These cenotes may be seen on the map on the left. The white dots are sinkholes (or cenotes), which are thought to form from the wall of the old crater collapsing (weathering and eroding). Wiki User The principle of superposition states that in an undeformed sequence of sedimentary rocks each layer of rock is older than the one above it and.
The gray part of the image below shows the Yucatan peninsula. Otherwise, the crater is no longer visible, covered in 1 km of accumulated sediments since the impact. He found gravitational abnormalities that showed a perfect circle. Evidence was found serendipitously (a happy accident) by a geologist looking for possible places for his company to drill for oil. Once scientists found evidence of the meteor in the rocks, they began to look more closely for the crater. The impact created a 1 km high "mega" tsunami that swept into North America and deposited sediments as far north as where Northern New Mexico and Colorado are located today. uniformitarianism, Relative ages expressed on the geologic time scale primarily resulted from the study of. You can see that the meteor struck where there was once only ocean. Study with Quizlet and memorize flashcards containing terms like In an undisturbed sequence of sedimentary rocks, younger layers overlay older layers, according to the principle of. If you go to the period where the meteor struck, you can rotate the earth and see that India is still south of the equator! And if you go back 90 million years, you'll see that the U.S. Remember continental drift? Here's a really wild interactive that lets you look at the earth during different time periods. The period called "Late Cretaceous" on the image on the left shows where the shoreline was at the time the meteor struck. At the time that the meteor struck, the earth's oceans were much higher, so the shoreline was different from today.
0 kommentar(er)
