fossil
Lepidodendron Plant Fossil
Lepidodendron sp. (Lycopodiophyta)
Features a distinct diamond-shaped or scale-like pattern (leaf scars), Mohs hardness of 3-4 (matrix dependent), brownish-grey color, dull luster, silty to sandy texture.
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Physical properties
Features a distinct diamond-shaped or scale-like pattern (leaf scars), Mohs hardness of 3-4 (matrix dependent), brownish-grey color, dull luster, silty to sandy texture.
Formation & geological history
Formed during the Carboniferous period (approx. 300-360 million years ago) in swampy, coastal environments through the compression and permineralization of giant club moss bark.
Uses & applications
Primarily for educational purposes, paleontological research, and as a private collector's specimen. Its parent material formed much of the world's coal deposits.
Geological facts
Lepidodendron is often called the 'Scale Tree' because its bark pattern resembles snake or alligator skin; these trees could grow over 100 feet tall without branches until the very top.
Field identification & locations
Identified by the rhythmic, geometric 'scales' on the surface of sedimentary rock (often shale or sandstone). Commonly found in coal-bearing regions such as the Appalachian Mountains or UK coal fields.
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