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Peterborough. Progress reports to licence expiry/renewal, for the period 17/5/1979 to 16/5/1981.
Published: 20 Aug 1981 Created: 13 Nov 2024 Revised: 13 Nov 2024
Author: Hope, A.R.

The target was possible diamonds, with base metals and coal as secondary interests. Airborne magnetic/radiometric surveys flown in 1979 and 1980 identified several magnetic anomalies which were interpreted as possibly due to kimberlites. Ground...

The target was possible diamonds, with base metals and coal as secondary interests. Airborne magnetic/radiometric surveys flown in 1979 and 1980 identified several magnetic anomalies which were interpreted as possibly due to kimberlites. Ground magnetic survey follow-up defined targets at five anomalies, which were tested by vertical open hole rotary percussion drilling of 24 holes for 744.5 m, with short bottomhole cores being cut in holes P26 and P180. Two of the magnetic anomalies were found to be caused by buried mafic intrusions. No significant bedrock assay results were recorded from sampling of the drill cores. Stream sediment and gravel bulk sampling (17 x 20 kg samples) plus associated soil fraction geochemical sampling both carried out at the end of 1980, through the post-relinquishment then retained northern part of the licence, yielded scant kimberlite indicator minerals (viz. 1 chrome diopside grain) and no trace metal geochemical anomalies.

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About this record

Record No mesac9311
Topic Geoscientific Information
Type of Resource Document
Category Type
Document Type Mineral Company Report - Mineral Exploration
Contributor Geoex Pty Ltd
Sponsor Dampier Mining Co. Ltd
Tenement EL 478
Tenement Holder Dampier Mining Co. Ltd
Operator The Broken Hill Pty Co. Ltd, Exploration Department
Geological Province
Mine Name Aeromagnetic anomalies P4, P8, P19, PW7 and PW8
Stratigraphy
Commodity diamond
Notes 
Notes: Tenure of a 19% reduced area (i.e. via a second reduction of ground held) has subsequently been renewed on 28/9/1981, as EL 891.  [Note: drillholes P172 and P173, which were actually put in at anomaly P19 on EL 478 that is located close to...
Notes: Tenure of a 19% reduced area (i.e. via a second reduction of ground held) has subsequently been renewed on 28/9/1981, as EL 891.  [Note: drillholes P172 and P173, which were actually put in at anomaly P19 on EL 478 that is located close to Whyte-Yarcowie township, have been erroneously written in the drillhole summary attached to the BHP joint progress report of 17/5/1980 as holes 'B'172 and 'B'173 put in on anomaly 'B'19. To comprehend this mistake, refer to the drillhole summary table plus the drillhole location plan included in the EL 478 partial surrender report held in Env 3947].
Geographic Locality: Peterborough;Terowie;Franklyn Station;Ulooloo;Nackara;Hiles Lagoon;1979 Peterborough - Ucolta Aerial Magnetic Survey;1979 Peterborough - Ucolta Aerial Radioactivity Survey;1979 Kia Ora Aerial Magnetic Survey;1980 Wonna Aerial Magnetic Survey;1980 Wonna Aerial Radioactivity Survey
Doc No: Env 03474
Drillhole: P24 - P28;(156732);(156733);P172 - P180;(156734);(156735);P337 - P344;(156730);(215528 - 215534);P453;(156731);P454
Drillhole Unit No: 6731 00400;6731 00533;THROUGH;6731 00539;6731 00401

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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/mesac9311
Citation Hope, A.R. 1981. Peterborough. Progress reports to licence expiry/renewal, for the period 17/5/1979 to 16/5/1981. Mineral Company Report - Mineral Exploration
https://pid.sarig.sa.gov.au/document/mesac9311

Technical information

Status
Maintenance and Update Frequency
Geographic Reference GDA2020 (EPSG:7844)
Geo bounding box {"type":"Polygon","coordinates":[[[138.5,-33.5],[139.5,-33.5],[139.5,-32.5],[138.5,-32.5],[138.5,-33.5]]]}
Purpose 

                    
                    

                    
                  		
                

              
                
                

                  
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