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Gold/Mining/Energy : Diamonds in Alberta, Ashton, Pure Gold, Montello, New Cla

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To: Lilian Debray who wrote (639)6/24/1998 12:55:00 PM
From: Jesse  Read Replies (1) of 822
 
Wow. Thanks, professor Debray! Excellent comments & reference-- here's a link to that very 1995 paper:

"BOREHOLE GEOPHYSICAL SIGNATURES OF KIMBERLITES IN CANADA"
ladmac.lanl.gov

..."Most of the geophysical measurements show anomalous values within the kimberlite pipes compared to the host rocks. These geophysical parameters, however, vary considerably within individual kimberlite pipes and between the different pipes, primarily due to the different facies and source material of kimberlite intrusions. Density, magnetic susceptibility and P-wave velocity logs indicate higher values in kimberlite compared to the overlying sediments at the Fort … la Corne kimberlite pipe in Saskatchewan...

...The geophysical data from the kimberlites investigated indicate that the physical properties are variable in a kimberlite pipe and also between different pipes. Although there is a high degree of variability of the physical properties within the kimberlite, most geophysical measurements show anomalous values which are characteristic of the kimberlites compared to the surrounding sediments...


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Regards,
-j
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