Authors / CoAuthors
Whitaker, A.J.
Abstract
The map addresses the distribution of Archaean rocks of the central Eastern Goldfields of Western Australia. Interpretation was undertaken at 1:250 000 scale for both Geoscience Australia aeromagnetic data (400m linespacing) and Fugro Airborne Surveys Pty. Ltd. data (200m linespacing). The Archaean rocks are subdivided into undivided gneiss-migmatite-granite (Agmg), banded gneiss (Agn), greenstone (Aa), and granite plutons (Ag). Where important relative differences in magnetisation are mapped, the geophysical map units include the suffixes _h (high), _m (medium), _l (low) and _r (remanent) for the level of magnetisation. Dykes, faults, and unassigned small intrusives are also mapped. The map is derived from a subset of a more extensive interpretation covering the exposed extent of the Yilgarn Craton.
Product Type
nonGeographicDataset
eCat Id
38633
Contact for the resource
Custodian
Owner
Custodian
Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
ACT
2601
Australia
Keywords
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- Geophysical Mapaeromagnetic interp.
- ( Theme )
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- GIS
- ( Theme )
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- magnetics
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- AU-WA
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Geophysics
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- Published_External
Publication Date
2001-01-01T00:00:00
Creation Date
Security Constraints
Legal Constraints
Status
Purpose
Maintenance Information
irregular
Topic Category
geoscientificInformation
Series Information
SH51
Lineage
The lines and polygons of the aeromagnetic interpretation were drawn on film overlaying images at 1:250,000 scale. Images, produced at Geoscience Australia, of TMI and the 1st vertical derivative of TMI were used for interpretation of the 400 m and 200 m line spaced aeromagnetic data. The film drawings were subsequently scanned, digitised on screen and attributed.
Parent Information
Extents
[-30.0, -28.0, 120.0, 123.0]
Reference System
Spatial Resolution
Service Information
Associations
Source Information
Source data not available.