Fossiliferous Shale look-alikes

Shale with Trilobita and Brachiopoda fossils

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Several rocks and minerals can be confused with Fossiliferous Shale. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.

Similar rocks to compare

Non-fossiliferous Shale

Shale

Also known as: Mudstone, Claystone

Fossiliferous Limestone

Also known as: Coquina, Bioclastic Limestone

Fossiliferous Siltstone

Also known as: Siltstone with fossils

Explore Fossiliferous Shale

Overview

Full guide to Fossiliferous Shale

Identification

Localities & Collecting

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