3D geological and geophysical modelling

3D implicit and probabilistic geological and geophysical modelling of a complex mineralised terrane in NW Tasmania

Degree type

PhD

Closing date

10 October 2022

Campus

Hobart

Citizenship requirement

Domestic/International

About the research project

A large, long-running project developing software for probabilistic 3D geological and geophysical modelling, LOOP 3D, is now well advanced with a range of Python code libraries.  It promises to enable automatic creation of 3D geological models directly from geological observations such as contacts and structural measurements.  The code has been tested with success in a range of terranes, but has yet to be demonstrated in complex geology such as the mineralised Dundas Trough of western Tasmania.  This project addresses that research challenge, using the region in the vicinity of the Hellyer and Que River VMS deposits in NW Tasmania.

The 3D model(s) developed will be tested in the Loop environment using geophysical data (particularly potential field.  Some code development to incorporate inversion results may be required to facilitate this.  In addition to modelling existing geophysical data (mainly potential field), ambient seismic noise tomography is proposed with the student deploying an array of seismometers covering the Hellyer ore deposit and encompassing a broad spectrum of Tasmanian Geology, for example lithologies associated with the Cambrian Mt Read Volcanics and Proterozoic Rocky Cape Group (please see accompanying map). Ambient seismic data will be used as a constraint in construction of a 3D model of the study area using LOOPs 3D geological, structural and probabilistic modelling software https://loop3d.github.io/.

Analytical project costs will be supported by MRT $10,000 per annum towards research costs.

Primary Supervisor

Meet Dr Matthew Cracknell

Funding

Applicants will be considered for a Research Training Program (RTP) scholarship or Tasmania Graduate Research Scholarship (TGRS) which, if successful, provides:

  • a living allowance stipend of $28,854 per annum (2022 rate, indexed annually) for 3.5 years
  • a relocation allowance of up to $2,000
  • a tuition fees offset covering the cost of tuition fees for up to four years (domestic applicants only)

If successful, international applicants will receive a University of Tasmania Fees Offset for up to four years.

As part of the application process you may indicate if you do not wish to be considered for scholarship funding.

Eligibility

Applicants should review the Higher Degree by Research minimum entry requirements.

Additional eligibility criteria specific to this project/scholarship:

  • Applicants must be able to undertake the project on-campus
  • English language score must be above minimum entry requirements for this project

Selection Criteria

The project is competitively assessed and awarded.  Selection is based on academic merit and suitability to the project as determined by the College.

Additional essential selection criteria specific to this project:

  • BSc (hons) or equivalent in geology or geophysics, or with relevant employment experience, python programming

Additional desirable selection criteria specific to this project:

  • Experience with geophysical modelling and simulations, geochemical data interpretation, and/or data analytics

Application process

There is a three-step application process:

  1. Select your project, and check you meet the eligibility and selection criteria;
  2. Contact the Primary Supervisor, Dr Matthew Cracknell to discuss your suitability and the project's requirements; and
  3. Submit an application by the closing date listed above.
    • Copy and paste the title of the project from this advertisement into your application. If you don’t correctly do this your application may be rejected.
    • As part of your application, you will be required to submit a covering letter, a CV including 2 x referees and your project research proposal.

Following the application closing date applications will be assessed within the College. Applicants should expect to receive notification of the outcome by email by the advertised outcome date.

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