Mohave County, Arizona: The Oatman/San Francisco Mining District
July 2019 by Dean Delahaut
The Oatman/San Francisco Mining District’s historic gold production of 2.2 million ounces of gold since the 1880s makes this area Arizona’s greatest primary gold producing district.
It is the second largest gem-quality diamond in history, after the 3,106-carat “Cullinan Diamond” was recovered in South Africa in 1905.
...El Tigre Silver Corp, is taking a somewhat different path toward developing their El Tigre property located in the northern Mexican state of Sonora.
The Lucky Friday is already one of North America’s deepest hard-rock mines. Now, the 62-year-old mine is about to get much deeper.
Many of the Sixteen to One’s challenges arise from its unusual geology and the pocket characteristics of the ore deposits.
One of his friends had 700 feet of small-gauge mine track and a hundred-year-old track bender laying out in his back 40; plus he also wanted to join the team. Perfect.
During our visit during late May, 2011, the vertical nature of the mineralized areas was clearly visible, as were numerous examples of quartz-carbonate veins in shear zones, faults and folds.
The burning question I needed answered was why didn’t the deposit ever get mined of at least one of the valuable minerals? A couple of reasons have come to light.
The Bawl Mill • Ask The Experts - Diamonds in the Mother Lode? • Ask The Experts - How do I set up my shaker table? • Ask The Experts - Does silicone rubber make a good sluice mat? • Ask The Experts - Conflicting assays for platinum group elements • Get Boots On The Ground For Patch Hunting • Lessons Learned From Geologists • Gold Prospecting for Better or Worse: Man vs Paydirt • ICMJ Honored As Prospecting Magazine of the Year • The Sunbaker • A Golden Vacation • Mining Company Pays Millions for Gold Dug From Mine Dumps • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices