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PESA WA Short Course – Elements of Chemostratigraphy

Friday, May 4, 2018 @ 08:45 - 16:30

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Guest Speaker: Anne Forbes

Anne has been working with Chemostrat in Perth since January 2014. In Australia she has worked on chemostratigraphy projects across all major basins of the North West Shelf, as well as a number of onshore basins including the Cooper, Canning, Otway and McAuthur basins. She has Bachelor and Master’s degrees in Geology from the University of Cambridge, UK, and a PhD in Volcanology from The Open University, UK. Her PhD work involved geochemical studies, including molecular and elemental geochemistry, analysis of fractures and rock mechanics, and extensive field work in Iceland. She is a member of PESA, FESAus and the Geological Society of London.

Student place sponsored by:


The course aims to:

  • Introduce participants to the essential concepts of chemostratigraphy including how, why and where chemostratigraphy can be applied
  • Introduce the data and techniques for analysing chemostratigraphic data, touching on both conventional and unconventional systems, and including evaluation of sample and data quality, demonstrating potential issues and how to detect them
  • Highlight the mineralogical link to elemental data, and demonstrate the importance of understanding this in chemostratigraphic interpretation
  • Demonstrate some uses of inorganic geochemical data other than chemostratigraphy
  • Help participants apply knowledge to investigate case studies from the Triassic of the Carnarvon Basin and the Ordovician in the Canning Basin
  • Give an understanding of the interpretive nature of chemostratigraphy


Learning outcomes:

By the end of the course participants will be able to:

  • Understand the concept of chemostratigraphy
  • Understand the data produced as part of a chemostratigraphic study and be able to recognise any sample or data quality issues
  • Understand the significance of elemental data in a mineralogical and stratigraphic context
  • Apply basic techniques in the interpretation of elemental data for chemostratigraphy



Module Details Time
Introduction What is chemostratigraphy? Essential concepts. Why do it? 9.00-9.45 (45 mins)
Data for Chemostratigraphy Sources of data and analysis types. How they work, pros & cons. Sampling considerations. 9.45-10.30 (45 mins)
Break 10.30-11.00
Rocks & the periodic table Elemental data in the context of mineralogy. It’s important for interpretation. 11.00-11.45 (45 mins)
Chemostratigraphy techniques A look at analysing data: Chemostratigraphy for conventional / unconventional 11.45-12.30 (45 mins)
Break 12.30-13.30
Case study & Exercise: NW Shelf Triassic in the Carnarvon Basin 13.30-14.30 (60 mins)
Elemental data – what else? Geomechanics, petrophysics, RQ, mineralogy 14.30-15.00 (30 mins)
Break 15.00-15.30
Case Study & Exercise: Shale Ordovician of the Canning Basin 15.30-16.00 (30 mins)
Wrap up Questions, etc. 16.00-16.30 (30 mins)


Friday, May 4, 2018
08:45 - 16:30


Mantra Hotel
305 Murray Street, Perth , Australia


PESA Western Australia
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