Author: Elizabeth Laycock

Reference N7 NAME Portmadoc (riven) TYPE Slate GEOLOGY Ordovician. Llandeilo Series COUNTY Gwynedd COLOUR Blue/grey. Occasional pyrite flecks TEXTURE Extremely fine grained. Finely cleaved  BLOCK SIZE LXBXH (mm) SUITABILITY Roofing, cladding, flooring and architectural  USES (1)  USES (2)  USES (3)  USES (4) Stone Names   Intro: Portmadoc Welsh Slate (N6) – Stone Library (shu.ac.uk) Intro:…

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Reference N1 NAME Kirkstone Brathay (riven) TYPE Slate GEOLOGY Ordovician. Borrowdale Volcanics Series COUNTY Cumbria COLOUR Blue/black TEXTURE Extremely fine grained. Pronounced cleavage  BLOCK SIZE LXBXH (mm) SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces  USES (1)  USES (2)  USES (3)  USES (4) Stone Names Seathwaite Fell Sandstone Formation   Kirkstone Brathay (honed) (M10) Lake…

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Kirkstone Brathay (honed) Reference M10 NAME Kirkstone Brathay (honed) TYPE Slate GEOLOGY Ordovician. Borrowdale Volcanics Series COUNTY Cumbria COLOUR Blue/black TEXTURE Extremely fine grained. Pronounced cleavage  BLOCK SIZE LXBXH (mm) SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces  USES (1)  USES (2)  USES (3)  USES (4) Stone Names Seathwaite Fell Sandstone Formation   Kirkstone Brathay…

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Kirkstone Silver Green (riven)   Reference M9 NAME Kirkstone Silver Green (riven) TYPE Slate GEOLOGY Ordovician. Borrowdale Volcanics Series COUNTY Cumbria COLOUR Silver green TEXTURE Bedded angular fragments of varying size in fine grained matrix  BLOCK SIZE LXBXH (mm) 1800x900mm SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces  USES (1)  USES (2)  USES (3)  USES…

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Kirkstone Silver Green (honed) Reference M8 NAME Kirkstone Silver Green (honed) TYPE Slate GEOLOGY Ordovician. Borrowdale Volcanics Series COUNTY Cumbria COLOUR Silver green TEXTURE Bedded angular fragments of varying size in fine grained matrix  BLOCK SIZE LXBXH (mm) 1800x900mm SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces  USES (1) DETAILS ON APPLICATION  USES (2)  USES…

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Kirkstone Sea Green (riven) Reference M7 NAME Kirkstone Sea Green (riven) TYPE Slate GEOLOGY Ordovician. Borrowdale Volcanics Series COUNTY Cumbria COLOUR Sea green TEXTURE Bedded angular fragments of varying size in fine grained matrix  BLOCK SIZE LXBXH (mm) 1800x900mm SUITABILITY Roofing, cladding, paving, cills, copings and fireplaces  USES (1) DETAILS ON APPLICATION  USES (2)  USES…

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<image>   A6 Reference Guiting COSCOMBE NAME Limestone TYPE Jurassic. Inferior Oolite GEOLOGY Gloucestershire COUNTY Dark cream/buff orange COLOUR Coarse shelly oolite TEXTURE 1200x1125x1050mm  BLOCK SIZE LXBXH (mm) Ashlar, dressings, carving and walling SUITABILITY Trocadero Centre, London  USES (1) Magdalen College, Oxford  USES (2)    USES (3)    USES (4)   Stone Names  

  G9  NAME Forest of Dean MINE TRAIN TYPE Sandstone GEOLOGY Upper Carboniferous. Coal Measures COUNTY Gloucestershire COLOUR Green/grey with feint orange banding TEXTURE Fine to medium grained  BLOCK SIZE LXBXH (mm) 1200x1200x900mm SUITABILITY Cladding, ashlar, paving, monumental and engineering  USES (1) Cardiff Docks  USES (2)  USES (3)  USES (4)   Intro: Forest of Dean…

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G10  NAME Forest of Dean MINE TRAIN TYPE Sandstone GEOLOGY Upper Carboniferous. Coal Measures COUNTY Gloucestershire COLOUR Buff/pink/red multicolour TEXTURE Fine to medium grained  BLOCK SIZE LXBXH (mm) 1200x1200x900mm SUITABILITY Cladding, ashlar, paving, monumental and engineering  USES (1) DETAILS ON APPLICATION  USES (2)  USES (3)  USES (4)   Intro: Forest of Dean Bixhead (G6) –…

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G7  NAME Forest of Dean BIXHEAD TYPE Sandstone GEOLOGY Upper Carboniferous. Coal Measures COUNTY Gloucestershire COLOUR Blue/grey with feint orange banding. TEXTURE Fine to medium grained  BLOCK SIZE LXBXH (mm) 2100x900x900mm SUITABILITY Ashlar, cladding, monumental and paving  USES (1) The Compressor House, Royal Albert Dock, London  USES (2) Dudley Castle, Shropshire  USES (3) Various churches…

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