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Gold/Mining/Energy : Medinah Mining Inc. (MDHM)
MDMN 0.00010000.0%Dec 12 9:30 AM EST

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To: superdow who wrote (8101)12/23/1998 12:44:00 PM
From: Mike Gold  Read Replies (2) of 25548
 
I guess you would have to ask Juan Quijano that question. He was the one who drilled the hole. (He has owned and does own many, many gold propertys-many of which have outstanding promise.) He seems to have at least known that it was a breecia zone but he may not have made the connection of its significance. There are many breecia zones associated with porphyry systems in the world that contain only very little gold. (Historically, miners sought after placer and vein deposits-this is easy gold. Porphyry systems were not recognized as a formation to look for gold in until the middle of this century)

I believe Paul Jones many have realize it. I think it was him who contacted MDIN to get G. House to take a look at it. It was House who realized it by examining the rocks that it showed extreme alteration from intense heat and that the breccia rocks were completly coated with quartz.(Quartz and gold go hand and hand-they solidfy at the same temperature.)It was obvious that an awful lot of hydrothermal fluid and blown through the tube over a long period of time.

Incidently, the area of Lipangue was very active gold mining area for a long time. In more modern times, almost all Majors have concentrated their exploration in the Andes mountains East and North of Santiago. This was due to various geological models that were developed which showed the most likely location for a porphyry systems was in those areas. Lipangue porphyry system was overlooked because it was outside of that area.

I have article which outlines the entire history of gold mining in Chile which makes for good reading. Andicollo was known as "district with rivers of gold" and historically considered the most important gold mining area in Chile. Lipangue was mined in the 17 century. Lots of neat stuff.

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