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The Ivanhoe Block-its structure, hydrogeology and effect on groundwaters of the Riverine Plain of New South Wales.

The Ivanhoe Block is a faulted and uplifted concealed basement ridge complex underlying the mallee sand dunes adjacent to the New South Wales part of the Western Riverine Plain in the central Murray Basin. The western ridge of the Ivanhoe Block forms the regional divide between the Darling and Lachlan-Murrumbidgee groundwater systems. The parallel basement ridges of the Ivanhoe Block deflect flow south in the deeper aquifers, and thinner beds on top of the ridges result in convergence of flow in the shallower aquifers. The Geera Clay aquitard is enveloped by the Renmark Group on the Ivanhoe Block this produces an additional barrier to lateral groundwater throughflow. Groundwater salinity is strata-bound in the aquifers of the Ivanhoe Block and Western Riverine Plain, and this enhances the value of electric logs in accomplishing a 3-fold subdivision of the Renmark Group- a basal fluvial succession, overlain by a paralic grading to marginal marine sequence which in turn is overlain by a prograding shoreline succession. The Western Riverine Plain is the regional groundwater discharge zone for the eastern Murray Basin in New South Wales, and it has been created by the impeding action of the bounding Ivanhoe Block . On the basis of rates of change of chloride concentration along regional flow lines in the Tertiary aquifers, the Western Riverine Plain is partitioned into the Balranaid- Hatfield discharge zone in its western half and the Moulamein - Mossgiel buffer zone in its eastern half; the former defines the zone of salt production and accumulation in the shallower Tertiary aquifers and the latter defines the maximum historical extent of up-basin propagation of refluxed salts. In recent years the Ivanhoe Block and western Riverine Plain of New South Wales have been the focus of growing community concern about clearing in the mallee lands and the susceptibility of these areas to land salinisation. This paper addresses the second issue. The Balranald Hatfield discharge zone and the lower Willandra Lakes are most at risk from land salinisation if water tables continue to rise. The Moulamein Mossgiel buffer zone is in the second-highest risk category, and the eastern Riverine Plain has a low risk of sa linisation in its non-irrigated lands.

Simple

Identification info

Date (Publication)
1989-01-01T00:00:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/81262

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Bureau of Mineral Resources, Geology and Geophysics

Canberra
Author

Kellett, J.R.

1
Name

BMR Journal of Australian Geology and Geophysics

Issue identification

11:2-3:333-353

Point of contact
Role Organisation / Individual Name Details
Custodian

Corp

Owner

Commonwealth of Australia (Geoscience Australia)

Custodian

Commonwealth of Australia (Geoscience Australia)

Voice
Topic category
  • Geoscientific information

Extent

N
S
E
W


Maintenance and update frequency
Unknown

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

Keywords
  • GA Publication

  • Journal

Keywords
  • NSW

Australian and New Zealand Standard Research Classification (ANZSRC)
  • Earth Sciences

Keywords
  • 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
License
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

Journal article (pdf)

Journal article (pdf)

Distribution format
  • pdf

Resource lineage

Statement

Unknown

Hierarchy level
Non geographic dataset
Other

GA Publication

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/fae9173a-70cb-71e4-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
Document
Name

AGSO BMR Journal

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/81262

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/fae9173a-70cb-71e4-e044-00144fdd4fa6

Date info (Revision)
2018-04-20T06:08:12
Date info (Creation)
2014-06-03T00:00:00

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



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