Otway Basin Top Basement Two Way Time Structure Map (1:1,000,000)

dataset: TBMTOTWTWT
Otway Basin Top Basement Two Way Time Structure Map using sun shading. Sun angle 80, azimuth 35 and vertical exaggeration 10. Pixel colours indicate red shallow (0ms), purple deep (4813ms) This structure map highlights the Late Jurassic - Early Cretaceous structure of the Otway Basin. The grid is based on mapping done by Minerals and Petroleum Victoria, Primary Industries and Resources South Australia, Origin Energy and Cooper (1995b). The main feature to note in this image is the variation in the orientation of the Late Jurassic - Early Cretaceous troughs and highs along the length of the basin. At the western and eastern ends of the basin, the troughs and highs are oriented both NE-SW and E-W (Robe Trough, St. Clair Trough, Rivoli Trough, Lake Eliza High, Beachport High, Elingamite Trough, Gellibrand Trough, Ombersely Trough, Nerita Deep, Snail Terrace). Those in the centre are oriented NW-SE (Penola Trough, Tantanoola Trough, Kalangadoo High, Hatherleigh High, Tahara Trough, Branxholme High, Ardonachie Trough, Lake Condah High). This variation in the orientation of the Late Jurassic - Early Cretaceous troughs and highs has resulted in considerable debate over the extension direction during this period. Some worker believe it was oriented NW-SE (Willcox & Stagg, 1990; Willcox et al., 1992; O'Brien et al., 1994), whereas others believe it was NNW-SSE (Cooper, 1995a,b; Cooper & Hill, 1997), N-S (Boeuf & Doust,1975; Ellenor, 1976; Hill et al., 1994a) or NNESSW (Etheridge et al., 1985, 1987; Smith, 1988). This image was extracted from Petroleum Atlas of Victoria Figure C21 (November 2001) The entire report may be downloaded ( at no cost ) from https://gsv.vic.gov.au/searchAssistant/document.php?q=parent_id:43977
 
Citation proposal Citation proposal
(2022)

Otway Basin Top Basement Two Way Time Structure Map (1:1,000,000)

Department of Energy, Environment and Climate Action
 

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Identifiers and Keywords

ANZLIC Id
ANZVI0803002955 
Jurisdiction
Victoria 
Topic category
  • Utilities communication
  • Geoscientific information
 

Resource Constraints

Use limitation
<a href=&#09; https://creativecommons.org/licenses/by/4.0/&#09;>Creative Commons Attribution 4.0 International</a> 
Classification
Unclassified  

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Citation

Title
DELWP Data License 
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License Text

Use constraints
Restricted  
 

Other Dataset Details

Date ( Revision )
2022-06-03
Status
Completed  
Purpose
For Viewing in GeoVic and MapShare 
Credit
Petroleum Group within Minerals and Petroleum Victoria 
Format
Format: Primary - Petrosys Mapping Location: Unix eureka Backup: ITT Backup Format: GIF Location: nremap Backup: ITT Backup 3 
Supplemental Information
Related Documents: Petroleum Atlas of Victoria. - null 
Maintenance and update frequency
Irregular  
 

Spatial

Spatial representation type
Grid  
Description
General - Victoria 
N
S
E
W


 

Temporal

Begin date
1995-01-01 
End date
now  
 

Resolution

Horizontal Accuracy
100m  
 

Quality

Conceptual Consistency
Not Specified 
Missing Data
Good Completeness Verification: Metadata Custodian Review Frequency: yearly Metadata Last Reviewed by Custodian: 
Attribute Quality
Not Applicable 
Positional Accuracy
1:100,000 
 

Lineage

Description
. 
Statement
Dataset Source: Eddie Frankel Dataset Originality: Derived 
 

About the Metadata Record

Metadata identifier
urn:uuid / c34c0861-6e4e-5778-8a79-c4faf6608507

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Resource Type
Dataset  
Date info ( Creation )
2025-09-09T12:02:44
Date info ( Revision )
2025-09-09T12:42:03
Standard Name
ISO 19115-3:2018 
Profile Name
DELWP Profile 
Profile Version
Version 1 
Profile Date
2019-05-24  
 

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Classification
Unclassified  
 
 

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