Small Madagascar Petrified Wood Slab 4c28dc298a006ace65814c784a82f702 ground water circulated silica along

ground water circulated silica along with the iron

Geodes are found around the world

as modern man was living in Northern Africa

some Starfish are omnivorous

so they will vary in size & shape

Small Madagascar Petrified Wood Slab 4c28dc298a006ace65814c784a82f702 ground water circulated silica alongFrom ancient Greek meaning "wood turned into rock", Petrified Wood is a unique form of fossilization. In some instances, all the organic matter has been replaced by minerals (usually a silicate, such as quartz) during a process called permineralization replacement. However, many petrified wood specimens undergo a unique fossilization process, where silicates bond with the cellulose structure of the wood, thereby preserving organic matter. Regardless