DaveISBA
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The Coconino Sandstone is not a desert it is as the name implies...sandstone and it takes water to form sandstone!So how did a desert have time to form, and then be buried in the middle of the flood?
"Sandstone forms from beds of sand laid down under the sea or in low-lying areas on the continents. As a bed of sand subsides into the earth's crust , usually (pressed down by over-lying sediments), it is heated and compressed. Hot water flows slowly through the spaces between the sand grains, importing dissolved minerals such as quartz , calcium carbonate, and iron oxide. (These minerals crystallize around the sand grains and cement them together into a sandstone)."
Sandstone | Encyclopedia.com
No, "Almost all fossils are preserved in sedimentary rock."Yes, that's where most marine fossils formed. The fossils in Mt. Everest, for example, are from great expanses of continental shelf.
Geology Background
"Sedimentary rocks include common types such as chalk, limestone, sandstone, clay and shale.Sedimentary rocks cover 75% of the Earth's surface."
Sedimentary rock
The point being made is that they are found in the Grand Canyon! The area where they're found, the Algonkian Group, had to be deposited rapidly to prevent decomposition!Fossil jellies are unusual in most places, because they do decompose so readily.
How would sandstone, not a desert, be formed in the middle of "flood deposits"? It was already explained how! It's not a desert covered by a flood! The sand laid down by the flood became sandstone! the water helped to cement the particles together forming sandstone overlaid by the Toroweap formation (laid down by water) with it's marine fossils!Your problem remains. How did deserts have time to form and be buried in the middle of "flood deposits" in less than a year?
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