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Quartz var. Petrified wood Medora, North Dakota, USA 16 x 9 cm Conifer from the Taxodiaceae family, Fort Union formation. From a ranch in the badlands. It doesn’t look like it, but this is a cross-sectional slice through a tree limb. (Author: Tracy)

Quartz var. Petrified wood
Medora, North Dakota, USA
16 x 9 cm
Conifer from the Taxodiaceae family, Fort Union formation. From a ranch in the badlands. It doesn’t look like it, but this is a cross-sectional slice through a tree limb. (Author: Tracy)

Dimensiones: 750 x 563
Tamaño fichero: 52.37 kbytes
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