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Gold/Mining/Energy : Rock Resources

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To: Mike Gold who wrote (959)	3/16/1999 11:37:00 AM
From: the Chief	Read Replies (1) of 1996

Hi Mike. Actually, I think the latest theory on whether it will be gold or copper etc depends of the type of magma-which is not just a function of temperature. Here's something from a recent paper presented by Dr. Sillitoe-World Expert on Porphyry Deposits. The type of magma and the mineralization they produce is directly related to the "cooking" process and pressures/temperatures achieved. Sillitoe is discussing supergene enrichment zones in this excerpt he discusses extensively the significance of heat/temperature in other articles. Obviously gold/copper porphries have different magma composition than straight copper however, heat varies the molecular structure of the magma which changes the mineralization as "does pressure variances form diamonds". the Chief

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