51cg

People

Professor John Parnell

Professor John Parnell
Professor John Parnell
Professor John Parnell

Chair in Geology & Petroleum Geology

51cg
Email Address
j.parnell@abdn.ac.uk
Telephone Number
+44 (0)1224 273464
School/Department
School of Geosciences
Publications

Page 1 of 3 Results 1 to 100 of 300

  • Chernovite-(Y) and a uranium hot spot in the City of Aberdeen: oxidative mineralization of an orogenic unconformity

    Parnell, J., Armstrong, J. G. T.
    Geochemistry: Exploration, Environment, Analysis
    Contributions to Journals: Articles

  • Hot-springs through time, and how to find them

    Brasier, A., Capezzuoli, E., Vonhof, H., Weij, R., Verdegaal, S. J. A., Brogi, A., Rogerson, M., Pufahl, P., Hetherington, A. J., Han, C., Parnell, J.
    Geological Society Special Publications
    Contributions to Journals: Articles

  • Progress in Resource Evaluation Using a Handheld Raman Instrument Developed for Astronaut Missions

    Armstrong, J. G. T., McHugh, M., Parnell, J., Lerman, H., Moral, A. G., Hutchinson, I. B.
    Journal of Raman Spectroscopy, vol. 56, no. 11, pp. 1418-1433
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Terrestrial Lithium Exploration Adapted From Raman Diagnosis of Phyllosilicates for Mars

    McHugh, M., Armstrong, J. R., Parnell, J., Lerman, H. N., Malherbe, C., Hutchinson, I. B.
    Journal of Raman Spectroscopy, vol. 56, no. 11, 1378-1385
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Graphitization of Neoproterozoic sedimentary marbles in The Aird, Scottish Highlands

    Heptinstall, E. a., Parnell, J., Schito, A., Boyce, A. j., Armstrong, J. g., Muirhead, D.
    Scottish Journal of Geology, vol. 60, no. 2, sjg2023-013
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
    • [ONLINE]

  • The sulphur isotope record of sulphides in Paleoproterozoic successions, North-West Scotland

    Armstrong, J. G. T., Parnell, J., Drummond, D. A., Boyce, A. J.
    Applied Earth Science, vol. 133, no. 3, pp. 153-161
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Speciation of trace elements in the Bowland Shale

    Parnell, J., Nwoko, K., Feldmann, J., Armstrong, J.
    Geological Society, London, Special Publications, vol. 534, no. 1, pp. 241-256
    Contributions to Journals: Articles
    • [ONLINE]
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • The record of coal exploration in the Ordovician-Silurian in the Southern Uplands of Scotland and the north of Ireland

    Parnell, J., Armstrong, J. G. T., Lings, A.
    Earth and Environmental Science Transactions of the Royal Society of Edinburgh, vol. 115, no. 1-2
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • An introduction to the Bowland Shale Formation, UK: processes and resources

    Emmings, J. F., Parnell, J., Stephenson, M. H., Lodhia, B. H.
    Geological Society Special Publication, vol. 534, no. 1, pp. 1-18
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]

  • Trace element release from Bowland Shale into spring water in Lancashire

    Armstrong, J. G. T., Parnell, J., Boyce, A. J., Perez, M.
    Geological Society Special Publication, vol. 534, pp. 229-239
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Cycling of rare earth elements at the Precambrian-Cambrian boundary

    Armstrong, J. G. T., Parnell, J.
    Global and Planetary Change, vol. 236, 104434
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Molecular and mineral biomarker record of terrestrialization in the Rhynie Chert

    Akinsanpe, T., Bowden, S., Parnell, J.
    Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 640, 112101
    Contributions to Journals: Articles
    • [ONLINE]
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Trace element minerals from carbonatite-related fluids, The Aird, Scotland

    Heptinstall, E. A., Parnell, J., Boyce, A. J., Still, J. W.
    Scottish Journal of Geology, vol. 59, no. 1-2, sjg2021-015
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]

