Two types of fossil dating
For each dating or chronological method there is a link in the box at right to take you to that section of this page.
There, you will find a brief description of the method, plus links to take you to other webpages with more extensive information.
This "carving" can produce a visible indentation in the rock, or it can simply be the scratching away of a weathered surface to reveal unweathered material of a different color below.
The bighorn sheep carved into an orange-brown sandstone, shown near the top of this page, is a petroglyph.
References: British Lower Jurassic Stratigraphy, M. Toghill; A Dynamic Stratigraphy of the British Isles, A. Picture credits: White Tipped Reef Shark and Coral Scene by Alistair Watters at travelblog.org; ichthyosaur reconstruction, uk; plesiosaur by Doug Henderson.
Edmonds, Discover Dorset - Fossils; The Geology of Britain, P. Many thanks to Dr Neville Hollingworth for his ammonite identifications. Norman Mac Leod and Dr Paul Davis at the Natural History Museum of London for their continued support and advice.
Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years.
The artist scratched the surface of the rock with a tool.
This work produced an indentation in the rock and also exposed an unweathered material of lighter color below.
Because of the distortions and lies spread by fundamentalists about scientific dating there is a need for a centralized source of information on the topic.
A few examples of such lies are presented at the very bottom of this page.
Search for two types of fossil dating:
Location: Megalodon evolved from Carcharocles Subauriculatus sometime in the Miocene, and became extinct at the end of the Pliocene 2.6 million years ago.