Geochemistry of drillcore Balmain 1, Beetaloo Sub-basin, McArthur Basin, NT

Abstract

Balmain 1, drilled by Pacific Oil and Gas Pty. Limited in 1992, is one of a number of wells drilled in the Beetaloo Sub-basin.

This data release contains the results of a geochemical study of Balmain 1 and includes mineralogy from X-ray diffraction (XRD), source rock characterisation from Rock-Eval pyrolysis, and trace metal data from X-ray fluorescence (XRF) and quadrapole inductively coupled plasma mass spectrometry (Q-ICP-MS). These samples were selected to complement previous work undertaken by Geoscience Australia and the NTGS (Chen et al., 2003; Crick et al., 1988; Revie, 2016). This work was carried out in the Isotope and Organic Geochemistry, and Inorganic Geochemical Laboratories at Geoscience Australia and was undertaken as part of the Australian Source Rock Study Project.

All rocks analysed in this study are listed in the supplementary information, of which the 68 samples analysed covered three formations; Hayfield Mudstone, Jamison Sandstone and Kyalla Formation.