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Fossil wood slab (4x6 cm), Triassic, MDG

Product information "Fossil wood slab (4x6 cm), Triassic, MDG"

Very beautiful, fossil wood slice, polished.

Araucarias are conifers with hard, pointed, blade-shaped leaves. Today they are only found in South America and Oceania, which is a relic of their distribution on the southern primeval continent of Gondwana, which later split into South America, Africa, India, Antarctica and Australia.

The wood fossilized by being saturated with siliceous water in the absence of oxygen. The silica precipitated in the gaps as quartz, chalcedony or opal and replaced the wood, which was slowly disintegrated by anaerobic bacteria. Other minerals in the water, mostly iron oxides, provided the coloration.

Age: Triassic
Locality: Madagascar
Size: 4 x 6 cm

For technical reasons, the colors in the product photos may differ slightly from those of the original specimen.
Our photos are for reference only, you will receive a piece of comparable quality with your purchase.

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Silicified wood, Jurassic, AR

A beautiful piece of Araucaria wood of the species Araucarites sanctaecrucis with typical grain.RAREAge: Upper Jurassic;Location: Petrified Forest of Rio Deseado, Cerro Cuadrado, South-Central Patagonia, ArgentinaSize: 6.5 x 3 x 3 cmColors on photos may differ slightly from the original due to technical reasons.

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Araucaria wood, polished, Triassic; MDG

Araucarias are conifers with hard, pointed and blade-shaped leaves. Currently they are only found in South America and Oceania, which is a relic of their distribution on the southern prehistoric continent of Gondwana, that split into South America, Africa, India, Antarctica and Australia.Their wood fossilized as it became saturated with silica-containing water in the absence of oxygen. This water precipitated in the interstices as quartz, chalcedony or opal and replaced the wood, which was slowly decomposed by anaerobic bacteria. Other minerals in the water, mostly iron oxides, provided the coloration.Age: TriassicLocality: MadagascarSize: 2 - 3 cmColors on product photos may differ from those of the original specimen due to technical reasons.Our photos serve as a reference, you will receive a piece of comparable quality with your purchase.

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Prices incl. VAT plus shipping costs

Araucaria, fossilized & polished, Triassic; MDG

Age: TriassicLocality: MadagascarSize: 12 x 9.5 x 1.3 cmColors on product photos may differ slightly from those of the original specimen due to technical reasons.

€18.00

Prices incl. VAT plus shipping costs