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L026 Rockingham/Mundijong seismic survey, WA, 1956

A seismic reflection traverse was surveyed across the Perth Basin, Uestern Australia, between the townships of Rockingham and Mundijong. It was planned in order to give information regarding the depth of the Basin and its structure adjacent to the Darling Scarp. Seismic refraction traverses were surveyed to give the longitudinal velocities in the near surface granitic gneisses on the Precambrian Shield, and in the Cardup Series (Proterozoic) abutting the Darling Scarp. At least 14,000 ft of sediments are indicated in the deepest part of the Basin but there is no clear seismic evidence of what a maximum thickness might be.


Seismic reflection results indicate that the sediments on the west of the Darling Scarp abut the older rocks on a plane that dips at about 60 degrees to the west and that cuts the surface some distance in front of the present position of the scarp. This suggests that the Darling Scarp at Eundijong is the surface expression of a normal fault. However, the presence of reflection alignments east of this postulated fault plane, and thus apparently arising within the granitic gneisses, is contrary to the fault hypothesis. The true nature of the tectonic features is thus unresolved. Seismic results indicate that faulting occurred within the Basin and such faulting may have completed closure of possible oil traps. Further seismic investigation of the faults and associated structures is recommended.

Simple

Identification info

Date (Publication)
1962-01-01T00:00:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/76385

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Geoscience Australia

Canberra
Author

Moss, F.J.

1
Name

Record

Point of contact
Role Organisation / Individual Name Details
Custodian

MNHD

Owner

Commonwealth of Australia (Geoscience Australia)

Custodian

Commonwealth of Australia (Geoscience Australia)

Voice
Topic category
  • Geoscientific information

Extent

N
S
E
W


Temporal extent

Time period
1956-03-02 1956-04-03
Maintenance and update frequency
As needed

Resource format

Title

Product data repository: Various Formats

Website

Data Store directory containing the digital product files

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

Australian and New Zealand Standard Research Classification (ANZSRC)
  • Seismology and Seismic Exploration

{1}
  • HVC_144637

{1}
  • Seismic Data seismic survey

Theme
  • seismic velocity

Theme
  • seismic reflection

Theme
  • seismic refraction

Theme
  • geophysics

Theme
  • petroleum exploration

{1}
  • AU-WA

{1}
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

http://creativecommons.org/licenses/

Access constraints
Restricted
Use constraints
License

Resource constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice
OnLine resource

Download the file (misc)

Download the file (misc)

Resource lineage

Statement

Gravity surveys of the Perth Basin (Thyor and Everingham, 1956; Neumann and Flavelle, 1961) showed the presence

of a considerable thickness of sediments in the Basin, and steep. Bouguer anomaly gradients in the vicinity of the Darling Scarp. Seismic reflection traverses were planned at several locations to confirm the thickness of sediments and to give additional information regarding the structure of the Basin near the Darling Scarp. In 1955 the Bureau of Mineral Resources seismic party surveyed traverses at Gingin (Vale, 1956), 45 miles north of Perth, and at Cookernup (Vale and Moss, 1962), 75 miles south of Perth. The results obtained from these preliminary seismic surveys

confirmed the existence of a considerable thickness of sediments in the Basin, and major faulting in the vicinity of the Darling Scarp, In 1956 the Bureau seismic party carried out additional work at Cookernup, completed a seismic reflection traverse from Quindalup through Busselton to Donnybrook in the south of the Perth Basin (Lodwick, 1962), and shot a seismic reflection traverse from Rockingham to Mundijong, 25 miles south of Perth. Two refraction

traverses were also shot near Mundijong to determine the seismic velocities in the Precambrian granitic gneisses and in the Precambrian Cardup Series.

Hierarchy level
Dataset
Description

Source data not available.

Metadata constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/de71c515-71f0-04f0-e044-00144fdd4fa6

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice

Type of resource

Resource scope
Dataset
Name

dataset

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/76385

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/de71c515-71f0-04f0-e044-00144fdd4fa6

Date info (Revision)
2018-04-20T06:11:11
Date info (Creation)
2013-06-06T00:00:00

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

AU-WA HVC_144637 Published_External Seismic Data seismic survey geophysics petroleum exploration seismic reflection seismic refraction seismic velocity

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