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How to Utilize Assays and Evaluate Results

Assay furnace - photo courtesy Inspectorate AmericaAsk the lab manager how your ores will be tested, and ask to see the equipment that will be used. If you are told it’s a secret that can’t be explained, you need another assayer.

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Gold, Quartz & Chalcedony—Part II


The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.

Yukon Placer Miners Fighting Extreme Discharge Limits


Hold up a glass of tap water and take a look at it. It’s about as clear as the new Yukon water regulations require the water returning to rivers to be after being used by placer miners. The new limit of 25 parts per million (ppm) sediment does not leave a lot of maneuvering room in terms of discharge.

Melman on Gold & Silver


...while the conference and some economic data were working to restore optimism, the world continued to receive a flood of negative economic news, some of it with ominous implications...

Freegold Ventures' Golden Summit Project


Massive area-wide forest fires left the air near Fairbanks, Alaska looking like a London fog and smelling like the residue of a fireplace late this August as I left the airport on a recent visit to Freegold Ventures Ltd.

Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

The Suction Gold Dredging Fight Continues in California


The story is similar to what has played out over the past several years. The Karuk Tribe of northern California, with the support of several environmental and fishing groups, sues the California Department of Fish & Game in an attempt to stop suction gold dredging in the state. At the same time, they find a state legislator sympathetic to their cause and persuade the legislator to introduce a bill to stop suction gold dredging.

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