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Gold/Mining/Energy : Medinah Mining Inc. (MDHM) -- Ignore unavailable to you. Want to Upgrade?

To: Mike Gold who wrote (5955)	9/4/1998 10:31:00 PM
From: E. Charters	Read Replies (2) \| Respond to of 25548

Neat geology. But. "The good news out of all of this is that is that I believe there is likely two viable gold deposits there." Easy durango. Two stock works do not a gold deposit make. what is needed is some gold assays. Isn't it possible that the circulating fluids continued ~17 million years after the first phase intrusion with local volcanism in the area? After all a porphyry of that size takes many millions of years to cool. With the error in age determinations being plus or minus 5 million the hydrothermals could be interrelated. Also, the work that established the age may ignore the fact that different facies of the porphyry may exist that were not age dated. They often are multi phase intrusions. The felsics in the area could be late stage apophyses. But no matter. Mantos are frequently closely associated with local intrusions. The model has never fit distal large scale intrusions. This did not need new work just a fundamental understanding of mantos. They are usually mineralized from the intrusion that caused the brecciation of the host. Trouble is, when you say manto you are saying small. Their average size like most epithermal deposits is under 1 million tons. The Yanacocha is an exception. Where you can win with mantos is they come in swarms. All these people chasing epithermals which are more often small than large when the big money more frequently comes from hypothermal deposits. mailto:echarter@vianet.on.ca