Paul D. Ryan is Emeritus Professor of Geology at NUI Galway, Ireland, with fifty years of experience in the geology of western Ireland.  He has 107 publications including books, maps, software and articles with over 42,000 citations, an 'h index' of 53 and an 'i10 index' of 125 (GoogleScholar, 09/01/22).  Paul co-edited ‘Arc-Continent Collision’ in the Springer Frontiers Series which, from 2011-2018, recorded some 42,000 chapter downloads (‘top 25%’).

“The nineteen authors represent a great assemblage of expertise, and this is a valuable … field guide that will be widely used by colleges and geological groups that are regular visitors to these well-trodden Irish outcrops. … This is a truly excellent piece of work and of great benefit to the armchair traveller as well as the primary target who will use it in the field.” (Nigel T. Monaghan, Irish Naturalists’ Journal, Vol. 39, December, 2022)

• Chapter 1 - Introductory section with history of research and philosophy of the guide.- Chapter 2 - The basement and Neoproterozoic rocks of North Mayo and the Ox Mountains.- Chapter 3 - The metamorphic fold nappes and syn-orogenic intrusions of Connemara.- Chapter 4 - The subduction-accretion complex and dismembered ophiolite of Clew Bay.- Chapter 5 - The Ordovician fore-arc and arc complex and the Silurian back-arc basin of South Mayo.- Chapter 6 - The post-orogenic Devonian and Carboniferous deposits.-  Chapter 7 - The Devonian Granite batholiths, their emplacement and mineralisation.- Chapter 8 - Final section summarising admissible tectonic interpretations and areas of debate.

Paul D. Ryan is Emeritus Professor of Geology at NUI Galway, Ireland, with fifty years of experience in the geology of western Ireland.  He has 107 publications including books, maps, software and articles with over 42,000 citations, an 'h index' of 53 and an 'i10 index' of 125 (GoogleScholar, 09/01/22).  Paul co-edited ‘Arc-Continent Collision’ in the Springer Frontiers Series which, from 2011-2018, recorded some 42,000 chapter downloads (‘top 25%’).

“The nineteen authors represent a great assemblage of expertise, and this is a valuable … field guide that will be widely used by colleges and geological groups that are regular visitors to these well-trodden Irish outcrops. … This is a truly excellent piece of work and of great benefit to the armchair traveller as well as the primary target who will use it in the field.” (Nigel T. Monaghan, Irish Naturalists’ Journal, Vol. 39, December, 2022)

• Chapter 1 - Introductory section with history of research and philosophy of the guide.- Chapter 2 - The basement and Neoproterozoic rocks of North Mayo and the Ox Mountains.- Chapter 3 - The metamorphic fold nappes and syn-orogenic intrusions of Connemara.- Chapter 4 - The subduction-accretion complex and dismembered ophiolite of Clew Bay.- Chapter 5 - The Ordovician fore-arc and arc complex and the Silurian back-arc basin of South Mayo.- Chapter 6 - The post-orogenic Devonian and Carboniferous deposits.-  Chapter 7 - The Devonian Granite batholiths, their emplacement and mineralisation.- Chapter 8 - Final section summarising admissible tectonic interpretations and areas of debate.

Paul D. Ryan is Emeritus Professor of Geology at NUI Galway, Ireland, with fifty years of experience in the geology of western Ireland.  He has 107 publications including books, maps, software and articles with over 42,000 citations, an 'h index' of 53 and an 'i10 index' of 125 (GoogleScholar, 09/01/22).  Paul co-edited ‘Arc-Continent Collision’ in the Springer Frontiers Series which, from 2011-2018, recorded some 42,000 chapter downloads (‘top 25%’).

“The nineteen authors represent a great assemblage of expertise, and this is a valuable … field guide that will be widely used by colleges and geological groups that are regular visitors to these well-trodden Irish outcrops. … This is a truly excellent piece of work and of great benefit to the armchair traveller as well as the primary target who will use it in the field.” (Nigel T. Monaghan, Irish Naturalists’ Journal, Vol. 39, December, 2022)

• Chapter 1 - Introductory section with history of research and philosophy of the guide.- Chapter 2 - The basement and Neoproterozoic rocks of North Mayo and the Ox Mountains.- Chapter 3 - The metamorphic fold nappes and syn-orogenic intrusions of Connemara.- Chapter 4 - The subduction-accretion complex and dismembered ophiolite of Clew Bay.- Chapter 5 - The Ordovician fore-arc and arc complex and the Silurian back-arc basin of South Mayo.- Chapter 6 - The post-orogenic Devonian and Carboniferous deposits.-  Chapter 7 - The Devonian Granite batholiths, their emplacement and mineralisation.- Chapter 8 - Final section summarising admissible tectonic interpretations and areas of debate.