The fossils themselves tell us neither their age nor how they became encased in the rock layers because they must be interpreted within some view of earth history. Many people have been led to believe that the existence of fossils proves that millions of years have passed. In reality, fossils can form quite rapidly. Heat and pressure from rapid burial can accelerate the fossilization process. Geologic conditions following a worldwide flood would have exceeded anything imaginable in the world today and could have lead to the rapid fossilization of the plants and animals on a massive scale.
Fossilization can happen rapidly under the right conditions, but it is a rare event today.
Yet there are mass burial sites throughout the world that are tightly packed with millions of fossils. Apparently, billions of organisms were washed together by the mass destruction of the worldwide flood, buried, and rapidly fossilized. These massive and extensive fossil graveyards would be the predictable result of a worldwide flood, but would hardly fit the slow accumulation model which continues to be taught as the primary explanation of the fossil record. Something dramatically different must have happened in the past to have caused the wide spread fossilization which we find all over our planet. Noah's flood would have been this event.