ID  - b3adc860-0285-4191-ae4c-a503bd9a3c5e
TY  - RPRT
T1  - Definition of the Beetaloo Sub-basin
A1  - Williams, B,
PY  - 2019///
Y1  - 2019/
AB  - The Beetaloo Sub-basin is a 28 000 km2, completely subsurface, composite depocentre located in northern central Northern Territory and centred on the rural township of Daly Waters, ~300 km south-southeast of Katherine. The sub-basin is one of the principle depocentres of the southern McArthur Basin. It contains an interpreted 9000 m thickness of sedimentary and minor volcanic rocks assigned to the following stratigraphic groups or their equivalents: the Palaeoproterozoic Tawallah and McArthur groups, and the Mesoproterozoic Nathan and Roper groups. The sub-basin is of considerable economic interest as a potential host for unconventional and conventional petroleum resources, particularly in the uppermost Roper Group. In 2017, following industry acquisition of new seismic data and the drilling of a number of strategically positioned stratigraphic wells, the Northern Territory Geological Survey undertook a thorough geological interpretation of the sub-basin's extent using open file seismic survey data and petroleum well completion reports. This resulted in a new basin boundary that is constrained by lithostratigraphic data from 26 wells tied to stratigraphic interpretations of 96 seismic surveys.
AB  - It is important to note that this new boundary does not represent the extents of hydrocarbon potential in the region. It is a geological interpretation that represents the subsurface Mesozoic stratigraphic succession as completely as possible. Hydrocarbon plays have been identified beyond the extents of this new boundary definition.
T2  - NTGS Record 2019-015
SN  - ISBN9780724573585 (PDF)
SN  - ISSN1443-1149
UR  - https://geoscience.nt.gov.au/gemis/ntgsjspui/handle/1/89822
PB  - Northern Territory Geological Survey
M3  - NTGS Record
ER  -