Authors / CoAuthors
Bradshaw, B. | Abbott, S. | Iwanec, J. | Lund, D.
Abstract
<div>This document provides metadata for the gross depositional environment (GDE) interpretations that have been generated in support of the energy resource assessments under the Australia’s Future Energy Resources (AFER) project. </div><div>The AFER projects is part of Geoscience Australia’s Exploring for the Future (EFTF) Program—an eight year, $225 million Australian Government funded geoscience data and precompetitive information acquisition program to inform decision-making by government, community and industry on the sustainable development of Australia's mineral, energy and groundwater resources. By gathering, analysing and interpreting new and existing precompetitive geoscience data and knowledge, we are building a national picture of Australia’s geology and resource potential. This will help support a strong economy, resilient society and sustainable environment for the benefit of all Australians. The EFTF program is supporting Australia’s transition to a low emissions economy, industry and agriculture sectors, as well as economic opportunities and social benefits for Australia’s regional and remote communities. Further details are available at http://www.ga.gov.au/eftf. </div><div>The GDE data sets provide high level classifications of interpreted environments where sediments were deposited within each defined play interval in the Pedirka, Simpson and Western Eromanga basins. Twelve gross depositional environments have been interpreted and mapped in the study (Table 1). A total of 14 play intervals have been defined for the Pedirka, Simpson and Western Eromanga basins by Bradshaw et al. (2022, in press), which represent the main chronostratigraphic units separated by unconformities or flooding surfaces generated during major tectonic or global sea level events (Figure 1). These play intervals define regionally significant reservoirs for hydrocarbon accumulations or CO2 geological storage intervals, and often also include an associated intraformational or regional seal. </div><div>GDE interpretations are a key data set for play-based resources assessments in helping to constrain reservoir presence. The GDE maps also provide zero edges showing the interpreted maximum extent of each play interval, which is essential information for play-based resource assessments, and for constructing accurate depth and thickness grids. </div><div>GDE interpretations for the AFER Project are based on integrated interpretations of well log and seismic data, together with any supporting palynological data. Some play intervals also have surface exposures within the study area which can provide additional published paleo-environmental data. The Pedirka, Simpson and Western Eromanga basins are underexplored and contain a relatively sparse interpreted data set of 42 wells and 233 seismic lines (Figure 2). Well and outcrop data provide the primary controls on paleo-environment interpretations, while seismic interpretations constrain the interpreted zero edges for each play interval. The sparse nature of seismic and well data in the study area means there is some uncertainty in the extents of the mapped GDE’s. </div><div>The data package includes the following datasets: </div><div>Play interval tops for each of the 42 wells interpreted – provided as an ‘xlsx’ file. </div><div>A point file (AFER_Wells_GDE) capturing the GDE interpretation for each of the 14 play intervals in each of the 42 wells – provided as both a shapefile and within the AFER_GDE_Maps geodatabase. </div><div>Gross depositional environment maps for each of the 14 play intervals (note that separate GDE maps have been generated for the Namur Sandstone and Murta Formation within the Namur-Murta play interval, and for the Adori Sandstone and Westbourne Formation within the Adori-Westbourne play interval) – provided as both shapefiles and within the AFER_GDE_Maps geodatabase. </div><div> </div><div>These GDE data sets are being used to support the AFER Project’s play-based energy resource assessments in the Western Eromanga, Pedirka and Simpson basins. </div><div><br></div>
Product Type
dataset
eCat Id
148900
Contact for the resource
Resource provider
Point of contact
Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
ACT
2601
Australia
Point of contact
Digital Object Identifier
Keywords
- ( Project )
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- Australia's Future Energy Resources project
- ( Project )
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- EFTF – Exploring for the Future
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- Northern Territory
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- South Australia
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- Queensland
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- Cretaceous
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- Jurassic
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- Mesozoic
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- Permian
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- Great Artesian Basin
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- Eromanga Basin
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- Pedirka Basin
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- Simpson Basin
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- groundwater
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- Energy
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- Crown Point Formation
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- Purni Formation
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- Walkandi Formation
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- Peera Peera Formatoin
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- Poolowanna Forma
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- Hutton Sandstone
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- Birkhead Formation
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- Adori Sandstone
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- Westbourne Formation
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- Namur Sandstone
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- Murta Formation
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- Algebuckina Sandstone
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- De Souza Sandstone
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- Cadna-owie Formation
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- Wallumbilla Formation
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- Bulldog Shale
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- Coorikiana Sandstone
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- Toolebuc formation
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- Allaru Mudstone
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- Oodnadatta Formation
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- Mackunda Formation
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- Winton Formation
- theme.ANZRC Fields of Research.rdf
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- Sedimentology
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- Published_External
Publication Date
2024-02-21T01:14:58
Creation Date
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Status
Purpose
Release data sets associated with Australia's Future Energy Resources project under the EFTF Program.
Maintenance Information
notPlanned
Topic Category
geoscientificInformation
Series Information
Lineage
<div>This package provides metadata for the gross depositional environment (GDE) interpretations that have been generated in support of the energy resource assessments under the Australia’s Future Energy Resources (AFER) project as part of the EFTF program. </div><div>The GDE data sets provide high level classifications of interpreted environments where sediments were deposited within each defined play interval in the Pedirka, Simpson and Western Eromanga basins. Twelve gross depositional environments have been interpreted and mapped in the study.</div><div>These GDE data sets support the AFER Project’s play-based energy resource assessments in the Western Eromanga, Pedirka and Simpson basins. </div>
Parent Information
Extents
[-28, -23, 140, 133]
Reference System
GDA94 / geographic 2D (EPSG: 4283)
Spatial Resolution
Service Information
Associations
Downloads and Links
Source Information