Nearly all geologists understand these layers to have been deposited over the course of hundreds of millions of years.
WORLD is a biweekly news magazine with a Christian perspective.
The author of this article, Marvin Olasky, accompanied 5 YE creationists on a rafting trip on the Colorado River through the Grand Canyon, and relays their views on the geological features.
We march through this article, note the points made by the creationists, and show them to be at odds with reality.
Finally, we attempt to understand how intelligent, good-willed folks like these YE creationists can continue to believe that they are right and the rest of the world is wrong in interpreting the geology of the Grand Canyon.
Preface for blog: The first two-thirds of this essay deals with the rock formations of the Grand Canyon – what they are, and how and when they formed.
This should be educational and understandable to readers without a science background.
The rock layers above the Vishnu Complex and Supergroup are fairly flat. The next up, not labeled in the figure above, is the Bright Angel Shale.
This is relatively soft, so it crumbles back, leaving slopes of rocks trailing onto the Tapeats.
A schematic of the rock layers is shown above [from 1992 article by Andrew Snelling with answersingenesis.org].
The lowermost layer shown is the Vishnu Complex, consisting of rocks that have been deeply buried, heated, and transformed (metamorphosed).
An alternate point of view is Young Earth (YE) Creationism.