  • The stable isotope (C, O, S) record of Paleoproterozoic marbles, Scotland

    Parnell, J., Boyce, A. J., Armstrong, J. G., Schito, A., Muirhead, D.
    Scottish Journal of Geology, vol. 59, no. 1-2, sjg2023-009
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • The Role of Organic Carbon in the Southern Uplands-Down-Longford Terrane Accretionary Prism, Scotland and Ireland

    Parnell, J., Armstrong, J., Blamey, N., Boyce, A. J., Schito, A., Muirhead, D.
    Petroleum Geoscience, vol. 29, no. 3
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [OPEN ACCESS]

  • Surface expression of Late Caledonian magmatic lithium concentration, in the Rhynie Chert, UK

    Parnell, J., Armstrong, J.
    Geochemistry: Exploration, Environment, Analysis, vol. 23, no. 3
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Fluorine mapping via LA-ICP-MS/MS: a proof of concept for biological and geological specimens

    Clases, D., Gonzalez de Vega, R., Parnell, J., Feldmann, J.
    Journal of Analytical Atomic Spectrometry, vol. 38, no. 8, pp. 1661-1667
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Copper, Uranium and REE Mineralisation in an Exhumed Oil Reservoir, Southwest Orkney, Scotland

    Heptinstall, E. A., Parnell, J., Armstrong, J. G., Schito, A., Akinsanpe, T. O.
    Geosciences (Switzerland), vol. 13, no. 5, 151
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Low-Temperature Fluorocarbonate Mineralization in Lower Devonian Rhynie Chert, UK

    Parnell, J., Akinsanpe, T. O., Still, J. W., Schito, A., Bowden, S. A., Muirhead, D. K., Armstrong, J. G. T.
    Minerals, vol. 13, no. 5, 595
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • The world’s first environmental clean-up happened 400 million years ago

    Parnell, J.
    The Conversation
    Contributions to Specialist Publications: Articles
    • [ONLINE]

  • Towards a kerogen-to-graphite kinetic model by means of Raman spectroscopy  

    Schito, A., Muirhead, D., Parnell, J.
    Earth Science Reviews, vol. 237, 104292
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • First Irish occurrence of stibiopalladinite (PD5(SB,AS)2) in the Dooros Serpentinite, Connemara

    Heptinstall, E., Parnell, J.
    Irish Journal of Earth Sciences, vol. 40, pp. 131-136
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]

  • Trace element geochemistry in the earliest terrestrial ecosystem, the Rhynie Chert

    Parnell, J., Akinsanpe, T. O., Armstrong, J., Boyce, A. J., Still, J., Bowden, S., Clases, D., Gonzalez de Vega, R., Feldmann, J.
    Geochemistry, Geophysics, Geosystems , vol. 23, no. 12, e2022GC010647
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Seawater signatures in the supracrustal Lewisian Complex, Scotland

    Parnell, J., Boyce, A. J., Næraa, T.
    Geological Magazine, vol. 159, no. 9, pp. 1638 - 1646
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Thermal conductivity of basalt between 225 and 290 K

    Halbert, D. C., Parnell, J.
    Meteoritics & Planetary Sciences, vol. 57, no. 8, pp. 1617-1626
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [OPEN ACCESS]
    • [ONLINE]
    • [ONLINE]

  • Vanadium for green energy: increasing demand but with health implications in volcanic terrains

    Parnell, J.
    GeoHealth, vol. 6, no. 7, e2021GH000579
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • The Effect of Grain Size on Porewater Radiolysis

    DeWitt, J., McMahon, S., Parnell, J.
    Earth and Space Science, vol. 9, no. 6, e2021EA002024
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Hydrothermal generation of hydrocarbons in basement rocks, Southern Tuscany

    Schito, A., Muirhead, D., Bowden, S., Parnell, J.
    Italian Journal of Geosciences, vol. 141, no. 2, pp. 231-244
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Snowball Earth to Global Warming: Coupled vanadium-carbonaceous deposits in the Cryogenian-Cambrian

