Bowers Roach

Quarry Report No. 50: Spring 2008
Bowers Quarry & Mine, Portland
Stock
Maximum Block Sizes
Overall Size              4.18m³
Length                      3.70m
Bed Height                2.00m
Average Block Sizes
Overall Size              1.06m³
Length                      1.52m
Bed Height                0.73m
Availability
Current Availability
(0-3 months)            1000-2000m³
Future Availability
(3-12 months)          1000-2500m³
Description
Shell Content
Shelly Roach containing large grey shell
fragments. The shells include Turreted
Gastropods (Portland Screws) as well as large clams.
Shell Distribution
The shelliest sections of Roach tend to be towards the middle of the blocks.
Texture
The large Turreted Gastropods and clam shells are associated with voids. Some of the voids can be in sexcess of 50mm long. The stone's texture in between the voids is often tight and dense.
Colour
Typical Portland Colour - creamy/white,
although the large concentrations of grey shells can darken the overall colour.