like the shock waves, air blast, fallout, but otherwise an exceptional presentation! A Question. With the impact head start, why hasn't the Paradox Salt made it to the surface during the past 150 million years?  Why the circular concentration of vanadium, uranium, tantalum, niobiom, etc. AND what is with the nearly straight course of the Colorado River PARALLELING Robert's Rift?
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Post by grumpybill on Jun 2, 2018 14:41:48 GMT -5
The author of that article would accuse you of "drawing cartoons on a Google Earth photo". <laughing>
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Post by mohs on Jun 7, 2018 13:56:27 GMT -5
With the upheaval & impacts of the recent volcanic events
it would be interesting
to our 'big history' enthusiasts to note
the Toba SuperVolcano event
that occurred 75,000 years ago.
Theorized -- is that the Toba event just about wiped out
Homo Sapiens existence.
from the black out of the sun and sulfuric acid content of the cloud.
Perhaps initiating a mini Ice Age?
Of course all this is contentious
Nonetheless us Homo sapiens narrowly escaped this cataclysm
were all so lucky
mostly
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Post by grumpybill on Jun 8, 2018 7:47:24 GMT -5
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Post by mohs on Jun 8, 2018 8:52:48 GMT -5
Thanks for the link Bill!
It was a close call
Mohs
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Post by 1dave on Jun 8, 2018 10:18:06 GMT -5
What about the carbon dioxide released?
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Post by grumpybill on Jun 8, 2018 13:11:48 GMT -5
If there was a "volcanic winter" there must not have any release of CO2. [/sarcasm]
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Post by mohs on Jun 8, 2018 13:20:09 GMT -5
Yep
The Toba SuperVolcano event led to a ‘volcanic winter’.
CO2 wasn’t the problem. It was the sulfur dioxide.
Super volcanoes are on whole different scale than the local volcano disasters were currently experiencing.
The blast was so massive, and the ejected material so abundant (especially sulfur dioxide) it saturated the upper atmosphere.
The force of these escaping sulphur dioxide gasses aerates into the stratosphere. This causes an albedo effect.
Which as something to do with the sun rays/radiation
being deflected from the earth.
This can lead to global cooling.
That was the threat to Homo's 75,000 years ago.
It got cold and dark fast.
Luckily we dodged the bullet.
How? Is still debatable...
Cannibalism might have been practiced
If a super volcano were to occur in our modern age initiating another 'volcanic winter'
we would be in much better shape to battle the ensuing cold spell.
Due to our ability to burn vast amount of resources, to keep our selves warm.
The amount of greenhouse emission (CO2’s) would balance the albedo effect.
mohs
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Post by 1dave on Jan 5, 2019 18:29:26 GMT -5
I just got schooled on the Upheaval Crater. Dated 2002 - I should have found this long ago. www.lpi.usra.edu/meetings/lpsc2002/pdf/1037.pdfNOTE the narrow White Rim Permian Sandstone Layer!  I added some information.  References:[1] Kriens, B. J. et al.(1999) JGR, 104,18867–18887. [2] Dahlstrom, C. D. A. (1969) Can. J. Earth Sci., 6,743-747. [3] Shoemaker, E. M. (1984). LPSC, 15, 778-779. [4] Kenkmann, T. and von Dalwigk, I. (2000) Met Planet Sci Lett., 35, 1189-1201. [5] Schultz, P. H. and Anderson, R. R. (1996) GSA Spec. Pap., 302, 397-417. [6] Kenkmann, T. (2001) Geology, in press |
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Post by 1dave on Jan 6, 2019 14:52:35 GMT -5
Kenkmann (above) is wrong on the time of the impact. It occurred during the Jurassic Morrison. Shock waves rippled the sandstone and forced water out for hundreds of miles around.
Above the Salt Wash Member the rock layers are perfectly flat.
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Post by 1dave on Jan 7, 2019 2:23:52 GMT -5
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Post by 1dave on Jan 7, 2019 10:58:59 GMT -5
The Upheaval Fall-out contains important information about comet formation!  |
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