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Gold/Mining/Energy : Winspear Resources
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To: UNDERTAKER who wrote (3289)10/4/1997 4:37:00 PM
From: Walt   of 26850
 
Greetings all. I'll give a shot at answering a couple of questions which have come up.
Pipes tend to occure in clusters so if you find one there are usually others around. Mining under lakes is done all the time. Coal mines in the maritimes go miles out under the ocean. Even the mines in Yellowknife extend out under Great Slave Lake. Aber has but a decline down and drifted into two of their pipes. So miniing out under a lake is no big deal provided the ore body is rich enough. Most mines are below the water table so almost all mines have to deal with water.
AS for draining the lake. Practically its no big deal because most lakes in the NWT dont have a big flow through them but are catch basins. We have thousands of lakes up here but try to drain one even if it is just for a few years and the eco types go hyper. Not because it does much enviromental damage other then displacing a few fish but because it is the type of thing they can gain alot of puplic support on.(in my opinion) Hydro electric project divert far more and create and destroy much bigger lakes all the time as do alot of irregation projects. Big cities probably use up more water in a week but talk of doing this for mining in the wilderness and you get a whole different reaction from people.
Tomato asked about diamonds at depth. could the boulders diamonds etc be all erroded away so that there is no source left. Its highly unlikely. As for some of the "theories" advanced, every year we have a geoscience forum in Yellowknife the people should advance them there and see what the pros in the buisness think of them. From what Ive read or heard dykes seem to maintain their grades with depths, pipes decrease slightly and both can be zonal.
Hope that helps some. Its below zero in YK so freeze up is on its way
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