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Geologists have also found that some of the larger upright fossil trees found within Carboniferous coal-bearing strata show evidence of regeneration after being partially buried by sediments. In these cases, the trees were clearly alive when they were partially buried by sediments. The accumulated sediment was insufficient to kill the trees immediately because of their size. As a result, some of them developed a new set of roots from their trunks just below the new ground surface.
The primary productive geologic unit is the Cretaceous-age Woodbine Formation, a regional petroleum-bearing unit which had been known since the early part of the 20th century. This sandstone unit was deposited during a period when East Texas was a shallow sea, approximately 100 million years ago. During a subsequent period it was uplifted with the Sabine Uplift, eroded, and then covered again by the sea, which this time unconformably deposited a layer of impermeable chalk, the Austin Chalk, creating a stratigraphic trap – a situation where oil, which is lighter than water and migrates upwards, reaches a point where it can move no farther, and pools. The source rock for the oil in East Texas is the overlying Eagle Ford Shale.
So if mud can turn to stone so quickly, why are the geological layers believed to be so old?
Much of the granitic rock belongs to the distinctive tonalite–trondhjemite–granodiorite family of rocks, which are characteristic of Archean continental crust. Many of Canada's major ore deposits are associated with greenstone belts.
One of its great advantages is that any sample provides two clocks, one based on uranium-235's decay to lead-207 with a half-life of about 700 million years, and one based on uranium-238's decay to lead-206 with a half-life of about 4.5 billion years, providing a built-in crosscheck that allows accurate determination of the age of the sample even if some of the lead has been lost.
originally posted by: cooperton
The evidence for this comes from the way that sedimentary rock is formed.
originally posted by: Ohanka
What happened to all the flood water then?
The one thing we know for sure from geology is that a global flood never happened," said David Montgomery, a professor of geomorphology at the University of Washington in Seattle and author of "The Rocks Don't Lie: A Geologist Investigates Noah's Flood" (W. W. Norton & Company, 2012). "If you look at it as literally a global flood that covered the world's highest mountains, I'm sorry, there's just not enough water on Earth to do that," he told Live Science.
If the "heavens" opened and all of the water in the atmosphere came down at once as rain, the planet would be submerged — but only to a depth of about 1 inch (2.5 centimeters), according to the U.S. Geological Survey. That's not enough water to justify a canoe, let alone a massive ark.
But what if more than the water in the "heavens" were considered? If all the world's glaciers and ice sheets were to melt, then sea levels would rise by more than 195 feet (60 meters), according to NASA, which would add a bit more water. Moreover, a 2016 study published in the journal Nature Geoscience estimated that there's 5.4 million cubic miles (22.6 million cubic kilometers) of groundwater stored in the upper 1.2 miles (2 km) of Earth's crust, which is enough to cover the land to a depth of 590 feet (180 m). That's a lot of water, but there are cities thousands of feet above sea level, and Mount Everest, the highest mountain on Earth, is more than 29,000 feet (8,849 m) above sea level. On top of that, geologists don't see evidence for a global flood in the rock record.
originally posted by: ThatDamnDuckAgain
The water could have been inside Earth, pushed out ....
After the flood, the animals on the ark would have faced extreme difficulties. Populations of less than 20 members are almost certainly doomed to extinction.[36] After the ark, there would have been 2 of most animals and 7[note 3] of a few select mammals plus 14 of all birds.[37] These animals would have faced some of the harshest conditions the world has ever known. A flood of 376 days[38] would have killed all plant life, while ocean currents between 40 to 80 meters per second would have swept everything away and buried the earth under a layer of sediment.[35] That's not even considering how long it would have taken the waters to recede. Because the entire planet is now water, the floodwater can't drain anywhere, and can only be removed with evaporation. Based on the 2mm/day evaporation rate of water, it would have taken *4 billion and 420 million* days for the floodwaters to all evaporate. If the earth is covered in water for 12.1 million years, everything we know and love as an animal is most definitely dead, including Noah.[39]
The post-flood herbivores would have had absolutely nothing to eat; most of them would have starved to death. Creationists claim that the great flood deposited meters of sediment all over the earth.[40] Seeds heavier than silt particles would have been the first to settle, buried far deeper than the few inches of depth that seeds need to sprout.[20] The few seeds that did get buried close enough to the surface to sprout would not provide nearly enough vegetation to sustain every herbivore on the ark. Many animals feed on large trees or their fruit, so these would have to fast a long time after the flood ended.[note 4]
The carnivores and omnivores on Noah's Ark would have a viable source of food, for a while at least: the other animals on the ark. The carnivores and the omnivores would have quickly eaten all the herbivores and then within a couple of months would turned on each other (The carnage!) and also eventually have starved to death. The creationist explanations for this make no sense; they claim that carnivores ate corpses, fungi, and even vegetables! Animals will rarely eat corpses more than a month old. The claim that these animals would have gladly eaten corpses that were over a year old and most likely buried under meters of sediment is beyond reason. Most carnivores are unable to eat vegetables (if it were then it would already be a part of their natural diet and thus they wouldn't be carnivores in the first place), and fungi do not grow too prolifically in the Middle East.
