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Gold/Mining/Energy : Winspear Resources
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To: whiskeyjack who wrote (16096)3/19/1999 10:13:00 AM
From: teevee  Read Replies (1) of 26850
 
Hello thread,
Author: teevee -- Date:1999-03-18 18:13:15
Subject: This story just gets better and better...

Given the thicker intersections being reported, is a portion
of the Snap Lake ring dyke/cone sheet going to morph into
an odd shaped lacolith? This of course would have very
very positive tonnage implications for an igneous
body(basically a diamondiferous dunite) expected to have
relatively uniform composition and diamond content......it
could perhaps lead to a thick enough and large enough area
which would permit large scale underground block cave
style mining operations(almost as cheap as open pit
mining).....I hope this doesn't give anyone from DeBeers
indigestion or nightmares, if they read this thread. All
comments welcome. regards, teevee

Maybe I should have suggested that the Snap Lake cone
sheet could morph into a lopolith(saucer-shaped igneous
intrusion which is concave upwards). Perhaps the type II
kimberlite composition helps explain why the size (diameter
of about 5 kilometers) at Snap Lake is relatively small
compared to lopoliths like the Duluth complex, or the
Bushveld Complex or the Sudbury complex. I still favor
Robert Folinsbee's comparison to Ardnamuchan in
Argyle(Snap Lake is a dead ringer size wise, if you will
parden the pun). If drilling locates a significant areal extent
with thicknesses up to 30 or 40 meters, I will happily start
to refer to the Snap Lake cone sheet as the Snap Lake
lopolith. regards, teevee
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