    Parnell, J.
    Ore Geology Reviews, vol. 145, 104876
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Carbonaceous residues in the Southern Uplands accretionary prism of Ireland and Scotland

    Schito, A., Muirhead, D., Parnell, J.
    Scottish Journal of Geology, vol. 58, no. 1, pp. 1-8
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Carbon in Mineralised Plutons

    Armstrong, J. G., Parnell, J., Boyce, A. J.
    Geosciences (Switzerland), vol. 12, no. 5, 202
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • How plankton helped create the Earth's mountains 2 billion years ago

    Parnell, J.
    The Conversation
    Contributions to Specialist Publications: Articles
    • [ONLINE]

  • Mixed metamorphic and fluid graphite deposition in Palaeoproterozoic supracrustal rocks of the Lewisian Complex, NW Scotland

    Parnell, J., Brolly, C. V., Boyce, A.
    Terra Nova, vol. 33, no. 6, pp. 541-550
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Raman analysis of a shocked planetary surface analogue: Implications for habitability on Mars

    McHugh, M., Parnell, J., Hutchinson, I. B., Lerman, H. N., Edwards, H. G., Burchell, M. J., Cole, M. J., Moral, A., Lopez-Reyes, G., Perez, C., Arranz, A., Veneranda, M., Manrique, J. A., Rull, F.
    Journal of Raman Spectroscopy, vol. 52, no. 12, pp. 2166-2177
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Increased biomass and carbon burial 2 billion years ago triggered mountain building

    Parnell, J., Brolly, C.
    Communications Earth & Environment, vol. 2, 238
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Early diagenesis at and below Vera Rubin ridge, Gale crater, Mars

    Turner, S. M., Schwenzer, S. P., Bridges, J. C., Rampe, E. B., Bedford, C. C., Achilles, C. N., McAdam, A. C., Mangold, N., Hicks, L. J., Parnell, J., Fraeman, A. A., Reed, M. H.
    Meteoritics and Planetary Science, vol. 56, no. 10, pp. 1905-1932
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Graphite from Palaeoproterozoic enhanced carbon burial, and its metallogenic legacy

    Parnell, J., Brolly, C., Boyce, A.
    Geological Magazine, vol. 158, no. 9, pp. 1711-1718
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • The sequestration of trace metals preserved in pyritized burrows

    Brolly, C., Parnell, J., Wang, X.
    Sedimentary Geology, vol. 421, 105959
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Metal flux from dissolution of iron oxide grain coatings in sandstones

    Parnell, J., Wang, X., Raab, A., Feldmann, J., Brolly, C., Michie, R., Armstrong, J.
    GeoFluids, vol. 2021, 5513490
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Niobium mineralization of sedimentary carbonates, Lewisian Complex, UK

    Parnell, J., Michie, R., Heptinstall, E., Still, J. S.
    Applied Earth Science: Transactions of the Institute of Mining and Metallurgy, vol. 130, no. 3, pp. 133-142
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Reply to discussion on ‘A thermal maturity map based on vitrinite reflectance of British coals’, Journal of the Geological Society, London, 176, 1136–1142, https://doi.org/10.1144/jgs2019-055

    Parnell, J., Bullock, L., Armstrong, J.
    Journal of the Geological Society , vol. 178, no. 2, jgs2020-211
    Contributions to Journals: Editorials
    • [ONLINE] DOI:

  • Carbon in mineralized ultramafic intrusions, Caledonides, northern Britain

    Parnell, J., Armstrong, J., Brolly, C., Boyce, A. J., Heptinstall, E.
    Lithos, vol. 374-375, 105711
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Mars-Analog Calcium Sulfate Veins Record Evidence of Ancient Subsurface Life

    McMahon, S., Parnell, J., Reekie, P. B. R.
    Astrobiology, vol. 20, no. 10, pp. 1212-1223
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]
    • [ONLINE]

