The safeguarding of fossilized tree remains goes back a huge number of years, with Petrified Wood History tests dating from the Paleozoic Time (quite a while back), Mesozoic (a long time back), and Cenozoic (Periods 65 million years to introduce). Petrification requires millennia, resulting in a sturdy material that can endure everyday hardship. Petrified Wood History can give important bits of knowledge into the land history of the earth, including data about past environments and biological systems.