| The temporal evolution of pedogenic Fe–smectite to Fe–kaolin via interstratified kaolin–smectite in a moist tropical soil chronosequence PC Ryan, FJ Huertas Geoderma 151 (1-2), 1-15, 2009 | 106 | 2009 |
| The origin and diagenesis of grain-coating serpentine-chlorite in Tuscaloosa Formation sandstones, US Gulf Coast PC Ryan, RC Reynolds American Mineralogist 81 (1-2), 213-225, 1996 | 100 | 1996 |
| Identification of halloysite (7 Å) by ethylene glycol solvation: the ‘MacEwan effect’ S Hillier, PC Ryan Clay minerals 37 (3), 487-496, 2002 | 84 | 2002 |
| Stepwise effects of the BCR sequential chemical extraction procedure on dissolution and metal release from common ferromagnesian clay minerals: a combined solution chemistry … PC Ryan, S Hillier, AJ Wall Science of the Total Environment 407 (1), 603-614, 2008 | 78 | 2008 |
| Insights into sequential chemical extraction procedures from quantitative XRD: a study of trace metal partitioning in sediments related to frog malformities PC Ryan, AJ Wall, S Hillier, L Clark Chemical Geology 184 (3-4), 337-357, 2002 | 76 | 2002 |
| Berthierine/chamosite, corrensite, and discrete chlorite from evolved verdine and evaporite-associated facies in the Jurassic Sundance Formation, Wyoming PC Ryan, S Hillier American Mineralogist 87 (11-12), 1607-1615, 2002 | 69 | 2002 |
| The 10 Å to 7 Å halloysite transition in a tropical soil sequence, Costa Rica CQ Kautz, PC Ryan Clays and Clay Minerals 51 (3), 252-263, 2003 | 63 | 2003 |
| The smectite-to-disordered kaolinite transition in a tropical soil chronosequence, Pacific Coast, Costa Rica GB Fisher, PC Ryan Clays and Clay Minerals 54 (5), 571-586, 2006 | 55 | 2006 |
| Parent material and chemical weathering in alpine soils on Mt. Mansfield, Vermont, USA JS Munroe, G Farrugia, PC Ryan Catena 70 (1), 39-48, 2007 | 54 | 2007 |
| Environmental and Low-Temperature Geochemistry P Ryan John Wiley & Sons, 2019 | 53 | 2019 |
| The influence of soil age and regional climate on clay mineralogy and cation exchange capacity of moist tropical soils: A case study from Late Quaternary chronosequences in … LN Pincus, PC Ryan, FJ Huertas, GE Alvarado Geoderma 308, 130-148, 2017 | 50 | 2017 |
| Ultramafic-derived arsenic in a fractured bedrock aquifer PC Ryan, J Kim, AJ Wall, JC Moen, LG Corenthal, DR Chow, CM Sullivan, ... Applied Geochemistry 26 (4), 444-457, 2011 | 43 | 2011 |
| The chemical composition of serpentine/chlorite in the Tuscaloosa Formation, United States Gulf Coast: EDX vs. XRD determinations, implications for mineralogic reactions and … PC Ryan, RC Reynolds Clays and Clay Minerals 45 (3), 339-352, 1997 | 43 | 1997 |
| Cenozoic evolution of the Montana Cordillera: Evidence from paleovalleys JW Sears, PC Ryan Rocky Mountain Section (SEPM), 2003 | 36 | 2003 |
| Source of arsenic-bearing pyrite in southwestern Vermont, USA: sulfur isotope evidence H Mango, P Ryan Science of the total environment 505, 1331-1339, 2015 | 29 | 2015 |
| Reaction pathways of clay minerals in tropical soils: insights from kaolinite-smectite synthesis experiments PC Ryan, FJ Huertas Clays and Clay Minerals 61 (4), 303-318, 2013 | 28 | 2013 |
| Arsenic in a fractured slate aquifer system, New England, USA: influence of bedrock geochemistry, groundwater flow paths, redox and ion exchange PC Ryan, JJ Kim, H Mango, K Hattori, A Thompson Applied geochemistry 39, 181-192, 2013 | 26 | 2013 |
| Kaolinite and halloysite derived from sequential transformation of pedogenic smectite and kaolinite-smectite in a 120 ka tropical soil chronosequence PC Ryan, FJ Huertas, FWC Hobbs, LN Pincus Clays and Clay Minerals 64 (5), 639-667, 2016 | 22 | 2016 |
| The influence of metamorphic grade on arsenic in metasedimentary bedrock aquifers: a case study from western New England, USA PC Ryan, DP West, K Hattori, S Studwell, DN Allen, J Kim Science of the Total Environment 505, 1320-1330, 2015 | 22 | 2015 |
| Does stream water composition at sleepers river in vermont reflect dynamic changes in soils during recovery from acidification? JR Armfield, JN Perdrial, A Gagnon, J Ehrenkranz, N Perdrial, M Cincotta, ... Frontiers in Earth Science 6, 246, 2019 | 18 | 2019 |
Stephen HillierThe James Hutton InstituteVerified email at hutton.ac.uk
