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Category: Precambrian

CED07 Donegal Quartzite

<NOTE:  CONTENTS ARE BETA VERSION – SUBJECT TO FACT CHECK AND VERIFICATION> temporary image Reference CED07 NAME  Quartzite TYPE GEOLOGY Precambrian – Dalradian Appin Group COUNTY Donegal, Ireland COLOUR TEXTURE  BLOCK SIZE LXBXH (mm) SUITABILITY Ashlar, cladding, general building, paving and engineering  USES (1)    USES (2)    USES (3)    USES (4)   Stone…

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Metamorphic

CED05 Achnaba Schist

<NOTE:  CONTENTS ARE BETA VERSION – SUBJECT TO FACT CHECK AND VERIFICATION> temporary image Originally basalt metamorphosed during the Caledonian (400ma) Reference CED05 NAME Achnaba TYPE Schist GEOLOGY Dalradian Supergroup –   Precambrian 1000-541 million years ago COUNTY Argyll, Scotland COLOUR Grey-Green TEXTURE  BLOCK SIZE LXBXH (mm) Up to 1.5m x 1m x 1m SUITABILITY Paving,…

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Metamorphic

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