Description
This listing features a rare and genuine fossil stromatolite, commonly referred to as Cotham Marble, from the Triassic period (~200 million years ago). This exquisite fossil was discovered in Bristol, UK, and showcases the stunning wavy patterns characteristic of algal growth. A fascinating piece of Earth’s history, this fossil is ideal for collectors, educators, and enthusiasts interested in the ancient marine ecosystems that shaped our planet.
Key Features:
- Type: Stromatolite fossil (Cotham Marble)
- Geological Period: Triassic (~200 million years ago)
- Location: Bristol, UK
- Material: Fossilized algal layers, often referred to as Cotham Marble due to its striking appearance
- Provenance: Part of the prestigious Alice Purnell Collection
About Stromatolites and Cotham Marble:
Stromatolites are layered structures formed by the activity of ancient algae and cyanobacteria. These microorganisms trapped and bound sedimentary grains, creating beautiful, wavy patterns over millions of years. Cotham Marble is a specific type of stromatolite found in the Bristol region, renowned for its stunning visual appeal and unique scientific importance.
This fossil represents a snapshot of a time when marine life flourished in shallow waters, contributing to the formation of the Earth’s early biosphere. Its intricate patterns are not only visually striking but also provide valuable insights into the environmental conditions of the Triassic period.
Historical and Scientific Importance:
Stromatolites like Cotham Marble are some of the earliest evidence of life on Earth. They highlight the symbiotic relationship between primitive algae and the Earth’s geology, offering a glimpse into the planet’s evolving ecosystems. Cotham Marble is particularly prized for its aesthetic beauty, often compared to fine decorative marble, and is rare to find in fossil form today.
Provenance and Authenticity:
This fossil is part of the Alice Purnell Collection, one of the largest and most renowned ammonite and fossil collections in the world. The specimen comes with a Certificate of Authenticity, verifying its origin and geological significance.
Why This Fossil Is Special:
- Unique Appearance: Cotham Marble features stunning, wavy patterns that are visually captivating.
- Scientific Significance: A fossilized remnant of ancient algae, offering insight into Triassic marine environments.
- Rare Provenance: From the Alice Purnell Collection, ensuring authenticity and historical value.
- Versatile Display: A perfect addition to any collection, museum exhibit, or educational setting.
What’s Included:
- Cotham Marble Stromatolite Fossil, as shown in the photos
- Certificate of Authenticity, detailing the fossil’s origin, species, and geological context
Display and Collectability:
This fossil is not only scientifically significant but also a stunning display piece. Its intricate, natural patterns make it an eye-catching addition to any collection or exhibit. It’s perfect for collectors, museums, and educational institutions, as well as for enthusiasts of Earth’s ancient history.
Additional Information:
The fossil has been carefully prepared to preserve its natural details and unique texture. The provided photos show the exact specimen you will receive, ensuring transparency and authenticity.
All of our Fossils are 100% Genuine Specimens and come with a Certificate of Authenticity.
Don’t miss the opportunity to own this rare Cotham Marble Stromatolite fossil from Bristol, UK. A timeless piece of Earth’s history, this fossil combines scientific intrigue with aesthetic beauty. Add it to your collection today!






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