Mongalatta Gold Specimen

[Anonymous]

HI all
There was some discussion some time back about South Australian gold that the SD's could not pick up and I promised to post a picture of a specimen from this locality but I have been a bit slack and the film has been in the camera till I got it developed yesterday. The following link should take you to the photo on the Victorian prospecting site.
http://communities.ninemsn.com.au/GoldDetecting/southaustraliangoldspecimen.msnw?action=ShowPhoto&PhotoID=388
The Link above has not come up as a hyper link so it may me necessary to copy and paste the link for it to work.
Unfortunately the photo does not do the specimen justice. There is a lot more ironstone in the specimen than shows in the photo and the whole specimen is made up of many distinct leafy particles of gold rather than a single continuous mass. This would explain the SD's inability to detect this type of gold and why the VLF detectors which work more on a "skin efect" can easily detect this gold.
Hope all this works
Cheers and Happy New Year
Steve D

 

[Anonymous]

Hi Steve
In regards to VLF detecting the specimen,not the Sd,if you can get hold of peice of graphite,you will find that the SD will see the graphite and VLF will not.I feel it has got more to do with the impurities that are in the gold specimen,which only has to be the smallest fraction to alter the structure of the metal,a prime case of this is if you get lead in gold it alter its strength,in so much as you can break it quiet easily just by bending it.
These are my thoughts.Regards Frank Wallis