RB 89/00052 Flint report.

Published: 01 May 1989 Created: 07 Nov 2024 Revised: 07 Nov 2024

Author: Flint, D.J.;Flint, R.B.;Flintoft, M.W.

Flint occurs in 4 geological settings in the South-East - beds and dykes in the Gambier Limestone, bouldery conglomerate of the Bridgewater Formation, Holocene surface lag deposits and Holocene beach deposits. Pebbles from beach deposits between Cape Banks and Victoria are used mainly as grinding media, a source of high-grade silica for ceramics, and for ornamental purposes. The total resource is about 330 000 tonnes. Mottled grey and black flint from Cape Hart, Kangaroo Island (formed during the late Oligocene), is found only as boulders on current beaches. The flint is a fossiliferous chert with a granular, cherty matrix. High-grade samples from several SA localities are chemically similar to the flint produced from the Northfleet Plant, UK, for ceramic use.

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About this record

Record No	rb8900052
Topic	Geoscientific Information
Type of Resource	Document
Category Type	Archaeology Earth Sciences Energy Energy Exploration Engineering Exploration Geochemistry Geochemistry Geology Geomatic Engineering History And Archaeology Mineral Resource Geology Mineral System Geology Mineralogy And Crystallography Petrology Physical Geography Policy And Administration Quarry And Extractive Resource Geology Quaternary Environments Resource Geology Resources Engineering Sedimentology
Document Type	Departmental Publication - Geological Survey Geoscience Publication
Contributor
Sponsor
Tenement
Tenement Holder
Operator
Geological Province	Otway Basin
Mine Name
Stratigraphy	Bridgewater Formation Gambier Limestone
Commodity	chert industrial material
Notes	Geographic Locality: South-East;Kangaroo Island;Cape Hart;Cape Banks;Bucks Bay;Carpenter Rocks;Bungaloo Bay;Blackfellows Caves;Nene Valley;Douglas Point;Umpherstone Bay;Middle Point;Orwell Rocks;French Point;Racecourse Bay;Stony Point;Riddoch... Geographic Locality: South-East;Kangaroo Island;Cape Hart;Cape Banks;Bucks Bay;Carpenter Rocks;Bungaloo Bay;Blackfellows Caves;Nene Valley;Douglas Point;Umpherstone Bay;Middle Point;Orwell Rocks;French Point;Racecourse Bay;Stony Point;Riddoch Bay;Danger Point;Green Point;Mount Gambier;Millicent;Port MacDonnell;Sellicks Beach Doc No: RB 89/00052 More +
Language	English
Metadata Standard	ISO 19115-3

Citations

Use constraints	License
License	Creative Commons Attribution 4.0
Persistent identifier	https://pid.sarig.sa.gov.au/document/rb8900052
Citation	Flint, D.J.;Flint, R.B.;Flintoft, M.W. 1989. RB 89/00052 Flint report. Departmental Publication - Geological Survey Geoscience Publication. Government of South Australia. https://pid.sarig.sa.gov.au/document/rb8900052

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Maintenance and Update Frequency
Geographic Reference	GDA2020 (EPSG:7844)
Geo bounding box	{"type":"Polygon","coordinates":[[[138,-38],[141,-38],[141,-35.5],[138,-35.5],[138,-38]]]}
Purpose
Lineage