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When I first noticed the ignimbrites in the Chihuahuan desert it was the clear patterns of unimaginably violent motion in them that captivated me. I knew that whatever the experts had to say about them. There was nothing in standard theory that could believably account for the power, and violence, of the simultaneous explosions these thousands of cubic miles of blast effected materials described.
The Maps call the material ordinary volcanic tuff. But when you backtrack the flows you find no vents.
The patterns of movement describe very fast explosive motions like impact ejecta, and melt. But we find no craters when we backtrack the flows either.
Some ejecta I found that had been tossed around
was waiting for someone to assess.
That 'twas up in the air, before it got tossed there.
What tossed it I had not a guess.
Strange and quite queer. No volcano was near.
Or round crater to account for the mess.
How rude and sore cruel. To break every rule,
And lie in plain sight n'er the less?
 Think of mud splattered on concrete driveway only bigger.
These pristine iignimbrites of the Chihuahuan desert are a detailed study in the fluid motions of rivers of melted stone. All of the melted, flowing, splashing, colliding, motion in this picture, every single pebble of it, was in motion at the same time. And from beginning to end we are only looking at a few short seconds. And, as fast as the motion was, everything re-solidified suddenly like a perfectly preserved snapshot in time of the motions of the flows.
Take your time and just look at this for a minute. Click on the picture to enlarge it. The Latitude and Longitude are in the bottom the image. we see 1/4 mile wide blobs of melted stone that flew from the direction of the ring structure at Manuel Benivides many miles away. Only to land in the middle of high speed ignimbrites moving as fast flowing rivers of melted stone which were colliding, and inter-flowing, from many different directions. The ignimbrites, and melt bombs, solidified in mid flow so they are all a clear, freeze-frame, snapshot in time. And an amazing study in exquisite detail of the motions, and directions of the high speed flows.
Even If we ignore everything else and focus only on describing just the energy and destruction, implied in fluid motions of the melted stone in the hundred or so square miles shown in this image we will have succeeded in describing one of the most violent geological events ever known. And yet it was only a minor footnote in the events of that day. In fact, this is some of the milder effects to be found in more than 40,000 square miles in central Mexico alone. It's really very typical, ordinary, stuff.
The pristine condition of the the ignimbrite flows, and melt bombs you see in these images make it easy to follow any part of it back upstream to its source location. Anyone with a good pair of eyes can see that the heat, and pressure to melt, and blow these flows of melted stone around came from above. The melted, flowing, and still perfectly preserved, materials did not come out of the ground in an eruption millions of years ago. They were melted right out on the surface and blown from their source locations very fast by unimaginably powerful, and violent, above ground, atmospheric events, only a few thousand years ago.
In Mexico alone there are tens of thousands of square miles of this stuff. All mis-identified on the maps as volcanic. The beginnings of the answers to the single most destructive mass extinction event since the demise of the dinosaurs are laying in such plain sight, and in such good condition, that almost anyone can find the pieces and work out what happened.
 Whatever did this didn't form an impact crater because all of kinetic energy was translated to heat and pressure in the atmosphere. And it hit the ground as supersonic, downdrafts hotter than the surface of the sun. Events like this of sufficient size to smash a mountain on the moon will react unpredictably with our atmosphere to do even more harm here. Either way the mountain is history. But here it doesn't get broken, or smashed, and re-cycled into a crater as we thought. Instead, it very quickly, and violently, just melts, and blows away.
The oval shaped clearings in the splashes of flash melted stone are a mile or more wide.
 .
 This one is another perfect match for Mark Boslough's thermal airburst impact simulation. The patterns of movement in the ignimbrites around the mountain in this image show very clearly that they originated from the mountain ridge.
Impact melt is some times misidentified as volcanogenic. But if you click on the image for an enlarged view you can clearly see in the patterns of flow that the melted stone was blown away from a central structure that consists of uplifted, and ablated, meta-setimentary rock. It's not a volcanic vent at all.
