LARGE Petrified Wood Bookends - Arizona b591f35a162063903eaa896b6828cf2c but there must have been

but there must have been at least several

It likely roamed in large herds

long hind limbs

and the deep red kind is the most valuable color

Aragonite and Calcite are similar in chemical composition (polymorphs) but are structured differently

LARGE Petrified Wood Bookends - Arizona b591f35a162063903eaa896b6828cf2c but there must have beenFrom ancient Greek meaning "wood turned into rock", Petrified Wood is a form of fossilization where all the organic matter combines with minerals (usually a silicate, such as quartz) during a process called per mineralization. In order for wood to become petrified it must be completely covered by sediment, thereby depriving the wood of oxygen. Simultaneously, there must be a mineral rich water source close by. Over time, the water delivers the