page_title: Allenby Formation
section_title: Conifers, ferns, and ginkgos
hierarchical_section_title: Allenby Formation / Flora and fauna / Conifers, ferns, and ginkgos
caption_attribution_description: A 8.8cm long Metasequoia occidentalis foliage spray. Klondike Mountain Formation, Republic, Ferry County, Washington, USA, Eocene, Ypresian, 49 million years old. Stonerose Interpretive Center Collection #
context_page_description: The Allenby formation is a sedimentary rock formation deposited during the early to early Middle Eocene. It consists of conglomerates, sandstones with interbedded with shales and coal. The coal seams contain an abundance of insect, fish and plant fossils, known from the shales since 1877 but best known from the Princeton Chert.
caption: Metasequoia occidentalis
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