Fir Cone Halves 48mm

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Fir Cone Halves 48mm

SKU:TFS0297
£222.00

Availability:In stock

Details:

Fir cone from the Jurassic forrest of the supercontinent of Pangea. Pangea formed around 300 million years ago and broke up around 175 million years ago. The prehistoric forests produced wonderful fossil fir cones along with fossil wood and fossil resins, which eventually formed copal’s and ambers. The fir cone is of this lineage. here the specimen with glorious detail of the inner structure of the fir cone can be viewed and studied.

Genus: Araucaria Mirabilis.
Origin: Cerro Cuadrado, Jaramillo forest, Santa Cruz, Patagonia, Argentina.
Age: Mesozoic era, Jurassic approximately 205 to 135 million years.

Fir cone measurements.
Height: 4.8 cm
Width: 4.5 cm
Depth: 2 cm

Approximate weight: 0,106 g

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Details

A pair of fir cone halves with a great fossil lineage discovered in Argentina, previously Patagonia, from the prehistoric super continent of Pangea. The fir cone displays attractive and colourful minerals, some in the form of quartz. The fossil fir cones of this origin of Patagonia are of the genus Araucaria. The specimen featured here is an interesting example of a female seeded fir cone, displaying familiar attributes exceedingly well.


The cream colouration of ovules which are the immature seeds and a darker mineral filling towards the outer edges of the now cut and polished halves darker in tone, the ovules picked out in even darker mineral colours. The delightful preservation of the petrified fir cone is a joy to behold. Also evident is the outer woody leaves, or scales as they are scientifically known, These have maintained the familiar shape of a modern fir cone.


The interesting process of per-mineralisation is one of water carrying minerals of the surrounding earth is forced through the soft tissues of the once living fir cone. In a reaction which affects the fir cone at a molecular level the cone is petrified, the cone absorbs the minerals which grow to what we see today, quartz in the form of jasper.

Additional Information

SKU TFS0297
Age Jurassic
Origin Argentina
Colour Beige

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