Ostrea Patch Reef Whitbed

Ostrea Patch Reef Whitbed

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.

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 is advisable to ensure that the paving is laid to a fall with a free draining bed.
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 goeolgy 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

 01737 771 772

 enquiries@albionstone.com

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Thank you

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.