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According to the creationists, all species (or basic kinds--whatever), living and extinct were created at the same time and the fossil record was laid down by the biblical flood.
If that were the case, you would find fossils of the approximately 5,000 present-day species of mammals, including humans, and of the approximately 10,000 present-day species of birds, mixed in with the fossils of, for example, dinosaurs. You do not and will never find such a mixture. That is because they are separated in time by more than 60 million years and the fossil record reflects that fact. The only fossils of mammals and birds that are found in the same strata as dinosaurs are primitive types quite unlike anything that exists today (even if you consider the "kinds" that creationists refer to as the source of present-day mammals and birds). And you will also not find those fossils of present-day mammals and birds in the same strata with trilobites, or of numerous other early types of animals.
And that scenario even continues after the demise of the dinosaurs. There are numerous strata which show that mammals became predominate for several tens of millions of years on up to today. But the strata that was laid down during the first half of that time contains a large number of fossils of mammals quite unlike anything that exists today, and again, none of the fossils are of present-day mammals, including humans, and present-day birds. As those strata get progressively younger, you begin to see more and more fossils of mammals and birds that are similar to the present-day species. That includes hominid fossils, which are present only in the strata laid down in the past few million years. Hominid fossils are totally absent in the vast number of earlier fossil-containing strata.
Thus, if you look at the geological strata, you will find a changing representation of species through the oldest to the youngest strata, and those changes reflect an evolutionary process.
For example, in the Cambrian, you will find the initial appearance of most of the phyla, but they will be only very primitive species--none of which exist today--belonging to those phyla. You will not find one single amphibian, reptile, dinosaur, bird, mammal, or teleost fish. And as you progress through the strata you will find new forms, but still nothing like what you would find today until you get to relatively young strata. That is not what you would find if the fossil record had been laid down by a flood such as that described in the Bible. But it is what would be expected in an evolutionary scenario.
This is not a matter of interpreting things according to one's belief, as creationists usually say. It is a matter of honestly accepting the evidence for what it says. The Bible believer holds that all things must be interpreted according to the Bible. Therefore, they are are forced to be dishonest in interpreting the evidence.
The geological strata indicate an evolutionary progression. If there was no evolutionary progression, but all species (or kinds, whatever) had been created at the same time, then there would be no evolutionary progression in the strata. That is fact.
A flood such as described in the Bible would not leave stratified deposits on the tops of mountains. The material forming deposits would flow down the sides of the mountains. The same for marine fossil deposits. How would the shells of clams end up on the tops of mountains, even Mount Everest? Clams couldn't swim to the tops of the mountains, nor could they climb up the sides of mountains.
Plate tectonics explains why sea shells and other marine deposits are found on mountain tops. Sections, or plates, of the earth's crust are constantly moving, albeit very slowly, about an inch or so per year. This movement has been measured with scientific instruments and has been tracked in the analysis of paleomagnetism and other means. In areas where one plate impinges upon another, the movement forces the earth's crust to uplift, which is what causes mountains to build up over millions of years. If the area that was uplifted was originally a part of the sea floor, then any sea shells and other marine fossil deposits would be uplifted during the mountain building as well.
http://www.doeacckolkata.in/Piyali-geogrÂ…
one more time -----Plate tectonics explains why sea shells and other marine deposits are found on mountain tops.