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  • John Parnell
2017

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, MU. & Owens, P., 19 Sep 2017, In : Minerals. 7, 9, p. 1-16 16 p., 174.

Research output: Contribution to journalArticle

Open Access
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4 Citations (Scopus)
7 Downloads (Pure)
2015

Avoiding misidentification of bands in planetary Raman spectra

Harris, L. V., McHugh, M., Hutchinson, I. B., Ingley, R., Malherbe, C., Parnell, J., Olcott Marshall, A. & Edwards, H. G. M., 1 Oct 2015, In : Journal of Raman Spectroscopy. 46, 10, p. 863-872 10 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2019

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. G., Parnell, J. & Eppe, G., 5 Aug 2019, In : Journal of Raman Spectroscopy. 11 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Mine-derived ochre precipitates: a potential selenium trap

Bullock, L. A., Parnell, J., Armstrong, J. G. T. & Perez, M., 2019, In : Applied Earth Science: Transactions of the Institute of Mining and Metallurgy. 128, 2, p. 41-42 2 p.

Research output: Contribution to journalArticle

2012
Open Access
File
18 Citations (Scopus)
5 Downloads (Pure)
2019

Comparative pore surface area in primary and secondary porosity in sandstones

Nolansnyder, D. R. & Parnell, J., Jan 2019, In : Journal of Petroleum Science and Engineering. 172, p. 489-492 4 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
6 Downloads (Pure)
2018

The geochemistry of oil in Cornish granites

Baba, MU., Parnell, J. & Bowden, S., 19 Dec 2018, In : Petroleum Geoscience. 25, 3, p. 298-305 8 p.

Research output: Contribution to journalArticle

Open Access
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1 Downloads (Pure)
2017

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., 2017, 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, Vol. 448. p. 105-119 15 p. (Geological Society Special Publications; vol. 448, no. 1).

Research output: Chapter in Book/Report/Conference proceedingChapter

Open Access
File
3 Citations (Scopus)
8 Downloads (Pure)
2013

Long term geological record of a global deep subsurface microbial habitat in sand injection complexes

Parnell, J., Boyce, A. J., Hurst, A., Davidheiser-Kroll, B. & Ponicka, J., 17 May 2013, In : Scientific Reports. 3, 6 p., 1828.

Research output: Contribution to journalArticle

Open Access
File
12 Citations (Scopus)
8 Downloads (Pure)
2018

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. G. T., Parnell, J., Bullock, L. A., Perez, M., Boyce, A. & Feldmann, J., Jun 2018, In : Terra Nova. 30, 3, p. 244-253 10 p.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
10 Downloads (Pure)
2019

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

Baba, M., Parnell, J. & Bowden, S. A., Aug 2019, In : Terra Nova. 31, 4, p. 343-347 5 p.

Research output: Contribution to journalArticle

Open Access
File
1 Downloads (Pure)
2017

Microbial sulphate reduction during Neoproterozoic glaciation, Port Askaig Formation, UK

Parnell, J. & Boyce, A. J., 2017, In : Journal of the Geological Society . 174, p. 850-854 5 p.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
6 Downloads (Pure)
2019

A thermal maturity map based on vitrinite reflectance of British coals

Bullock, L., Parnell, J., Muirhead, D., Armstrong, J., Schito, A. & Corrado, S., 1 Nov 2019, In : Journal of the Geological Society . 176, 6, p. 1136-1142 7 p.

Research output: Contribution to journalArticle

Open Access
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7 Downloads (Pure)

Neoproterozoic copper cycling, and the rise of metazoans

Parnell, J. & Boyce, A. J., 6 Mar 2019, In : Scientific Reports. 9, 1, 3638.

Research output: Contribution to journalArticle

Open Access
File
5 Downloads (Pure)
2016

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., 1 Dec 2016, In : PloS ONE. 11, 12, e0166276.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
4 Downloads (Pure)
2012

Sampling methane in hydrothermal minerals on Earth and Mars

McMahon, S., Parnell, J. & Blamey, N. J. F., 1 Jul 2012, In : International Journal of Astrobiology. 11, 3, p. 163-167 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2019

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., 1 Nov 2019, In : Meteoritics and Planetary Science. 54, 11, p. 2698-2709 12 p.

Research output: Contribution to journalArticle

Open Access
File
3 Downloads (Pure)
2013

The habitability of vesicles in martian basalt

McMahon, S., Parnell, J., Ponicka, J., Hole, M. J. & Boyce, A., Feb 2013, In : Astronomy & Geophysics. 54, 1, p. 1.17-1.21 5 p.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
5 Downloads (Pure)
2016

Raman spectroscopy: Caution when interpreting organic carbon from oxidising environments

Brolly, C., Parnell, J. & Bowden, S., Feb 2016, In : Planetary and space science. 121, p. 53-59 7 p.

