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Opinion on finding pockets

Last Updated: 13th Oct 2014

By Carson Armstrong

A few days ago, I had a geologist whos found a lot of beryl and other huge crystals and is very knowledgeable coms and assess a pegmatite I was prospecting. after looking it over, he told me where there might be pockets. I have since removed a 3.5'x1'x3' area of pegmatite in the area he believed to be good. all of the rock coming out of there now is VERY iron stained which he stated is a good sign. there also lots of smokey and muscovite along with good feldspar. I have a bunch of rock hammers, a 2 lb sledge, a 10lb sledge and a couple prybars, but these don't seem like the most logical tools nor does this seem like the most logical way to look for pockets. does anyone have any ideas on inexpensive and/or simple ways to determine wether or mot a pocket might be close? thanks




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14th Oct 2014 15:57 UTCEverett Harrington Expert

Hi Carson,
The easiest way and probably the most inexpensive way would be to get a hammer drill with longer small diameter bits and drill till you feel a void. The same holes then can be used with feathers and wedges to break open these found pockets. Most of the time 5/16 or 1/4 bits are used to probe in this manner. This has worked very successful in the past working pegs.

thanks
E

18th Mar 2015 23:00 UTCCarson Armstrong

Thanks for the reply, that's what I've been thinking about doing. I have a 1996 John deere gator that I am modifying mainly for prospecting. I was planning on adding a power inverter to it for that purpose. Any recommendations on a god drill?
 
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