Fossil Sponge in Flint, Grey Chalk Subgroup, Cretaceous, Branscombe, Dorset, UK Natural Geological Collector Specimen

Description

Fossil Sponge in Flint

This genuine fossil sponge is preserved in flint associated with the Grey Chalk Subgroup of the Cretaceous and was discovered at Branscombe, Dorset. Its combination of fossilised biological structure and hard siliceous flint makes it an appealing addition to a fossil collection, geological display or natural history cabinet. The specimen is offered as a collector’s piece with its actual appearance shown in the listing photographs.

Geological Context

The Cretaceous Period is well known for extensive marine deposits and abundant fossil remains. Chalk formed from the accumulation of microscopic marine material in ancient seas, while flint is a hard form of silica that occurs within or alongside chalk sequences. In this setting, flint can preserve and surround fossil material, creating striking geological specimens that connect biological remains with the sedimentary history of the rock in which they occur.

Fossil Sponge Identification

Sponges belong to the phylum Porifera and are simple aquatic animals that obtain nourishment by filtering water through their bodies. Their fossil remains may be represented by preserved body structures, textures or siliceous elements, depending on the conditions of burial and mineral preservation. A fossil sponge in flint is particularly interesting because the surrounding rock provides a durable setting for the preserved form and reflects the interaction between the original organism and the geological processes that followed its burial.

Collector Interest

This Branscombe, Dorset fossil is suitable for collectors interested in Cretaceous geology, British fossils, chalk formations, flint specimens and marine palaeontology. It can also be used as an educational example when discussing fossil preservation, sedimentary rocks and the ancient marine environments represented by Cretaceous deposits. The specimen’s natural geological setting gives it interest beyond a decorative stone, making it a meaningful addition to a collection focused on Earth history.

Collection and Preparation

Your specimen was discovered by our own team members, Alister and Alison, and has been cleaned, prepped and treated by Alison.

The photograph shows the actual specimen you will receive.

Full sizing is shown in the photographs.

Authenticity

This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.