Ostrea Patch Reef Whitbed
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Above is the range panel located at our factory on Portland which shows the typical geological characteristics of Ostrea Patch Reef Whitbed
Shell Content
Bioclastic, oyster-bound clasts of well-cemented patch reef in a matrix of shelly oosparite – Many large grey and white oyster shell fragments. Patch reefs were formed by masses of oysters and bryozoans cemented around a massive calcareous laminated framework built of the red alga Solenopora.
Shell Distribution
The shells are randomly distributed throughout the stone.
Texture
Texture is typically coarse with some vuggy patches.
Colour
Typical Portland colour - variable light to dark grey, the colour varying with the density of included shell.
Other Available Beds of Portland Stone
| Ashlar cladding | Yes |
| Masonry inc. copings, lintels & cills | Yes |
| Load bearing Masonry inc. columns | Yes |
| Plinths | Yes All porous limestones will draw in moisture that could contain stains from surrounding media so it advisable to ensure that paving is laid to a fall away from the stones. |
| External paving inc. thresholds, swimming pool surrounds & steps | Yes All porous limestones will draw in moisture that could contain stains from surrounding media so it advisable to ensure that paving is laid to a fall away from the stones. |
| Swimming pool cladding at and below the waterline | No We would advise against the use of any limestone inside the actual pool. |
| Internal flooring and walls linings inc. stairs | Yes |
| Internal worktops, inc. vanity and kitchen | No There are products that can be used to protect the stone. |
| Wet room areas inc. shower trays and saunas | No In most circumstances, although there are sealers that can protect the stone. |
| Fireplaces | Yes |
| Carving and sculpture | Yes Finer details might be lost in the shell structure. |
| Headstones | Yes |
Some Examples
Exquisite and unique cross-sections through small patch reefs which developed in the upper part of the Portland freestone.
Get a sample
Samples sent in the post are indicative of the typical colour and surface texture of the stone. They are unable to show all the natural variations in visual appearance, colour, texture and geological features that are present in all natural stones. To fully understand the geology of our Portland Stone, we would recommend a visit to view the large range panels approximately 3m x 2m at our factory site on Portland. Once your selection is made we will be delighted to send you a sample of your desired stone.
Standard Portland stone samples are 150mm x 150mm at 20mm thick
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Albion Stone, a fourth generation family business pride ourselves on having a helpful and skilled workforce as well as modern and traditional manufacturing process to enable us to produce the highest quality Portland Stone with minimal environmental impact.
