Description
This is a wholesale lot of 12 polished Petrified wood slices in a flat from Madagascar. These specimens feature great color and detail, and are perfect for resale.
Petrified wood (from the Greek root petro meaning "rock" or "stone"; literally "wood turned into stone") is the name given to a special type of fossilized remains of terrestrial vegetation. It is the result of a tree or tree-like plants having completely transitioned to stone by the process of permineralization. All the organic materials have been replaced with minerals (mostly a silicate, such as quartz), while retaining the original structure of the stem tissue. Unlike other types of fossils which are typically impressions or compressions, petrified wood is a three-dimensional representation of the original organic material.
The petrifaction process occurs underground, when wood becomes buried under sediment or volcanic ash and is initially preserved due to a lack of oxygen which inhibits aerobic decomposition. Mineral-laden water flowing through the covering material deposits minerals in the plant's cells; as the plant's lining and cellulose decay, a stone mold forms in its place. The organic matter needs to become petrified before it decomposes completely. The process lasts millions of years. A forest where such material has petrified becomes known as a petrified forest.
Dimensions: Sizes range from 3.25" L x 4" L
Provenance: Ambilobe, Madagascar
Age: Early Triassic (200 MYA)
Type: Actual flat for sale - one only