  • Minerals and microstructure identification using Raman instruments: Evaluation of field and laboratory data in preparation for space mission

    Malherbe, C., Hutchinson, I. B., McHugh, M., Lerman, H., Harris, L. V., Ingley, R., Edwards, H. M., Parnell, J., Eppe, G.
    Journal of Raman Spectroscopy, vol. 51, no. 9, pp. 1613-1623
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]
    • [ONLINE]

  • Gold in irish coal: Palaeo-concentration from metalliferous groundwaters

    Bullock, L. A., Parnell, J., Armstrong, J. G., Perez, M., Spinks, S.
    Minerals, vol. 10, no. 7, 635
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Fungal transformation of selenium and tellurium located in a volcanogenic sulfide deposit

    Liang, X., Perez, M. A. M., Zhang, S., Song, W., Armstrong, J. G., Bullock, L. A., Feldmann, J., Parnell, J., Csetenyi, L., Gadd, G. M.
    Environmental Microbiology, vol. 22, no. 6, pp. 2346-2364
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Microbial life in impact craters

    Cockell, C. S., Osinski, G., Sapers, H., Pontefract, A., Parnell, J.
    Current Issues in Molecular Biology, vol. 38, no. 1, pp. 75-102
    Contributions to Journals: Review articles
    • [ONLINE]
    • [ONLINE] DOI:

  • Kilometre-scale compartmentalization of fluid sources to a fossil hydrothermal system

    Armstrong, J., Parnell, J., Boyce, A. J., Bullock, L. A.
    Ore Geology Reviews, vol. 116, 103207
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • A TEM and EELS study of carbon in a melt fragment from the Gardnos impact structure

    Lindgren, P., Hallis, L., Hage, F. S., Lee, M. R., Parnell, J., Plan, A., Doye, A., MacLaren, I.
    Meteoritics and Planetary Science, vol. 54, no. 11, pp. 2698-2709
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
    • [ONLINE]

  • A thermal maturity map based on vitrinite reflectance of British coals

    Bullock, L., Parnell, J., Muirhead, D., Armstrong, J., Schito, A., Corrado, S.
    Journal of the Geological Society , vol. 176, no. 6, pp. 1136-1142
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
    • [ONLINE]

  • Emplacement of oil in the Devonian Weardale Granite of northern England

    Baba, M., Parnell, J., Bowden, S., Armstrong, J., Perez, M., Wang, X.
    Proceedings Of The Yorkshire Geological Society, vol. 62, no. 4, pp. 229-237
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Variscan cycling of gold into a global coal reservoir

    Parnell, J.
    Ore Geology Reviews, vol. 114, 103158
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Mobilisation of arsenic, selenium and uranium from Carboniferous black shales in west Ireland

    Armstrong, J., Parnell, J., Bullock, L. A., Boyce, A. J., Perez, M., Feldmann, J.
    Applied Geochemistry, vol. 109, 104401
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
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    • [ONLINE]
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  • Te-rich protolith for PGE mineralisation in NE Scotland

    Armstrong, J., Parnell, J., Perez, M., Feldmann, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
    • [OPEN ACCESS]

  • Naturally propped fractures caused by quartz cementation preserve oil reservoirs in basement rocks

    Baba, M., Parnell, J., Bowden, S. A.
    Terra Nova, vol. 31, no. 4, pp. 343-347
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Detecting ancient life: Investigating the nature and origin of possible stromatolites and associated calcite from a one billion year old lake

    Brasier, A. T., Dennis, P. F., Still, J., Parnell, J., Culwick, T., Brasier, M. D., Wacey, D., Bowden, S. A., Crook, S., Boyce, A. J., Muirhead, D. K.
    Precambrian Research, vol. 328, pp. 309-320
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Coal mining-derived ochres in the UK: a potential selenium trap

    Bullock, L. A., Parnell, J., Perez, M., Armstrong, J. G.
    Geology Today, vol. 35, pp. 140-145
    Contributions to Specialist Publications: Articles
    • [ONLINE] DOI:
    • [ONLINE]

