by sysadmin | Jun 14, 2016 | Blog
Petrified wood- Araucarioxylon arizonicum- Chinle Formation, Holbrook, Arizona. Triassic period. 225 mya 17.5″ across
by sysadmin | May 16, 2016 | Blog
Petrified wood- Araucarioxylon arizonicum-close up. Chinle Formation, Holbrook, Arizona. Triassic period. 225 mya
by sysadmin | Mar 29, 2016 | Blog
Petrified wood- Araucarioxylon arizonicum- Chinle Formation, Holbrook, Arizona. Triassic period. 14 ” Across. Araucarioxylon arizonicum is an extinct species of conifer and is the state fossil of Arizona. The petrified wood of this tree is frequently referred to...
