Chemostratigraphy

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Characterise and correlate sequences of sedimentary rocks

Chemostratigraphy is a powerful, robust technique that uses changes in major, trace and rare-earth element abundances to characterise and correlate sequences of sedimentary rocks. The technique can be successfully applied in carbonate and clastic lithologies and in apparently uniform successions to complement and extend seismic, sedimentological and sequence stratigraphic datasets.

Applications

  • Correlation of barren sequences where other stratigraphic techniques are poor
  • Complement conventional biostratigraphy to maximise resolution
  • High resolution sequence stratigraphy
  • Model changes in provenance
  • Facies description and analysis
  • Understanding diagenetic changes and depositional history
  • Individual well to basin scale
  • Layering for input into static modelling

Analysis

Chemostratigraphic analysis can be applied to sequences of any age and lithology, and can use ditch cuttings, SWC or core samples. Samples are typically analysed by ICP-OES, ICP-MS or XRF techniques, yielding data for up to 45 elements, with a quick turnaround time.

Data are processed using multivariate statistical techniques, and the results integrated fully with biostratigraphic and sedimentological datasets.

 

GeoConsulting - Biostratigraphy

Biostratigraphy

Wellsite and routine stratigraphic services (micropalaeontology, palynology and nannofossils), high resolution reservoir stratigraphy, sequence stratigraphic evaluation and more.

GeoConsulting - Sedimentology

Sedimentology

Our Sedimentology expertise extends to both clastic and carbonate facies, and includes the full spectrum of depositional environments.

GeoConsulting - Sequence Stratigraphy

Sequence Stratigraphy

Applying the principles of sequence stratigraphy to many sedimentary basins worldwide, including identification of regional sequence boundaries and integration of quantitative biodata.

GeoConsulting - Robertson

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