  • Aeolian abrasion of rocks as a mechanism to produce methane in the Martian atmosphere

    Safi, E., Telling, J., Parnell, J., Chojnacki, M., Patel, M. R., Realff, J., Blamey, N. J. F., Payler, S., Cockell, C. S., Davies, L., Boothroyd, I. M., Worrall, F., Wadham, J. L.
    Scientific Reports, vol. 9, 8229
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
    • [ONLINE]

  • Selenium and tellurium concentrations of Carboniferous British coals

    Bullock, L. A., Parnell, J., Feldmann, J., Armstrong, J., Henn, A. S., Mesko, M. F., Mello, P. A., Flores, E. M. M.
    Geological Journal, vol. 54, no. 3, pp. 1401-1412
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
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  • Determination of Se and Te in coal at ultra-trace levels by ICP-MS after microwave-induced combustion

    Rondan, F. S., Henn, A. S., Mello, P. A., Perez, M., Bullock, L. A., Parnell, J., Feldmann, J., Flores, E. M. M., Mesko, M. F.
    Journal of Analytical Atomic Spectrometry, vol. 34, no. 5, pp. 998-1004
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]
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  • Surface mineral crusts: a potential strategy for sampling for evidence of life on Mars

    Brolly, C., Parnell, J., Bowden, S.
    International Journal of Astrobiology, vol. 18, no. 2, pp. 91-101
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
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  • Neoproterozoic copper cycling, and the rise of metazoans

    Parnell, J., Boyce, A. J.
    Scientific Reports, vol. 9, pp. 1-7
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
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  • Oil charge and biodegradation history in an exhumed fractured reservoir, Devonian, UK

    Baba, M., Parnell, J., Muirhead, D., Bowden, S.
    Marine and Petroleum Geology, vol. 101, pp. 281-289
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
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  • Comparative pore surface area in primary and secondary porosity in sandstones

    Nolansnyder, D. R., Parnell, J.
    Journal of Petroleum Science and Engineering, vol. 172, pp. 489-492
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
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  • Methane in sulphides from gold-bearing deposits, Britain and Ireland

    Parnell, J., Spinks, S., Blamey, N.
    Applied Earth Science, vol. 128, no. 3, pp. 89-95
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
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  • Mine-derived ochre precipitates: a potential selenium trap

    Bullock, L. A., Parnell, J., Armstrong, J. G., Perez, M.
    Applied Earth Science: Transactions of the Institute of Mining and Metallurgy, vol. 128, no. 2, pp. 41-42
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]
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  • The geochemistry of oil in Cornish granites

    Baba, M., Parnell, J., Bowden, S.
    Petroleum Geoscience, vol. 25, no. 3, pp. 298-305
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Liberation of Selenium from Alteration of the Bowland Shale Formation: Evidence from the Mam Tor Landslide

    Parnell, J., Bullock, L., Armstrong, J., Perez, M.
    Quarterly Journal of Engineering Geology and Hydrogeology, vol. 51, no. 4, pp. 503-508
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Reduction spheroids preserve a uranium isotope record of the ancient deep continental biosphere

    McMahon, S., Hood, A. v. S., Parnell, J., Bowden, S.
    Nature Communications, vol. 9, 4505
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Demonstrating deep biosphere activity in the geological record of lake sediments, on Earth and Mars

    Parnell, J., McMahon, S., Boyce, A.
    International Journal of Astrobiology, vol. 17, no. 4, pp. 380-385
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]

  • Selenium and tellurium resources in Kisgruva Proterozoic volcanogenic massive sulphide deposit (Norway)

    Bullock, L. A., Perez, M., Armstrong, J., Parnell, J., Still, J., Feldmann, J.
    Ore Geology Reviews, vol. 99, pp. 411-424
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • High selenium in the Carboniferous Coal Measures of Northumberland, North East England

