| High selenium in the Carboniferous coal measures of Northumberland, North East England LA Bullock, J Parnell, M Perez, JG Armstrong, J Feldmann, AJ Boyce International Journal of Coal Geology 195, 61-74, 2018 | 31 | 2018 |
| Mobilisation of arsenic, selenium and uranium from Carboniferous black shales in west Ireland JGT Armstrong, J Parnell, LA Bullock, AJ Boyce, M Perez, J Feldmann Applied geochemistry 109, 104401, 2019 | 27 | 2019 |
| Selenium and tellurium resources in Kisgruva Proterozoic volcanogenic massive sulphide deposit (Norway) LA Bullock, M Perez, JG Armstrong, J Parnell, J Still, J Feldmann Ore Geology Reviews 99, 411-424, 2018 | 22 | 2018 |
| A black shale protolith for gold-tellurium mineralisation in the Dalradian Supergroup (Neoproterozoic) of Britain and Ireland J Parnell, M Perez, J Armstrong, L Bullock, J Feldmann, AJ Boyce Applied Earth Science 126 (4), 161-175, 2017 | 21 | 2017 |
| Selenium and other trace element mobility in waste products and weathered sediments at Parys Mountain copper mine, Anglesey, UK LA Bullock, J Parnell, M Perez, J Feldmann, JG Armstrong Minerals 7 (11), 229, 2017 | 19 | 2017 |
| Tellurium, selenium and cobalt enrichment in Neoproterozoic black shales, Gwna Group, UK: Deep marine trace element enrichment during the Second Great Oxygenation Event JGT Armstrong, J Parnell, LA Bullock, M Perez, AJ Boyce, J Feldmann Terra Nova 30 (3), 244-253, 2018 | 16 | 2018 |
| Fungal transformation of selenium and tellurium located in a volcanogenic sulfide deposit X Liang, MAMJ Perez, S Zhang, W Song, JG Armstrong, LA Bullock, ... Environmental Microbiology 22 (6), 2346-2364, 2020 | 15 | 2020 |
| Selenium and tellurium concentrations of Carboniferous British coals LA Bullock, J Parnell, J Feldmann, JG Armstrong, AS Henn, MF Mesko, ... Geological Journal 54 (3), 1401-1412, 2019 | 14 | 2019 |
| Geochemistry and metallogeny of Neoproterozoic pyrite in oxic and anoxic sediments J Parnell, M Perez, J Armstrong, L Bullock, J Feldmann, AJ Boyce Geochemical Perspectives Letters, 2018 | 14 | 2018 |
| Determination of Se at low concentration in coal by collision/reaction cell technology inductively coupled plasma mass spectrometry AS Henn, FS Rondan, MF Mesko, PA Mello, M Perez, J Armstrong, ... Spectrochimica Acta Part B: Atomic Spectroscopy 143, 48-54, 2018 | 13 | 2018 |
| Multi-stage pyrite genesis and epigenetic selenium enrichment of Greenburn coals (East Ayrshire) LA Bullock, J Parnell, M Perez, A Boyce, J Feldmann, JGT Armstrong Scottish Journal of Geology 54 (1), 37-49, 2018 | 11 | 2018 |
| A thermal maturity map based on vitrinite reflectance of British coals L Bullock, J Parnell, D Muirhead, J Armstrong, A Schito, S Corrado Journal of the Geological Society 176 (6), 1136-1142, 2019 | 7 | 2019 |
| Liberation of selenium from alteration of the Bowland Shale Formation: evidence from the Mam Tor landslide J Parnell, L Bullock, J Armstrong, M Perez Quarterly Journal of Engineering Geology and Hydrogeology 51 (4), 503-508, 2018 | 7 | 2018 |
| Mesoproterozoic surface oxygenation accompanied major sedimentary manganese deposition at 1.4 and 1.1 Ga SC Spinks, EA Sperling, RL Thorne, F LaFountain, AJR White, ... Geobiology 21 (1), 28-43, 2023 | 6 | 2023 |
| Metal flux from dissolution of iron oxide grain coatings in sandstones J Parnell, X Wang, A Raab, J Feldmann, C Brolly, R Michie, J Armstrong Geofluids 2021, 1-14, 2021 | 6 | 2021 |
| Ice-rafting in lakes in the early Neoproterozoic: dropstones in the Diabaig Formation, Torridon Group, NW Scotland A Hartley, B Kurjanski, J Pugsley, J Armstrong Scottish Journal of Geology 56 (1), 47-53, 2020 | 6 | 2020 |
| Gold in Irish coal: Palaeo-concentration from metalliferous groundwaters LA Bullock, J Parnell, JGT Armstrong, M Perez, S Spinks Minerals 10 (7), 635, 2020 | 5 | 2020 |
| Coal mining‐derived ochres in the UK: a potential selenium trap LA Bullock, J Parnell, M Perez, JGT Armstrong Geology Today 35 (4), 140-145, 2019 | 5 | 2019 |
| Trace element geochemistry in the earliest terrestrial ecosystem, the Rhynie Chert J Parnell, TO Akinsanpe, JGT Armstrong, AJ Boyce, JW Still, SA Bowden, ... Geochemistry, Geophysics, Geosystems 23 (12), e2022GC010647, 2022 | 4 | 2022 |
| Low-Temperature Fluorocarbonate Mineralization in Lower Devonian Rhynie Chert, UK J Parnell, TO Akinsanpe, JW Still, A Schito, SA Bowden, DK Muirhead, ... Minerals 13 (5), 595, 2023 | 3 | 2023 |
John ParnellUniversity of AberdeenVerified email at abdn.ac.uk
