Identifying Kimberlite Anomalies

[hymohamed68]

Hello,

There are so many magnetometers out there and it is hard for newbie like myself to decide which one is good for locating Kimberlite Pipes. I have seen in the web some good results with the GEMS Magnometers but it is way too expensive ($19200) for me at this point. Can you please advise if you know much jeaper magnometers that can identify Kimberlite pipes anomalies?


Thanks,

Xasan

[Willy Bayot]

Hello,

There are so many magnetometers out there and it is hard for newbie like myself to decide which one is good for locating Kimberlite Pipes. I have seen in the web some good results with the GEMS Magnometers but it is way too expensive ($19200) for me at this point. Can you please advise if you know much jeaper magnometers that can identify Kimberlite pipes anomalies?


Thanks,

Xasan

I depends at which depth you expect those pipes to be.
Is Kimberlite strongly magnetic like 'magnetite'?

Willy

[ronjoly]

i have many many years experience hunting and finding kimberlites using gem magnetometers. any old gem mag will do.
proton or overhauser

kimberlites can be magnetic lows or magnetic highs .. depending on the country rock it intruded,the amount of pyrite and minerals carried in the kimberlite
they are mostly always mag lows
typically they intrude through dykes which are typically higher magnetically.
so you would be looking for a sharp low in a dyke.
dykes are paths of least resistance for kimberlites , therefore in my experience
look for a long thin magnetic feature many kilometers long and
look for lows intruding, lying beside or even breaking these dykes.
look for round magnetic low anomalies.
kimberlites could be just a few nano-tesla's lower then the country rock so the data quality is very important.

sometimes dykes have no magnetic signature whatsoever , that is where other tools come in handy.
these tools detect the weathered kimberlite , the kimberlite clay has good conductivity.
resistivity tools work well , i use Apex I-10 Max-min .. high Frequencies work best .. we are looking for surficial conductors.

hope this helps .. feel free to email me ronjoly@gmail.com if you need a few pointers

good hunting to you