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Scientific topics Disciplines and techniques

Page last updated:10 October 2025

Information regarding various disciplines and techniques including: geochemistry, geochronology, geophysics and marine surveying.

biostratigraphy
Biostratigraphy

Biostratigraphy is the branch of stratigraphy that uses fossils to establish relative ages of rock and correlate successions of sedimentary rocks within and between depositional basins.

Biostratigraphy Learn more
Geochemistry

Geochemistry is the study of the chemical processes which form and shape the Earth.

Geochemistry Learn more
A panoramic view of the new SHRIMP instrument
Geochronology

Geochronology is a discipline of geoscience which measures the age of earth materials and provides the temporal framework in which other geoscience data can be interpreted in the context of Earth history.

Geochronology Learn more
Seismic reflection
Geophysics

Information relating to various techniques including: airborne electromagnetics, gravity, magnetics, magnetotellurics, radiometrics, rock properties and seismic.

Geophysics Learn more
Image courtesy of CSIRO.
Marine surveying

The survey environment varies from oceanographic studies in the water column to investigating sediment and geochemical processes on the seafloor and imaging the sub-seafloor rocks. Surveys are carried over Australia's entire marine jurisdiction, from coastal estuaries and bays, across the continental shelf and slope, to the deep abyssal plains.

Marine surveying Learn more
palaeontology
Palaeontology

Palaeontology is the study of fossils and what they reveal about the history of our planet. In marine environments microfossils collected within in layers of sediment cores provide a rich source of information about the environmental history of an area.

Palaeontology Learn more
sediment
Sedimentology

Sedimentology is the study of sediment grains in marine and other deposits, with a focus on physical properties and the processes which form a deposit.

Sedimentology Learn more
Spectral data
Spectral geology

Spectral geology is the measurement and analysis of portions of the electromagnetic spectrum to identify spectrally distinct and physically significant features of different rock types and surface materials, their mineralogy and their alteration signatures.

Spectral geology Learn more

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