SOLD | Versteinerte Holzplatte | Arizona, USA Ammonite The limestone has been quarried

The limestone has been quarried for hundreds of years

üblicherweise durch Siliziumdioxid (SiO2) oder Calcit (Calciumcarbonat

Size: H50cm W60cm D32cm

Ammonites are extinct shell-like cephalopods

Description: The Goniatites (Goniatitida

SOLD | Versteinerte Holzplatte | Arizona, USA Ammonite The limestone has been quarriedOrigin: Arizona, USA Age: Triassic, 220 million years Size: H58cm W53cm D3cm Weight: 14 kg Description: Araucarioxylon arizonicum from the Triassic (approximately 220 million years ago), cut in cross section and polished to show the rich colors so well known from this locality, with the texture preserved at the edges. Additional Information: Petrified wood samples, fossils formed by the infiltration of minerals into the cavities between and within the