In the chevron shaped shaped splashes of stone we see surround much in common with the patterns of movement in ejecta. But the subtle differences are telling too. These materials moved as fast as impact ejecta from a crater. But where the motion of the ejecta from a crater is a balistic arc, up, and out of the crater, The material movement here is caused by pressure forcing it down, and away. The central uplift is produced as a rebound effect much like the central peak of a crater.
 At the base of the mountain on the right we see surges of melt blown away away from the mountain like ejecta curtains. The force that melted it also provided considerable pressure to force the material away at the base. Since there are flows on the opposite side of the mountain. And also flowing away from it. We can also know know that the heat and pressure came from above. Standard geology can't explain this mountain formation process. This mountain wasn't eroded to its present form by ages of wind and rain. It was ablated and sculpted to this form in seconds by the heat, and pressure, of an over head blast of impact plasma.
 As we look a little closer we see the evidence of the upwards flow at the center of impact downdraft's vortice in the deep V shaped excavations in the mountain's sides that get wider at the top. And center of the flow.
 We can easily, and conclusively in the out wards radial pattern of flow see where the clasts, and melt flows around the mountain on the left flowed from. And it is not a volcanic vent. The lines of flow in an unconfined and driven fluid are always away from the driving force even . The obvious radial patterns of flow in the melt surrounding this mountain make it perfectly clear that the source of heat and pressure was from above.
This is typical of almost all of central, and northern Mexico
It only took two, or three exploding comet fragments to blast these two small mountains beyond all recognition of their previous forms. And the total number of them that fell on North America that day was too high to count. But it must have numbered in the tens of thousands. And yet, like these, every single melt formation on the continent that resulted from the impact plasma firestorm they caused has been mistakenly identified as volcanic. And the un-weathered, un-decomposed, pyroclasts have been mis-dated, and their ages overestimated in many places by orders of magnitude.
 The events of that day were probably caused by a large, but loose, cluster, hundreds of miles wide, of highly ionized comet fragments and dust. They came from the south and hit the atmosphere at a low angle. And each of the larger fragments added megatons more energy to an impact plasma storm that devastated the continent. And as catastrophic as it was, there is also a terrific amount of evidence comming to ligtht that the events on Earth that day were only small part of an event that effected the entire solar system.
 Each one of the clearings in the rivers of fast flowing, melted stone represents another downdraft from a comet fragment exploding above. And the flow directions, and patterns of flow of the rivers of melted stone, and their sources are perfectly obvious.
The scale and power of this event defies the comprehension, and imagination, of one who can only see it from the ground.
 The general flow of the rivers of melted stone is from the bottom left in this image. The source of heat and pressure that cleared patches in the fast flowing melt did not come out of the ground. The heat and pressure that melted all that rock, and set to moving so fast didn't either.
 We see in this closeup the condition of the pyroclastic flows. It is also clear that this were very fast moving flows. And because of the scale of the flows it isn't so obvious at ground level what their true nature or source is. But you don't need to get much altitude at all for the flows to be as easy to read as spilled paint.
Nearly all of the ancient volcanic vents, and dormant plugs of magma in the region are blasted smooth and level with the surrounding terrain like knots in a sanded board. And they are supposed to have last erupted anywhere from 18 to 30 million years ago. They were victims of the impact storm just like every place else in western North America that day. They are too few, too far apart, and far too long ago, to account for tens of thousands of square miles of random ignimbrites, fast flowing rivers of melted stone, and rock melt formations that show no sign of weathering or decomposition at all. From the excellent condition of the clasts, and other melted stone formations on the continent it is more likely that the event that blasted them all from above with so much violence along with the rest of the surrounding terrain must have only happened a few thousand years ago. And is in all probability, the very same firestorm event that is thought to have killed most of the life on this continent about 12,900 ago and triggered a return to Ice age conditions that lasted another thousand years called the Younger Dryas Cooling.
It didn't create a crater. But never the less, it was a major, mass extinction level, impact event. And it happened just as abruptly, and violently, as you would expect. This was a very, very, fast burning, and powerful, Multiple airburst thermal impact storm. And nearly everything, everywhere, in a swath of destruction half a continent wide from Mexico all the way up to the Arctic ocean was exploding, burning, blasting, melting, and flowing all at once.
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