Stratheden and Inverclyde Sandstone

Stratheden and Inverclyde Sandstone was sourced from quarries in many different parts of southern and central Scotland, including Ayrshire, Berwickshire, Dunbartonshire, East Lothian, Fife, Kinross-shire and Roxburghshire. The stone consisted originally of sand that was deposited by rivers during the late part of the Devonian Period and early part of the Carboniferous Period (c. 360 million years ago), when Scotland was close to the Equator. Stratheden and Inverclyde Sandstone was used locally, and possibly regionally, mainly for masonry. Stratheden and Inverclyde Sandstone is not quarried for building stone today.

Building Stone ID 10,070

Geological description

Rock category  
Sedimentary rock
Stone type  
Sandstone
Source bedrock unit  
Stratheden Group and Inverclyde Group
Colour  
Light buff to brownish orange
Grain sorting  
Well-sorted and moderately well-sorted
Grain-size  
Medium sand (0.25 to 0.5 mm) to fine sand (0.125 to 0.25 mm)
Cohesion  
Strongly cohesive
Water absorption  
Low to high
Fabric  
Irregular lamination to uniform
Distinctive features  
Mud flakes

Historic significance

Maximum historical geographic reach  
Regional (score = 2)
Extent of historic building stone quarrying  
Extensive (score = 3)
Historic significance score  
Highly significant (score = 5)

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