Petrified cone (Araucaria mirabilis) - ROM2004_982_16

Petrified cone, Araucaria mirabilis (Sprey)

Petrified cone (Araucaria mirabilis)

Place Collected
South America, Argentina, Santa Cruz, Cerro Cuadrado
6 (H) x 6 (W) x 8 (L) cm
Object number: ROMIP56071
Not on view
DescriptionDuring the Jurassic Period (150 million years ago) the main trees were cycads and their relatives, conifers, ginkgos, and seed ferns. The plants underneath the forest canopy were mainly ferns, liverworts, club mosses and horsetails. This cone of Araucaria, a relative of the Norfolk Island Pine, has been petrified—its tissues replaced by silica, preserving the finest details, including the seeds.
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