Actually conservation of fossils rely on numerous facets such as; existence of system during deposition which is dependent upon paleoecologic conditions.

Actually conservation of fossils rely on numerous facets such as; existence of system during deposition which is dependent upon paleoecologic conditions.

so that you can age determination of sedimentary stones, we have to index fossil the fossil which major geographical circulation and low time period. Paleontologic information supports the index fossil of each and every set of paleo-organisms.

A lot of paleontology and stratigraphy records enable you to figure out the chronilogical age of sedimentary stones.