three pieces of wood are shown on a white surface
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430 - Slice of petrified wood from the United States (Arizona), Tr…
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Estimate CHF 800 - CHF 1,000
Sale commission
Description
Slice of petrified wood from the United States (Arizona), Triassic period (225 million years ago). H. 46.7 x 34.5 x 4.5 cm Two pieces used as bookends. H. 18 x 17.2 x 6 cm H. 17 x 16.5 x 6 cm Bookends, with a hole in the centre. Conifers first appeared on the North American continent 225 million years ago. At that time, the continent was a hot and humid tropical region. The colours of this fossil are the result of the elements present in the soil at the time of its fossilisation: iron oxide for the red, manganese oxide for the black, and sulphur for the yellow.
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About the sale BACK TO AUCTION — The start of the new auction season
Auction location
Auction time 09/08/2026 at 2:30 PM
Ref. : GBR-A34
Pictures credits: Contact the Auction House
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