A Guide to Cork City's Geological Heritage

Table of Content

Introduction - what is this booklet? ............................................................................................................................................................................... 4

What is Geoheritage/Geology? .................................................................................................................................................................................................... 5 Geoheritage - what is it and why does it matter? ................................................................................................................................... 5 Why are we here? ....................................................................................................................................................................................................................................................................... 5 What is geology? ......................................................................................................................................................................................................................................................................... 6 Cork City’s Geological History ......................................................................................................................................................................................................... 7 The Caledonian Orogeny ....................................................................................................................................................................................................................................... 8 The Devonian floodplains of “Cork City” ........................................................................................................................................................................ 9 The Carboniferous coral reefs of “Cork City” .................................................................................................................................................... 11 The Variscan Orogeny ................................................................................................................................................................................................................................................ 13 What happened next? .............................................................................................................................................................................................................................................. 14 The Ice Age/Quaternary landscape of “Cork City” ............................................................................................................................ 14

Geoheritage Sites in Cork ....................................................................................................................................................................................................................... 16

Map of Cork City with locations ............................................................................................................................................................................................ 16 Ballinlough Fields and the Japanese Gardens ............................................................................................................................................ 17 Beaumont Quarry ................................................................................................................................................................................................................................................................ 19 Blackrock Diamond Quarry ......................................................................................................................................................................................................................... 20 Ice Age sediments in Inniscarra and Ballincollig .................................................................................................................................. 21 Patrick’s Hill ......................................................................................................................................................................................................................................................................................... 23 Shandon Bells & Tower, St Anne’s Church ............................................................................................................................................................ 25 Leitrim Street and Upper John Street outcrops .................................................................................................................................... 26 St Fin Barre’s Cathedral ......................................................................................................................................................................................................................................... 26 St Joseph’s Section .......................................................................................................................................................................................................................................................... 28 The River Lee ................................................................................................................................................................................................................................................................................... 30 Lime kiln ruins along the Curraheen Public Walk ............................................................................................................................. 31 The Glen ...................................................................................................................................................................................................................................................................................................... 32 Lower Glanmire Road ............................................................................................................................................................................................................................................... 33

Further information and references ....................................................................................................................................................................... 35

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