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Gold/Mining/Energy : Montello Resources -- Ignore unavailable to you. Want to Upgrade?

To: Terry J. Crebs who wrote (1828)	3/9/1998 8:52:00 PM
From: Jesse	Read Replies (1) \| Respond to of 4256

Off Topic <again>. Terry - Now that's a well thought out and presented post! Thanks a tonne for your effort! I wish I had more info to respond, but regardless, I appreciate your shared info and knowledge! I do know at least one key gravity map that was used by MMU: "Enhanced Isostatic Gravity Anomaly Map of Canada", Geological Survey of Canada, Map 1805A, 1992 - (based on data collected over something like 40yrs). The gravity data is a qualitative tool of course. Beyond that, I am sure that if I was to pose these kinds of questions to Richard Boulay he'd be happy to respond. Of course it would be better posted over on the Marum thread (--Rick is at the PDAC, currently, I believe). You offer sound advice: "be real careful of simple geological interpretations of regional gravity (or other geophysical) data--Mother Nature loves to fool her humble geophysicists and geologists <grin>." Couldn't be better said! Thanx again for your input Terry, I'll be waiting for that beer, if luck is in my court! Regards, -j :>

To: Terry J. Crebs who wrote (1828)	3/12/1998 6:55:00 PM
From: Jesse	Read Replies (1) \| Respond to of 4256

Off Topic-- For Mr. Crebs: Hi again Terry -- Re. your comments here, I posed a couple questions to Marum president Richard Boulay, and got the following: --- Mr. Boulay responds: "Re. Gravity- We use it as a regional indicator. It's significant but not a targeting issue. It's probably the least significant of our field exploration criteria, at least we think so." --------- -- [Jesse(me!) writes: Terry, after your "use gravity to pinpoint kimberlite" comment, I noticed that at the Marum website (http://marumresources.com/) it says that one criteria, of the several co-incident criteria used for prospective property selection, was: The existence of a pronounced gravity low within the craton to pinpoint* the location of super- cool root zones.* -- Perhaps this is where you got the incorrect "pinpoint kimberlite" notion.] --------- -- Mr. Crebs wrote: > P.S. My +25-years of experience with "Veggie Anomalies" in diamond, > uranium, oil & gas, copper, nickel, etc. exploration has been > universally dismal--yeah I've drilled a bunch and hit NADA which > always makes me skeptical. Mr. Boulay responds: "Lots of South African pipes have tree rings as do lots of Brazilian pipes. Also, one or two of ACA's pipes. The veggie anomalies are used as confirmatory criteria which must be supported by at least two other criteria before they count in defining drill targets." --------------------- - - - - - - - That was just a couple follow-up comments for you there, Se¤or Crebs. Again, always appreciate your expertise, Terry! Regards, -j :> PS-- Terry, I wouldn't be surprised that, as you say, in the past the vegetation anomalies have been most effective as indicators, in and of themselves, after the deposit is found!