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To: average joe who wrote (817)7/24/1998 11:18:00 PM
From: JP  Read Replies (1) | Respond to of 2514
 
<<The arch and arch axis are a negative anomaly
that is anti-productive to diamondiferous kimberlites.>>
I don't think I would agree with that one. The arch is a positive anomaly on a downward slope - it is still a raised area of the basement with repect to its North-South surroundings. It is sort of hard to place in text. JP