    Bullock, L. A., Parnell, J., Perez, M., Armstrong, J., Feldmann, J., Boyce, A. J.
    International Journal Of Coal Geology, vol. 195, pp. 61-74
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Tellurium, selenium and cobalt enrichment in Neoproterozoic black shales, Gwna Group, UK: Deep marine trace element enrichment during the Second Great Oxygenation Event

    Armstrong, J., Parnell, J., Bullock, L. A., Perez, M., Boyce, A., Feldmann, J.
    Terra Nova, vol. 30, no. 3, pp. 244-253
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Geochemistry and metallogeny of Neoproterozoic pyrite in oxic and anoxic sediments

    Parnell, J., Perez, M., Armstrong, J., Bullock, L., Feldmann, J., Boyce, A. J.
    Geochemical Perspectives Letters, vol. 7, pp. 12-16
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Determination of Se at low concentration in coal by collision/reaction cell technology inductively coupled plasma mass spectrometry

    Henn, A. S., Rondan, F. S., Mesko, M. F., Mello, P. A., Perez, M., Armstrong, J., Bullock, L. A., Parnell, J., Feldmann, J., Flores, E. M.
    Spectrochimica Acta - Part B Atomic Spectroscopy, vol. 143, pp. 48-54
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  • Multi-stage pyrite genesis and epigenetic selenium enrichment of Greenburn coals (East Ayrshire)

    Bullock, L. A., Parnell, J., Perez, M., Boyce, A., Feldmann, J., Armstrong, J.
    Scottish Journal of Geology, vol. 54, no. 1, pp. 37-49
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  • Tellurium and selenium in Mesoproterozoic red beds

    Parnell, J., Spinks, S., Brolly, C.
    Precambrian Research, vol. 305, pp. 145-150
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  • Petroleum generation and migration in the Cambro-Ordovician Laurentian margin succession of NW Scotland

    Parnell, J., Bowden, S., Mark, D.
    Journal of the Geological Society , vol. 175, no. 1, pp. 33-43
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  • The deep history of Earth's biomass

    McMahon, S., Parnell, J.
    Journal of the Geological Society , vol. 175, pp. 716-720
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  • Geochemistry and origin of organic-rich sediment veins in fractured granitic basement, Helmsdale, Sutherlandshire, UK

    Parnell, J., Baba, M., Bowden, S., Bullock, L.
    Marine and Petroleum Geology, vol. 88, pp. 107-114
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  • Tellurium enrichment in Jurassic coal, Brora, Scotland

    Bullock, L., Parnell, J., Perez, M., Feldmann, J.
    Minerals, vol. 7, no. 12, pp. 1-13
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  • Selenium and other trace element mobility in waste products and weathered sediments at Parys Mountain copper mine, Anglesey, UK

    Bullock, L. A., Parnell, J., Perez, M., Feldmann, J., Armstrong, J.
    Minerals, vol. 7, no. 11, pp. 1-19
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  • Source rock maturation owing to igneous intrusion in rifted margin petroleum systems

    Muirhead, D. K., Bowden, S. A., Parnell, J., Schofield, N.
    Journal of the Geological Society , vol. 174, no. 6, pp. 979-987
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  • Quartz-amethyst hosted hydrocarbon-bearing fluid inclusions from the green ridge breccia in the snoqualmie granite, North Cascades,WA, USA

    Feely, M., Costanzo, A., Lindner, F., George, J., Parnell, J., Bowden, S., Baba, M., Owens, P.
    Minerals, vol. 7, no. 9, pp. 1-16
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  • Emplacement and biodegradation of oil in fractured basement: the ‘coal’ deposit in Moinian gneiss at Castle Leod, Ross-shire

    Parnell, J., Baba, M., Bowden, S.
    Earth and Environmental Science Transactions of the Royal Society of Edinburgh , vol. 107, no. 1, pp. 23-32
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  • Selenium and molybdenum enrichment in uranium roll-front deposits of Wyoming and Colorado, USA

