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36. Jindivik Quarry - Older Volcanics

This information has been developed from one or more of these publications:

  • Sites of Geological and Geomorphological Significance in the Westernport Bay Catchment (1984) by Neville Rosengren.
  • Sites of Geological and Geomorphological Significance in the Western Region of Melbourne (1986) by Neville Rosengren
  • Sites of Geological and Geomorphological Significance on the Coast of Port Phillip Bay (1988) by Neville Rosengren.
  • Sites of Environmental Significance in the Flood Plain of the Upper Yarra Valley Region (1983) by Neville Rosengren, Douglas Frood and Kim Lowe (as part of a study of Sites of Environmental Significance by the University of Melbourne for the then Upper Yarra Valley and Dandenong Ranges Authority).
Geological heritage sites, including sites of geomorphological interest and volcanic heritage sites, are under regular revision by the Geological Society of Australia, especially in the assessment of significance and values. Reference should be made to the most recent reports. See the Earth Science Heritage section of the Geological Society of Australia website (external link) for details of geological heritage reports, and a bibliography.


Location:

Tarago - 043891. Two kilometres south-east of Jindivik.

Image: Sites of Significance Port Phillip Bay
Columnar basalt (A), weathered tuff (B), weathered basalt (C) - Jindivik Quarry.

Access:

Quarry Road off Main Jindivik Road.

Ownership:

Private land.

Geomorphology:

This abandoned quarry provides an extensive section in the Tertiary Older Volcanics. At least three eruptive phases are observable. A thick, strongly jointed dense basalt overlies a weathered tuff band up to two metres thick, and this rests on another basalt lava flow which has closely spaced vertical and horizontal joints. This lower flow is deeply weathered resulting in small, residual, spheroidal corestones.

Significance:

Regional. This quarry provides a clear example of the range of materials which comprise the Older Volcanics including lava flows and tuffs.

Management:

Class 2. The general principles of quarry management stated apply here. In this quarry the best preserved sections are on the south-east and south-west faces and it is recommended that any future land reclamation works not be permitted to obscure these exposures. Any future working of the quarry should retain a section similar to those now available.
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