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December 20th, 2005 PRESS RELEASE Clifton Mining Company Inc. (OTC : CFTN) THE POTENTIAL SIGNIFICANCE OF PORPHYRIES In response to several queries from investors asking just what is a porphyry and why we should be excited about its potential, the following is a highly informal account: Imagine a very large pool of underground molten (liquid) lava. It is possible that there is a considerable amount of water under very high pressure circulating in this pool of magma. It is also possible that this water contains minute amounts of dissolved minerals. Over millions of years, the hot lava slowly cools and becomes a solid. Because this cooling is slow, a particular kind of large crystal, called phenoycrists, develops. These crystals allow easy identification of porphyritic rock. Over these millions of years, as the pressure, temperature, permeability, and chemical composition of the magma change, some of the mineralization dissolved in the water may precipitate, may drop out of the solution. There may be enough mineralization to form a commercial deposit. Why the excitement? Because porphyries can be quite large and contain major commercial deposits. There is a belt of porphyries in southern Arizona that have produced considerable amounts of copper. And our Utah property is only about 100 miles from Kennecott’s Bingham Canyon. To date, the Bingham Canyon open pit is 2 ½ miles wide and ½ mile deep. The mine has produced 29 billion pounds of copper (more than any other mine in the world), 157 million ounces of silver, 18.5 million ounces of gold, as well as significant amounts of molybdenum and platinum. Clifton trades on the U.S. OTC: (CFTN). For additional information, contact Dr. Ken Friedman, President at 303-642-0659, Keith Moeller Vice President at 801-756-1414 or see our website at www.cliftonmining.com ### Note: Any statements released by Clifton Mining Company that are forward looking are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Editors and investors are cautioned that forward looking statements invoke risk and uncertainties that may affect the company’s business prospects and performance |
