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Dr Alison Halton

Project Officer/ Manager

Professional Services

alison.halton@open.ac.uk

Biography

Professional biography

I am Project Officer in the Ar lab in the Faculty of Science, Technology, Engineering and Maths and am reposonsible for the day to day operation and activity of the Argon-Argon and Noble Gas Research Laboratory and for managing the external work undertaken by the laboratory.

My research has been largely focused on the Ar/Ar dating of basalts, initally focusing on the Faroe Islands, where Paleocene-Eocene basalts are associated with the North Atlantic Large Igneous Province and the initial opening of the North Atlantic Ocean and more recently, basalts (and other volcanic rocks) from all over world. I am currently involved in a wide range of research on going in the lab, including insitu Ar/Ar studies on samples from various metamorphic terranes and noble gas research on young volcanic materials as well as in the development of new techniques and applications of the laser based Ar dating and noble gas research taking place at the Open University.

I am Radiation Protection Supervisor and Laser Protection Supervisor for work undertaken in the Gass and Wolfson Buildings on campus and for work using the portable XRF equipment and in 2019 completed a Nebosh General Certificate in Occupational Heath and Safety.

Research interests

PhD Student Supervision

Sander Hoogendoorn: Completed 2024

Simone Cogliati: Completed 2019

Eleni Wood: Completed 2019

Previous Research

  • 2011 – 2013: Project Officer The Open University, Timing of volcanism and intrusive activity in and around the Faroe Islands
  • PhD 2011, The Open University “PhD: Paleocene-Eocene Time-Stratigraphic Calibration in the North Atlantic Igneous Province with Focus on the Faroes-Shetland Basin Area”

Publications

Journal Article

Emplacement history of the Central Anatolian Ophiolites: insights from the Felahiye Ophiolite in Central Türkiye (2025)

Evidence for long-lived (>100 Myr) continental intraplate volcanism: Mongolia since the last ocean closure (2024)

Allanite U–Pb dating places new constraints on the high‐pressure to high‐temperature evolution of the deep Himalayan crust (2024)

New evidence for the presence of the Inner Tauride Ocean: Lithological, geochronological and P-T correlations with the Tavşanlı and Afyon zones of Central Anatolia (Türkiye) (2023)

Late Cretaceous – Paleogene tectonothermal evolution of the Akdağ Massif in the central anatolian crystalline complex (northern Kayseri, central Turkey) (2023)

Geochronology and geochemistry of the South Scotia Ridge: Miocene island arc volcanism of the Scotia Sea (2021)

The 40Ar–39Ar dating and geochemistry of the Carpathian C1 obsidians (Zemplín, Slovakia) (2021)

Tracking the behaviour of persistently degassing volcanoes using noble gas analysis of Pele's hairs and tears: A case study of the Masaya volcano (Nicaragua) (2021)

Expanding the toolbox for dating basaltic lava sequences: 40Ar–39Ar dating of silicic volcanic glass from interbeds (2021)

Structural and metamorphic inheritance controls strain partitioning during orogenic shortening (Kalak Nappe Complex, Norwegian Caledonides) (2020)

Oligocene deformation of the Chuandian terrane in the SE margin of the Tibetan Plateau related to the extrusion of Indochina (2020)

Simultaneous and extensive removal of the East Asian lithospheric root (2020)

Evidence for southward subduction of the Mongol-Okhotsk oceanic plate: Implications from Mesozoic adakitic lavas from Mongolia (2020)

Geochronology of volcanically associated hydrocarbon charge in the pre-salt carbonates of the Namibe Basin, Angola (2020)

The lawsonite-glaucophane blueschists of Elba Island (Italy) (2019)

Volcanic constraints on the unzipping of Africa from South America: Insights from new geochronological controls along the Angola margin (2019)

Widespread tephra dispersal and ignimbrite emplacement from a subglacial volcano (Torfajökull, Iceland) (2019)

New 40Ar/39Ar dating of the Antrim Plateau Volcanics, Australia: clarifying an age for the eruptive phase of the Kalkarindji continental flood basalt province (2018)

Argon redistribution during a metamorphic cycle: Consequences for determining cooling rates (2016)

Argon behaviour in an inverted Barrovian sequence, Sikkim Himalaya: the consequences of temperature and timescale on 40Ar/39Ar mica geochronology (2015)

Eocene volcanism in offshore southern Baffin Bay (2015)

Timing and conditions of peak metamorphism and cooling across the Zimithang Thrust, Arunachal Pradesh, India (2014)

Observation of centimetre-scale argon diffusion in alkali feldspars: implications for 40Ar/39Ar thermochronology (2014)

Presentation / Conference

Noble gas behaviour in pumice: Implications for volcanic degassing (2020)

Noble gases: A tool to track the degassing of active volcanic systems (2017)

Understanding the degassing of young volcanic systems using noble gases (2017)

STAMP across the Eastern Himalaya: ages and stages of burial, transformation and early exhumation (2013)

High resolution determination of orogenic cooling rates: an eastern Himalayan example (2013)

Thesis

Paleocene-Eocene time-stratigraphic calibration in the North Atlantic igneous province with focus on the Faroes-Shetland basin area (2010)