Dr Andrew Miles

Andrew MilesLecturer in Igneous Petrology

Tel: +44 (0)116 373 6449
Email: ajm131@le.ac.uk

 

Research

Research group: Volcanoes, Tectonics and Mineral Resources

My research focuses on investigating the chemical stratigraphy of robust accessory minerals to understand the generation and evolution of silicic magmas within the Earth’s crust. These minerals often document multiple stages of magma evolution which coupled with their inventory of key elements enables better constraints on a wide variety of igneous processes, including:

  1. Rates of magma generation and emplacement
  2. Magma sources
  3. Mineralisation processes
  4. Magma degassing histories
  5. Magma redox conditions

These processes have direct applications for the evolution of Earth’s continental crust, mineralisation and exploration for geothermal energy.

Publications

 

  • Stokes, T.N., Bromiley, G.D., Potts, N.J., Saunders, K.E., Miles, A.J., EIMF., 2018, The effect of melt composition and oxygen fugacity on manganese partitioning between apatite and silicate melt. Chemical Geology (Under review).
  • Woodcock, N.H., Soper, N.J., Miles, A.J., 2018, Age of the Acadian deformation and Devonian granites in northern England reviewed. PYGS (under review)
  • Miles, A.J., and Woodcock, N.H., 2018. A combined geochronological approach to investigating long lived granite magmatism, the Shap granite, UK. Lithos, 304, 245-257.
  • Brugge, E., Wilkinson, J.J., and Miles, A.J., 2017. Habit and chemistry of apatite at Chuquicamata, Chile, In: Proceedings; 15th Biennial Society for Geology Applied to Mineral Deposits (SGA) Conference, Quebec City, August 2017, 287–290.
  • Brugge, E., Wilkinson, J.J., Miles, A.J., 2017, Fingerprinting fertile porphyry magmas using apatite. Applied Earth Sciences, 126 (2), 46-47.
  • Miles, A.J., Graham, C.M., Gillespie, M.R., Hawkesworth, C.J., Hinton, R.W., 2016, Reply to comment by Marks et al. (2016) on 'Apatite: A new redox proxy for silicic magmas?' Geochimica et Cosmochimica Acta, v.183, p. 271-273.
  • Miles, A.J., Woodcock, N.H., Hawkesworth, C.J., 2016, Tectonic controls on post-subduction granite genesis and emplacement: the Late Caledonian suite of Britain and Ireland: Gondwana Research, v.39, p. 250-260.
  • Jarvis, I., Gröcke, D., Laurin, J., Selby, D., Roest-Ellis, S., Miles, A.J., Lingnum, J., Gale, A., Kennedy, J., 2016, Paired carbon stable-isotope records for the Cenomanian Stage (100.5-93.9 Ma): correclation tool and Late Cretaceous pCO2 record? EGU 2016 (Abstract)
  • Miles, A.J., Graham, C.M., Gillespie, M.R., Hawkesworth, C.J., Hinton, R.W. 2015, Apatite: A new redox proxy for silicic magmas? EGU 2015 (Abstract)
  • Bromiley, G.D., Stokes, T., Miles, A.J., 2015 Manganese speciation in apatite: a tool for determining redox conditions in magmas? Goldschmidt 2015 (Abstract).
  • Miles, A.J., Graham, C.M., Gillespie, M.R., Hawkesworth, C.J., Hinton, R.W. 2014, Apatite: A new redox proxy for silicic magmas? Geochimica et Cosmochimica Acta, v. 132, p. 101-119.
  • Miles, A.J., Graham, C.M., Gillespie, M.R., Hawkesworth, C.J., Dhuime, B., Hinton, R.W. 2014, Using zircon isotope compositions to constrain crustal structure and pluton evolution in a complex lithotectonic terrane: the Iapetus Suture Zone in northern Britain: Journal of Petrology, v. 166, P. 1-19.
  • Miles, A.J., Graham, C.M., Hawkesworth, C.J., Gillespie, M.R., Hinton, R.W., EIMF, 2013, Evidence for distinct stages of magma history recorded by the compositions of accessory apatite and zircon: Contributions to Mineralogy and Petrology, v. 166, p. 1-19.
  • Miles, A.J., Graham, C.M., Hawkesworth, C.J., Gillespie, M.R., Hinton, R.W., EIMF, 2012, Evidence for Distinct Stages of Magma Evolution Recorded in the Composition of Accessory Phases and Whole-Rocks in Silicic Magmas: Mineralogical Magazine (Abstract) v. 76(6), 2107.
  • Miles, A.J., and Cartwright, J.A., 2010, Hybrid flow sills: A new mode of igneous sheet intrusion: Geology, v. 38, p. 343-346.
  • Herbert, S., Gibson, S.A., Norman, D.B., Geist, D.G., Estes, G., Grant, T and Miles, A.J., 2009, Into the field again: re-examining Charles Darwin's 1835 geological work on Isla Santiago (James Island) in the Galapagos Archipelago: Earth Sciences History, 28 (1). pp. 1-31.

Funding and Grants

  • Miles,et al., 2018, NERC Case (Zeiss) studentship award: £89,114 (1st October 2018 - 30 September 2022. £89,114.
  • Wilkinson et al 2017: From Arc Magmas to Ore Systems (FAMOS) consortium. NERC Highlight Topic. May 2017 - April 2021 (10%). Total value of grant: £3M
  • Miles, A.J. and Wodcock, N.H., Grant in kind for 24 hour access to NERC ion microprobe facility, University of Edinburgh. P.I. £5,000. May 2017
  • Satow, C et al 2016: Grant in kind for access to SUERC (Does sea level influence the eruption frequency of island volcanoes?). Co.I. £54,000.
  • Wilkinson, J. J. and Miles, A.J. 2016, NERC Case (Rio Tinto) studentship award: £89,114 (1st October 2016 - 30 September 2020. £89,114.

Research Students

Ongoing:

  • Miss Jessica Berry (Leicester) - An accessory mineral approach to understanding post-subduction magmatism and mineralisation (NERC Case, Zeiss).
  • Miss Yannick Withoos (Leicester) - Hazardous explosive eruptions at a flooded caldera volcano, Philippines (NERC Centa)
  • Miss Emily Brugge (Imperial) - Apatite as a probe of porphyry (NERC Case, Rio Tinto)

Completed

  • Mr Philip Bird (Kingston University, 2013 - 2016) The world class Kibali orogenic gold deposit (completed)
  • Mr David Holder (Kingston University, 2012-2016 ) Geological fluid and geochemical controls and exploration criteria for epithermal gold in the Certej mineral district of Western Romania (completed)

Teaching

  • GL1101 - The Rock Cycle
  • GL1100 - Tutorials
  • GL2100 - Geological Field Skills
  • GL2103 - Magmatic and Metamorphic Processes
  • GL3070 - Physical Volcanology
  • GL3072 - Dissertations
  • GL4017 - Hot Topics

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Contact Details

School of Geography, Geology and the Environment
University of Leicester
University Road
Leicester
LE1 7RH, UK

T: +44 (0)116 252 3933
E: geology@le.ac.uk

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