Duffy, Marcus-John HughFarrell, N.J.CRaeside, RMuirhead, David KHealy, DBrasier, A TSchofield, N2022-04-132022-04-132021-07Duffy, M-J H, Farrell, N J C, Raeside, R, Muirhead, D K, Healy, D, Brasier, A T & Schofield, N 2021, 'Observations of reservoir quality alteration in proximity to igneous intrusions for two distinct sandstones units in Scotland', Marine and Petroleum Geology, vol. 129, 105071. https://doi.org/10.1016/j.marpetgeo.2021.1050710264-8172ORCID: /0000-0001-6103-2848/work/93483213https://hdl.handle.net/2164/18419Acknowledgements We thank the reviewers and editor for their helpful comments which greatly improved this manuscript. Thanks to John Still from the University of Aberdeen (ACEMAC ) for guidance with SEM/EDS, Colin Taylor for MICP tests and Walter Ritchie for making thin sections. Lorenza Sardisco and Jonathan Wilkins at X-Ray Minerals for XRD analysis and Prof. M.J. Wilson from the James Hutton Institute for valuable discussion of XRD results. Dave Healy acknowledges the support of the Natural Environment Research Council (NERC, UK) through the award NE/N003063/1 ‘Quantifying the Anisotropy of Permeability in Stressed Rock’.164473130engsandstoneintrusionporositypermeabilityreservoir qualitythermal alterationQE GeologyNatural Environment Research Council (NERC)NE/N003063/1Supplementary DataQEJournal article10.1016/j.marpetgeo.2021.105071129