Author: Elizabeth Laycock
Intro: Clashach Sandstone (J1)
Reference J1 NAME Clashach Medium TYPE Sandstone GEOLOGY Permo-Triassic. Hopeman Sandstone COUNTY Grampian COLOUR Golden to pale brown with medium colour mottling TEXTURE Fine grained BLOCK SIZE LXBXH (mm) 3000x1800mm SUITABILITY Ashlar, cladding, dressings and weathering courses USES (1) Chandos House, London USES (2) National Gallery, Edinburgh USES (3) Bolsover Castle, Derbyshire USES (4) New…
Intro: Clashach Sandstone (J2)
Reference J2 NAME Clashach Light TYPE Sandstone GEOLOGY Permo-Triassic. Hopeman Sandstone COUNTY Grampian COLOUR Golden to pale brown with light colour mottling TEXTURE Fine grained BLOCK SIZE LXBXH (mm) 3000x1800mm SUITABILITY Ashlar, cladding, dressings and weathering courses USES (1) Chandos House, London USES (2) National Gallery, Edinburgh USES (3) Bolsover Castle, Derbyshire USES (4) New…
Intro: Burlington Blue Slate (N3) – Lake District Slate
Reference N3 NAME Burlington Blue (riven) TYPE Slate GEOLOGY Silurian COUNTY Cumbria COLOUR Blue/black TEXTURE Extremely fine grained. Pronounced cleavage BLOCK SIZE LXBXH (mm) 1500x900mm SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces USES (1) USES (2) USES (3) USES (4) Stone Names Wray Castle formation
Intro: Berwyn Welsh Slate (N5)
Reference N5 NAME Berwyn (riven) TYPE Slate GEOLOGY Silurian. Ludlow Beds COUNTY Clywd COLOUR Deep blue TEXTURE Extremely fine grained. Finely cleaved BLOCK SIZE LXBXH (mm) 2500x1500x75mm SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces USES (1) USES (2) USES (3) USES (4) Stone Names
Intro: Chilmark Limestone (D3)
Reference D3 NAME Chilmark TYPE Limestone GEOLOGY Cretaceous. Middle Chalk COUNTY check? Devon COLOUR White TEXTURE Fine grained with limited shell content. Chalky texture BLOCK SIZE LXBXH (mm) 1400mm depth on bed SUITABILITY Building and carving USES (1) Westminster Abbey USES (2) St Stephen’s Crypt, Palace of Westminster USES (3) Exeter Cathedral USES (4) Stone…