Macdonald Hill. Progress reports and final report to licence expiry/full surrender, for the period 13/11/1979 to 12/11/1980.
Created: 13 Nov 2024 Revised: 13 Nov 2024

Base metal exploration carried out over an area extending from 8 to 20 km north-northeast of Olary has consisted of a in-depth technical review of past exploration results, plus limited 1:10,000 scale geological mapping, bulk sampling of...

Base metal exploration carried out over an area extending from 8 to 20 km north-northeast of Olary has consisted of a in-depth technical review of past exploration results, plus limited 1:10,000 scale geological mapping, bulk sampling of sulphide-bearing material on the mine dumps at the Olary silver mine, and the acquisition of two lines of Crone Pulse EM coverage, with readings taken every 50 m, also at the Olary silver mine. It was concluded that the Mount Perseverance - Olary silver mine prospect contains a similar stratigraphic succession to that outcropping extensively in The Willyama Complex within South Australia, and which exhibits anomalous base metal geochemistry. At the prospect studied, metals are commonly concentrated in the surficial oxidised zone. They appear to have been emplaced by lateral secretion into quartz vein structures during metamorphism, and the assay results evident from past surface and drillhole sampling thus reflect a 2-stage concentration process. The vein widths are small and the base metal sulphide grades are low, suggesting that any primary sulphide in the area would be characterised by very low grades. In view of this it was decided to allow EL 553 to lapse.

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About this record

Record No mesac8483
Topic Geoscientific Information
Type of Resource Document
Category Type
Document Type Mineral Company Report - Mineral Exploration
Contributor
Sponsor
Tenement EL 553
Tenement Holder Esso Exploration and Production Australia, Inc.
Operator Esso Australia Ltd. Coal and Minerals Department
Geological Province Curnamona Province
Mine Name Olary silver mine;Mount Perseverance copper workings
Stratigraphy
Commodity
Notes
Geographic Locality: MacDonald Hill;White Dam;Bluff Well;Aldockra Hill
Doc No: Env 03738

Geographic Locality: MacDonald Hill;White Dam;Bluff Well;Aldockra Hill Doc No: Env 03738

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/mesac8483
Citation Cotton, B.J.;Robinson, P.C. Macdonald Hill. Progress reports and final report to licence expiry/full surrender, for the period 13/11/1979 to 12/11/1980. Mineral Company Report - Mineral Exploration
https://pid.sarig.sa.gov.au/document/mesac8483

Technical information

Status
Maintenance and Update Frequency
Geographic Reference GDA2020 (EPSG:7844)
Geo bounding box {"type":"Polygon","coordinates":[[[140,-32.5],[140.5,-32.5],[140.5,-32],[140,-32],[140,-32.5]]]}
Purpose

                    
                    

                    
                  
Lineage