Hi Richard, we have an active/ongoing EM test range in WA (Forrestania), with a considerable amount of historic AEM/HEM (VTEM multiple generations, HELITEM, HELIGEOTEM, SKYTEM, ZTEM and XCITE), DHTEM, MLTEM, FLTEM data and well known/constrained bedrock conductors IR2 (shallow) and IR4 (deep). We utilise the Forrestania EM range in particular to test new systems/methods for benchmarking such recently completed HELISAM (loop/dipole modes), SKYTEM 312HP 12.5Hz. The IR2/IR4 conductors are highly conductive (~5000-10000S+) and under conductive overburden, main current aim heading into the future is to test newly developed HEM methods with lower base frequencies 6.25-12.5Hz and successfully define/detect the deeper IR4 conductor (~350m depth) – which has not occurred to date. Next system test we hoping to see out at the range is the HELITEM 35C (6.25Hz).
All data is freely available upon request – more information can be found at the following link > https://sgc.com.au/forrestania-em-test-range/ Regards Russell. Russell Mortimer MAIG MASEG Consultant Geophysicist GeoPotential Consulting Pty. Ltd. SOUTHERN GEOSCIENCE CONSULTANTS Level 1, 183 Great Eastern Highway, Belmont WA 6104 AUSTRALIA PO Box 694, Belmont WA 6984 AUSTRALIA M +61 (0) 400 225 280 W www.sgc.com.au<http://www.sgc.com.au/> E [email protected]<mailto:[email protected]> S rnmortimer [Description: GEOPOTENTIALlogo0413_3small] <https://www.linkedin.com/in/russell-mortimer-5b32324> [Description: LINKEDIN] <https://www.linkedin.com/in/russell-mortimer-5b32324> NOTICE: This message and any attached files may contain information that is confidential and/or the subject of legal privilege intended only for use by the intended recipient. If you are not the intended recipient or the person responsible for delivering the message to the intended recipient, be advised that you have received this message in error and that any dissemination, copying, or use of this message or attachment is strictly forbidden, as is the disclosure of the information therein. If you have received this message in error please notify the sender immediately and delete the message. From: SEGMIN [mailto:[email protected]] On Behalf Of Barry Bourne via SEGMIN Sent: Monday, 29 October 2018 10:35 AM To: [email protected] Cc: Barry Bourne Subject: Re: [SEGMIN] Example of an EM conductor below an overburden Hi Richard, Sorry there was no attachment to my email. http://www.terraresources.com.au/wp-content/uploads/2015/04/Geophysics-of-the-Honeymoon-Well-Nickel-Deposits-Western-Australia.pdf See link. Barry Barry Bourne Principal Consultant [cid:[email protected]] 8 Kearns Crescent, Ardross WA 6153 (M) +61 409 493 485 | (E) [email protected]<mailto:[email protected]> (Web) www.terraresources.com.au<http://www.terraresources.com.au> From: SEGMIN [mailto:[email protected]]<mailto:[mailto:[email protected]]> On Behalf Of Richard Smith via SEGMIN Sent: Monday, 29 October 2018 3:18 AM To: [email protected]<mailto:[email protected]> Cc: Richard Smith <[email protected]<mailto:[email protected]>> Subject: [SEGMIN] Example of an EM conductor below an overburden I have a student that is working on a program to forward model the time-domain airborne EM response of a conductor below overburden. The intent is that this program will become freely available to the geophysical community once completed. In the past, I have looked at the Reid Mahaffy response on line 15, but I was wondering if anyone could suggest (or provide) another example that could be used in a publication to show the capability of the program. Regards Richard Smith
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