Research output: Contribution to journalArticle

Open Access
File
15 Citations (Scopus)
5 Downloads (Pure)
2014

Survival of organic materials in hypervelocity impacts of ice on sand, ice, and water in the laboratory

Burchell, M. J., Bowden, S. A., Cole, M., Price, M. C. & Parnell, J., 13 Jun 2014, In : Astrobiology. 14, 6, p. 473-485 13 p.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
5 Downloads (Pure)
2018

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

Parnell, J., McMahon, S. & Boyce, A., Oct 2018, In : International Journal of Astrobiology. 17, 4, p. 380-385 6 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
8 Downloads (Pure)
2014

Preservation of Mesoproterozoic age deep burial fluid signatures, NW Scotland

Parnell, J., Blamey, N. J. F., Costanzo, A., Feely, M. & Boyce, A. J., Aug 2014, In : Marine and Petroleum Geology. 55, p. 275-281 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Raman spectroscopy on Mars: Identification of geological and bio-geological signatures in Martian analogues using miniaturized Raman spectrometers

Hutchinson, I. B., Ingley, R., Edwards, H. G. M., Harris, L., McHugh, M., Malherbe, C. & Parnell, J., 13 Dec 2014, In : Philosophical transactions of the royal society a-Mathematical physical and engineering sciences. 372, 2030, p. 1-13 13 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2015

Evidence for methane in martian meteorites

Blamey, N. J. F., Parnell, J., McMahon, S., Mark, D. F., Tomkinson, T., Martin, L., Shivak, J., Izawa, M. R. M., Banerjee, N. R. & Fleming, R. L., 16 Jun 2015, In : Nature Communications. 6, 7 p., 7399.

Research output: Contribution to journalArticle

Open Access
File
35 Citations (Scopus)
5 Downloads (Pure)
2012

Evidence for life in the isotopic analysis of surface sulphates in the Haughton impact structure, and potential application on Mars

Parnell, J., Boyce, A. J., Osinski, G. R., Izawa, M. R. M., Banerjee, N., Flemming, R. & Lee, P., Apr 2012, In : International Journal of Astrobiology. 11, 2, p. 93-101 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2016

Evidence for Seismogenic Hydrogen Gas, a Potential Microbial Energy Source on Earth and Mars

McMahon, S., Parnell, J. & Blamey, N. J. F., 1 Sep 2016, In : Astrobiology. 16, 9, p. 690-702 13 p.

Research output: Contribution to journalArticle

Open Access
File
10 Citations (Scopus)
7 Downloads (Pure)
2014

Limits on methane release and generation via hypervelocity impact of Martian analogue materials

Price, M. C., Ramkissoon, N. K., McMahon, S., Miljkovic, K., Parnell, J., Wozniakiewicz, P. J., Kearsley, A. T., Blamey, N. J. F., Cole, M. J. & Burchell, M. J., Apr 2014, In : International Journal of Astrobiology. 13, 2, p. 132-140 9 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
3 Downloads (Pure)
2011

Weathering of post-impact hydrothermal deposits from the Haughton impact structure: implications for microbial colonization and biosignature preservation

Izawa, M. R. M., Banerjee, N. R., Osinski, G. R., Flemming, R. L., Parnell, J. & Cockell, C. S., 2 Aug 2011, In : Astrobiology. 11, 6, p. 537-550 14 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

The Stac Fada "Impact Ejecta" Layer: Not What it Seems

Osinski, G. R., Preston, L., Ferriere, L., Prave, T., Parnell, J., Singleton, A. & Pickersgill, A. E., Jul 2011, In : Meteoritics & Planetary Sciences. 46, p. A181-A181 1 p.

Research output: Contribution to journalArticle

Preservation of organic matter in the STONE 6 artificial meteorite experiment

Parnell, J., Bowden, S. A., Muirhead, D., Blamey, N., Westall, F., Brack, A., Demets, R., Verchovsky, S. & Brandstätter, F., Mar 2011, In : Icarus. 212, 1, p. 390-402 13 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2014

Detection of reduced carbon in a basalt analogue for martian nakhlite: a signpost to habitat on Mars

Parnell, J., McMahon, S., Blamey, N. J. F., Hutchinson, I. B., Harris, L. V., Ingley, R., Edwards, H. G. M., Lynch, E. & Feely, M., Apr 2014, In : International Journal of Astrobiology. 13, 2, p. 124-131 8 p.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
4 Downloads (Pure)

Weighing the deep continental biosphere

McMahon, S. & Parnell, J., Jan 2014, In : FEMS Microbiology Ecology. 87, 1, p. 113-120 8 p.

