The Twins – Monumental Cut and Polished Petrified Wood Log

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Lot 1097W
The Twins – Monumental Cut and Polished Petrified Wood Log

Sold for US$ 91,500 inc. premium

Natural History

1 Jun 2009, 13:00 EDT

New York

The Twins – Monumental Cut and Polished Petrified Wood Log
Araucarioxylon arizonicum
Triassic
Chinle Formation, Northern Arizona

The two halves of an entire tree of petrified wood comprise this magnificent offering. Staggering the imagination, the number of hours and the degree of expertise required to remove, split and polish this ancient treasure are evidenced by the powerful presence of the unique pair, which has been aptly dubbed The Twins. The cut faces display brilliant red hues, earth tones, cream and black, their colors augmented by a fine polish. Petrified wood is formed by a very slow process, which may take up to 225 million years. The organic materials of which a plant is composed must be replaced with minerals while retaining the original structure of the wood. During the Triassic Period, when this tree was buried under sediment, mineral-rich water flowed through the sediment depositing minerals in the tree's cells; as the tree's lignin and cellulose decayed away, a stone cast was formed in its place, producing the extraordinary petrified wood seen here. This pair could provide the centerpiece to an important fossil collection.(2) Measuring 8ft 4in x 32in x 11in; and 8ft 4in x 32in x 15in, respectively
The Twins – Monumental Cut and Polished Petrified Wood Log
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