    Bullock, L. A., Parnell, J.
    Journal of Geochemical Exploration, vol. 180, pp. 101-112
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  • Hydrogen from Radiolysis of Aqueous Fluid Inclusions during Diagenesis

    Parnell, J., Blamey, N.
    Minerals, vol. 7, no. 8, pp. 1-8
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  • Raman spectroscopy of shocked gypsum from a meteorite impact crater

    Brolly, C., Parnell, J., Bowden, S.
    International Journal of Astrobiology, vol. 16, no. 3, pp. 286-292
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  • Impact of oil emplacement on diagenesis in Cretaceous oil sands

    Bata, T., Parnell, J., Samaila, N. K., Still, J.
    Bulletin of Canadian Petroleum Geology, vol. 65, no. 2, pp. 327-342
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  • Global hydrogen reservoirs in basement and basins

    Parnell, J., Blamey, N.
    Geochemical Transactions, vol. 18, 2
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  • Subsurface biodegradation of crude oil in a fractured basement reservoir, Shropshire, UK

    Parnell, J., Baba, M., Bowden, S., Muirhead, D.
    Journal of the Geological Society , vol. 174, no. 4, pp. 655-666
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  • Deep hydrothermal activity in hydrocarbon reservoirs, South Kuwait

    Al-Hajeri, M. M., Parnell, J., Bowden, S., Costanzo, A., Feely, M.
    Arabian Journal of Geosciences, vol. 10, no. 2, 41
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  • A black shale protolith for gold-tellurium mineralization in the Dalradian Supergroup (Neoproterozoic) of Britain and Ireland

    Parnell, J., Perez, M., Armstrong, J., Bullock, L., Feldmann, J., Boyce, A. J.
    Applied Earth Science, vol. 126, no. 4, pp. 161-175
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  • Characterization of organic matter in the Torridonian using Raman spectroscopy

    Muirhead, D. K., Parnell, J., Spinks, S., Bowden, S. A.
    Geological Society Special Publications , vol. 448, pp. 71-80
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  • Contrasting microfossil preservation and lake chemistries within the 1200–1000 Ma Torridonian Supergroup of NW Scotland

    Wacey, D., Brasier, M., Parnell, J., Culwick, T., Bowden, S., Spinks, S., Boyce, A. J., Davidheiser-Kroll, B., Jeon, H., Saunders, M., Kilburn, M. R.
    Earth System Evolution and Early Life: a Celebration of the Work of Martin Brasier. Brasier, A. T., McIlroy, D., McLoughlin, N. (eds.). Geological Society of London, pp. 105-119, 15 pages
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  • Microbial sulphate reduction during Neoproterozoic glaciation, Port Askaig Formation, UK

    Parnell, J., Boyce, A. J.
    Journal of the Geological Society , vol. 174, pp. 850-854
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  • Identification, Geochemical Characterisation and Significance of Bitumen among the Grave Goods of the 7th Century Mound 1 Ship-Burial at Sutton Hoo (Suffolk, UK)

    Burger, P., Stacey, R. J., Bowden, S. A., Hacke, M., Parnell, J.
    PloS ONE, vol. 11, no. 12, e0166276
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  • Evidence for Seismogenic Hydrogen Gas, a Potential Microbial Energy Source on Earth and Mars

    McMahon, S., Parnell, J., Blamey, N. J. F.
    Astrobiology, vol. 16, no. 9, pp. 690-702
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  • Paradigm shift in determining Neoproterozoic atmospheric oxygen

    Blamey, N. J. F., Brand, U., Parnell, J., Spear, N., Lécuyer, C., Benison, K., Meng, F., Ni, P.
    Geology, vol. 44, no. 8, pp. 651-654
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  • A micrometeorite record in Ordovician Durness Group limestones, Isle of Skye

    Parnell, J., Salter, N., West, P.
    Earth and Environmental Science Transactions of the Royal Society of Edinburgh , vol. 106, no. 2, pp. 81-87
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