Petrified

Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms. Carried by water, these minerals fill the ...

Petrified Forest (Sarmiento) The Petrified Forest 30 km south of Sarmiento, Argentina is a provincial natural monument. It a forest from the Cenozoic ...

In geology, petrifaction or petrification (from Ancient Greek: πέτρα, romanized: pétra, lit. 'rock, stone') is the process by which organic material b...