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Lithogeochemical study, Stuart Shelf Project.
Published: 01 Jan 1986 Created: 13 Nov 2024 Revised: 05 Dec 2024
Author: Mason, A.J.

Geochemical data for 530 rock samples collected from deep CSR and CEC drillholes, plus the results of SADME outcrop analyses and data from an Adelaide University Ph.D. thesis by C. Giles, were used to investigate the Gawler Range Volcanics, the...

Geochemical data for 530 rock samples collected from deep CSR and CEC drillholes, plus the results of SADME outcrop analyses and data from an Adelaide University Ph.D. thesis by C. Giles, were used to investigate the Gawler Range Volcanics, the underlying calcareous sediments, granites and dolerites in the Mount Gunson and Beda Arm regions of the Stuart Shelf. The study was successful in: - using whole rock geochemistry to provide a lithological subdivision of the Gawler Range Volcanics; - clearly showing the distinguishing geochemical features of both granites and volcanic rocks, so that unknown lithologies can be correlated to known sequences by the use of chondritically normalised rare earth ratios; - showing a clearly defined primary magmatic differentiation trend in the composition of the basic volcanic rocks present in holes PY1 and PY4. The ability of this type of spatially dependent study to identify mineralisation and alteration trends was not clearly demonstrated due to widely separated drillholes and coarse sampling intervals.

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About this record

Record No mesac32421
Topic Geoscientific Information
Type of Resource Document
Category Type
Document Type Mineral Company Report - Mineral Exploration
Contributor
Sponsor
Tenement
Tenement Holder CSR Ltd
Operator Delhi Minerals Pty Ltd
Geological Province
Mine Name
Stratigraphy
Commodity
Notes 
Notes: See also :   - Mason, A.J., March 1985. Stuart Shelf lithogeochemical study. (Appx 1 to 13th quarterly rep on EL 951, Mount Gunson, SA, for the period ending 20/3/1985.) vol 11; p: 1624-1688; 1 plan;   - Tonkin, D.G., March 1985. Index of...
Notes: See also :   - Mason, A.J., March 1985. Stuart Shelf lithogeochemical study. (Appx 1 to 13th quarterly rep on EL 951, Mount Gunson, SA, for the period ending 20/3/1985.) vol 11; p: 1624-1688; 1 plan;   - Tonkin, D.G., March 1985. Index of petrology on igneous rocks and basement rocks from the Stuart Shelf, South Australia. (CSR rep EMR 26/85) (Appx 6 to 13th quarterly rep on EL 951, Mount Gunson, SA, for the period ending 20/3/1985.) vol 15, p: 1960-1999;   - Tonkin, D.G., April 1985. Lithogeochemical study of Mount Isa Mines Ltd drill hole samples of basement, Stuart Shelf, South Australia. (CSR rep EMR 39/85) (Appx 9 to 13th quarterly report on EL 951, Mount Gunson, SA, for the period ending 20/3/1985). vol 16; p: 2278-2316.
Geographic Locality: Mount Gunson;Pandurra
Doc No: Env 06962 p: 2527-2640
Drillhole: LY3;(256314);EC21;(20711);EC35;(20710);EC40;(20705);EC43;(20704);EC45;(20703);EC47 - EC49;(20706 - 20708);EC51;(20709);PY1 - PY4 (20712 - 20715);VG1;(18092);BDH3;(25356);SLT101;(25360);SLT103;(25362);SLT106;(25363);SLT107;(25357);SAE2;(165605);SASC2 - SASC4;(20728);SAR7 - SAR9;(20609 - 20611);PRL22;(20719)

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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/mesac32421
Citation Mason, A.J. 1986. Lithogeochemical study, Stuart Shelf Project. Mineral Company Report - Mineral Exploration
https://pid.sarig.sa.gov.au/document/mesac32421

Technical information

Status
Maintenance and Update Frequency
Geographic Reference GDA2020 (EPSG:7844)
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Purpose 

                    
                    

                    
                  		
                

              
                
                

                  
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