After the floodwaters subsided, the animals would have had severe trouble finding fresh water and would have died of dehydration. The flood would have salinated the soil, so all water runoff would have had high concentrations of salt. Most animals, unless they are specially adapted, cannot and will not drink salt water.[41]
The survivors of the ark would also have faced extreme difficulties breeding. The flood would have destroyed the structures necessary for reproduction. Avian species like the eagle require high trees to make their nests in.[42] These would not exist for many years after the flood, by which time the reproductive fitness of the birds would have deteriorated, leading to the extinction of that kind.
originally posted by: Kurokage
There have been no mass extinction events that come close to our time on Earth. None.
originally posted by: Kurokage
The majority of flood myths like Atrahasis, Utanapishtim and Noah are a story heard and passed on through cultural adoption by groups over generations from the Sumerians, Babyalonians to eventually the Isrealites, changing the 'Hero' chosen by God to their cultrual identity.
originally posted by: ThatDamnDuckAgain
a reply to: cooperton
You are ignoring the possibility of continental plates rising or sinking. The water could have been inside Earth, pushed out and caves breaking in etc, too.
In fact we really do not have a clue what is under our feet, it's unproven theories. Unproven because the deepest we to see with our own eyes, is around 4km into Earth. Beyond that, we really don't know for sure. We can take measurements and interpret them, but beyond that we have no idea.
Even the deepest bore holes that are around 10km is just a scratch on the surface.
So cars do not run solely on dead Dinosaur-juice, but possibly also dead human juice?
I like that thought. To be sent into a -preferably- turbocharged inline six cylinder and ignited after I turned to oil, refined to 102 octane, after the next extinction event, when they reinvent the ICE again.
Makes me want to reconsider getting burned to ashes, I rather burn in an engine.
originally posted by: Degradation33
a reply to: Degradation33
But back to the premise, which i critiqued wrong. I got too distracted by just assuming it was something out of context to explain creationism again.
There's just so much misused here, I took too sarcastic of an approach..
I want a do-over that doesn't backfire.
*** Reset ***
Like petroleum deposits. These are created by millions of years of pressure, tectonic motion, and crust replacement.
There is nothing suggesting a global flood in the East Texas Oil Field, unless the flood means East Texas was an underwater continental shelf that looked like this:
"The primary productive geologic unit is the Cretaceous-age Woodbine Formation, a regional petroleum-bearing unit which had been known since the early part of the 20th century. This sandstone unit was deposited during a period when East Texas was a shallow sea, approximately 100 million years ago. During a subsequent period it was uplifted with the Sabine Uplift, eroded, and then covered again by the sea, which this time unconformably deposited a layer of impermeable chalk, the Austin Chalk, creating a stratigraphic trap – a situation where oil, which is lighter than water and migrates upwards, reaches a point where it can move no farther, and pools. The source rock for the oil in East Texas is the overlying Eagle Ford Shale."
geological layers ARE old.
Radiometric dating not based on organic material is how they know The granite of The Canadian Shield is the oldest rock in North America.
Upright fossils aren't a product of global floods. They are just found in sedimentary environments. Like River deltas and stratovolcanos. But the existence of upright fossils and dykes, even rapidly formed ones, does not lend to a global flood as caused.
Tell me how they can date these extinction events with certainty then. I'll save you some time, they rely on vast speculation and you're not going to be able to find an unambiguous answer.
Mass extinctions were first identified by the obvious traces they left in the fossil record. In the strata corresponding to these time periods, the lower, older rock layer contains a great diversity of fossil life forms, while the younger layer immediately above is depauperate in comparison. Often, the rock layers bookending the mass extinction are noticeably different in their compositions. These changes in the rocks show the effects of environmental disturbances that triggered the mass extinction and sometimes hint at the catastrophic cause of the extinction.
Such dramatic changes in adjacent rock layers make it clear that mass extinctions were geologically rapid and suggest that they were caused by catastrophic events (e.g., a period of intense volcanic activity).
The fossil record of the mass extinctions was the basis for defining periods of geological history, so they typically occur at the transition point between geological periods. The transition in fossils from one period to another reflects the dramatic loss of species and the gradual origin of new species. These transitions can be seen in the rock layers.
originally posted by: ThatDamnDuckAgain
a reply to: cooperton
Yes, despite that it could have been a world wide tsunami, or even just local one, in the small world back then. This would sufficient explain why water came so fast, lingered around for a while but eventually drained off to the oceans again and some evaporation, too.
Earth is constantly changing, we just don't notice it as much, because of our relative small lifespan and we are just developing methods to look into the past since the last century.
originally posted by: Kurokage
Something called the fossil record....
evolution.berkeley.edu...
Mass extinctions were first identified by the obvious traces they left in the fossil record. In the strata corresponding to these time periods, the lower, older rock layer contains a great diversity of fossil life forms, while the younger layer immediately above is depauperate in comparison. Often, the rock layers bookending the mass extinction are noticeably different in their compositions. These changes in the rocks show the effects of environmental disturbances that triggered the mass extinction and sometimes hint at the catastrophic cause of the extinction.
Such dramatic changes in adjacent rock layers make it clear that mass extinctions were geologically rapid and suggest that they were caused by catastrophic events (e.g., a period of intense volcanic activity).
Graham Hancock though has been huge in at least bringing it into discussion to the mainstream.
originally posted by: Kurokage
What? Dino's are millions of years old, not thousands? Posting a report from religious nutjobs is not science....
originally posted by: Kurokage
Graham Hancock has very few scientific credentials other an undergraduate degree in sociology, with no education in astronomy, geology, history, archaeology, or religion and mythology.
originally posted by: Kurokage
a reply to: cooperton
The report is from newgeology.us which is a religious wesite pretending to be scientific and failing...