Research output: Contribution to journalArticle

90 Citations (Scopus)
2017

Impact of oil emplacement on diagenesis in Cretaceous oil sands

Bata, T., Parnell, J., Samaila, N. K. & Still, J., Jun 2017, In : Bulletin of Canadian Petroleum Geology. 65, 2, p. 327-342 16 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2016

Anomalous supply of bioessential molybdenum in mid-Proterozoic surface environments

Parnell, J. & Lindgren, P., Apr 2016, In : Precambrian Research. 275, p. 100-104 5 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
3 Downloads (Pure)
2011

An inventory of potentially habitable environments on Mars: Geological and biological perspectives

Dohm, J. M., Miyamoto, H., Ori, G. G., Fairén, A. G., Davila, A. F., Komatsu, G., Mahaney, W. C., Williams, J. P., Joye, S. B., Di Achille, G., Oehler, D. Z., Marzo, G. A., Schulze-Makuch, D., Acocella, V., Glamoclija, M., Pondrelli, M., Boston, P., Hart, K. M., Anderson, R. C., Baker, V. R. & 20 others, Fink, W., Kelleher, B. P., Furfaro, R., Gross, C., Hare, T. M., Frazer, A. R., Ip, F., Allen, C. C. R., Kim, K. J., Maruyama, S., McGuire, P. C., Netoff, D., Parnell, J., Wendt, L., Wheelock, S. J., Steele, A., Hancock, R. G. V., Havics, R. A., Costa, P. & Krinsley, D., 1 Dec 2011, Analogs for Planetary Exploration. p. 317-347 31 p. (Special Paper of the Geological Society of America; vol. 483).

Research output: Chapter in Book/Report/Conference proceedingChapter

22 Citations (Scopus)
2019

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., 15 Jul 2019, In : Precambrian Research. 328, p. 309-320 12 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
2018

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

Bullock, L. A., Perez, M., Armstrong, J. G., Parnell, J., Still, J. & Feldmann, J., Aug 2018, In : Ore Geology Reviews. 99, p. 411-424 15 p.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
6 Downloads (Pure)

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. G. T., May 2018, In : Scottish Journal of Geology. 54, 1, p. 37-49 13 p.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
5 Downloads (Pure)
2020

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

Armstrong, J., Parnell, J., Boyce, A. J. & Bullock, L. A., Jan 2020, In : Ore Geology Reviews. 116, 103207.

Research output: Contribution to journalArticle

Open Access
File
3 Downloads (Pure)
2016

Origin of Heavy Oil in Cretaceous Petroleum Reservoirs

Bata, T., Parnell, J., Bowden, S. A. & Boyce, A., Jun 2016, In : Bulletin of Canadian Petroleum Geology. 64, 2, p. 106-118 13 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2014

Carbon dioxide drawdown by Devonian lavas

Parnell, J., Macleod, K. & Hole, M. J., Mar 2014, In : Earth and Environmental Science Transactions of the Royal Society of Edinburgh . 105, 1, p. 1-8 8 p.

Research output: Contribution to journalArticle

Open Access
File
5 Downloads (Pure)
2019

Emplacement of oil in the Devonian Weardale Granite of northern England

Baba, M., Parnell, J., Bowden, S., Armstrong, J., Perez, M. & Wang, X., Nov 2019, In : Proceedings Of The Yorkshire Geological Society. 62, 4, p. 229-237 9 p.

Research output: Contribution to journalArticle

Open Access
File
7 Downloads (Pure)
2012

Heavy metal, sex and granites: Crustal differentiation and bioavailability in the mid-Proterozoic

Parnell, J., Hole, M., Boyce, A. J., Spinks, S. & Bowden, S., Aug 2012, In : Geology. 40, 8, p. 751-754 4 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)
2015

Enhanced microbial activity in carbon-rich pillow lavas, Ordovician, Great Britain and Ireland

Parnell, J., Boyce, A. J., Davidheiser-Kroll, B., Brolly, C., Bowden, S. & Lindgren, P., Sep 2015, In : Geology. 43, 9, p. 827-830 4 p.

Research output: Contribution to journalArticle

Open Access
File
7 Downloads (Pure)
2017
Open Access
File
7 Citations (Scopus)
39 Downloads (Pure)

Selenium and molybdenum enrichment in uranium roll-front deposits of Wyoming and Colorado, USA

Bullock, L. A. & Parnell, J., Sep 2017, In : Journal of Geochemical Exploration. 180, p. 101-112 12 p.

Research output: Contribution to journalArticle

Open Access
File
14 Citations (Scopus)
11 Downloads (Pure)
2012

Origin of vein-graphite derived from metamorphic fluids in moine (Glenfinnan group) rocks, NW Scotland

Wright, A. J., Blamey, N. J. F., Conliffe, J., Costanzo, A. & Parnell, J., 24 May 2012, In : Scottish Journal of Geology. 48, 1, p. 47-59 13 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2018

Geochemistry and metallogeny of Neoproterozoic pyrite in oxic and anoxic sediments

Parnell, J., Perez, M., Armstrong, J., Bullock, L., Feldmann, J. & Boyce, A. J., 2 May 2018, In : Geochemical Perspectives Letters. 7, p. 12-16 5 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
8 Downloads (Pure)
2017

Hydrogen from Radiolysis of Aqueous Fluid Inclusions during Diagenesis

Parnell, J. & Blamey, N., 25 Jul 2017, In : Minerals. 7, 8, p. 1-8 8 p., 130.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
5 Downloads (Pure)
2018

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

Parnell, J., Bullock, L., Armstrong, J. & Perez, M., Nov 2018, In : Quarterly Journal of Engineering Geology and Hydrogeology. 51, 4, p. 503-508 6 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
5 Downloads (Pure)