NDLI: Seismic refraction inversion of a palaeochannel system in the Lachlan Fold Belt, Central New South Wales

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Seismic refraction inversion of a palaeochannel system in the Lachlan Fold Belt, Central New South Wales

Content Provider	Scilit
Author	Deen, Tara J. Gohl, Karsten Leslie, Christopher Papp, Eva Wake-Dyster, Kevin
Copyright Year	2000
Description	We assess a method for conducting seismic refraction inversion in a 3-D setting to image the shape and structure of a palaeochannel. The trial survey was conducted over a suspected Tertiary palaeochannel adjacent to the Wyalong goldfields (Lachlan Fold Belt) in central NSW. This work has implications for the control of groundwater migration and dryland salinity studies. The method was conducted using standard multichannel seismic recording equipment and an unconventional 3-D field geometry. Three-dimensional velocity-depth models show a 4-layer sub-horizontal system underlain by high-velocity metasedimentitic basement at a variable depth, ranging from 70 to 170 m. The interpreted palaeochannel is coincident with high magnetic intensity features identified from recent surveys of the region.
Related Links	http://www.publish.csiro.au/eg/pdf/eg00389
Ending Page	393
Page Count	5
Starting Page	389
ISSN	08123985
e-ISSN	18347533
DOI	10.1071/eg00389
Journal	Exploration Geophysics
Issue Number	1-2
Volume Number	31
Language	English
Publisher	Informa UK Limited
Publisher Date	2000-03-01
Access Restriction	Open
Subject Keyword	Journal: Exploration Geophysics Geochemistry and Geophysics Seismic Refraction Palaeochannel
Content Type	Text
Resource Type	Article
Subject	Geology Geophysics

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