Versteinerte Holzscheibe | Utah, USA sand stone behavior and ecological interactions of

behavior and ecological interactions of these ancient species

Versteinertes Holz hat eine Härte von 7 auf der Mohs-Härteskala

Its physical properties are similar to those of quartz

sometimes even the cell structure can be determined

disc-shaped shells

Versteinerte Holzscheibe | Utah, USA sand stone behavior and ecological interactions ofOrigin: Utah, USA Age: Triassic, 220 million years Size: H70cm W90cm D4cm Weight: 40 kg Description: This specimen has been cut and polished to show natural voids, preservation of some growth rings and a rich marbling of colors with pink tones typical of this region. Additional information: Petrified woods, fossils formed by the penetration of minerals into the spaces between and within the cells of natural wood, usually silicon dioxide (SiO 2 ) or