Staff profiles
Mark SimpsonGeothermal Geologist
Qualifications
- BSc
- MSc, Geology
Areas of expertise
- Business Development: Geothermal
- Business Development: Geology/Petrology
- Business Development: Epithermal/Porphyry Systems
- Business Development: LA-ICP-MS
- Business Development: Fluid inclusions
- Business Development: Hyperspectral (SWIR) spectrometry
- Business Development: Epithermal
- Business Development: Hydrothermal alteration
- Business Development: XRD
Publications
Selection of major publications
- Calcite priming of a hydrothermal eruption at South Orakonui, Nga Tamariki Geothermal Field, New Zealand, Journal of Volcanology and Geothermal Research 466: article 108409. DOI: 10.1016/j.jvolgeores.2025.108409. article 108409
- Hydrothermal alteration at the Karangahake epithermal Au-Ag deposit, Hauraki Goldfield, New Zealand, Economic Geology 114(2): p. 243-273. DOI: 10.5382/econgeo.2019.4630. p. 243-273
- Exploration for epithermal AuAg deposits in New Zealand : history and strategy, New Zealand Journal of Geology and Geophysics 62(4): p. 414-441. DOI: 10.1080/00288306.2019.1677251. p. 414-441
- Hydrothermal alteration mineralogical footprints for New Zealand epithermal Au-Ag deposits, New Zealand Journal of Geology and Geophysics 62(4): p. 483-512. DOI: 10.1080/00288306.2019.1577278. p. 483-512
- Short-wave infrared (SWIR) reflectance spectrometric characterisation of clays from geothermal systems of the Taupo Volcanic Zone, New Zealand, Geothermics 73: p. 74-90. DOI: 10.1016/j.geothermics.2018.01.006. p. 74-90
- Ngatamariki geothermal system: magmatic to epithermal transition in the Taupo Volcanic Zone, New Zealand, Economic Geology 112(2): p. 319-346. DOI: 10.2113/econgeo.112.2.319. p. 319-346
- Undeveloped high-enthalpy geothermal fields of the Taupo Volcanic Zone, New Zealand, Taupo Volcanic Zone geothermal systems, New Zealand: Exploration, science and development : p. 325-346. DOI: 10.1016/j.geothermics.2015.08.006. p. 325-346
- Fluid inclusion chemistry of adularia-sericite epithermal Au-Ag deposits of the southern Hauraki goldfield, New Zealand, Economic Geology 110(3): p. 763-786. DOI: 10.2113/econgeo.110.3.763. p. 763-786
- Synchrotron FTIR microscopy of synthetic and natural CO2-H2O fluid inclusions, Vibrational Spectroscopy 75: p. 136-148. DOI: 10.1016/j.vibspec.2014.08.003. p. 136-148
- Quantifying metasomatism in epithermal Au-Ag deposits : a case study from the Waitekauri area, New Zealand, Economic Geology 106(6): p. 999-1030. DOI: 10.2113/econgeo.106.6.999. p. 999-1030
- Hydrothermal alteration and veins at the epithermal Au-Ag deposits and prospects of the Waitekauri area, Hauraki goldfield, New Zealand, Economic Geology 106(6): p. 945-973. DOI: 10.2113/econgeo.106.6.945. p. 945-973
- The significance of clathrates in fluid inclusions and the evidence for overpressuring in the Broadlands-Ohaaki geothermal system, New Zealand, Economic Geology 102(1): p. 127-135. p. 127-135
- Epithermal Au-Ag and related deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand, Economic Geology 102(5): p. 785-816. DOI: 10.2113/gsecongeo.102.5.785. p. 785-816
- The Favona epithermal gold-silver deposit, Waihi, New Zealand, Economic Geology 102(5): p. 817-839. p. 817-839