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Looking Back
May 2003 by Staff
Excerpts from California Mining Journal, our original title, published 50 years ago this month.Additional articles that might interest you...
The Rocks That Burn: Is Oil Shale the Answer?—Part I
February 2006
The day is old in the Rangely Oil Field in northwestern Colorado. I’ve paused in my southbound trip to take a gander at this historic field, one of the largest in the state. Intricate pipelines funnel water and carbon dioxide to the source rock far below.
The day is old in the Rangely Oil Field in northwestern Colorado. I’ve paused in my southbound trip to take a gander at this historic field, one of the largest in the state. Intricate pipelines funnel water and carbon dioxide to the source rock far below.
Ask the Experts
January 2015
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
Jury: Gov't Rightfully Seized 1933 Gold Coins
August 2011
The verdict capped an unusual civil case that combined history, coin collecting and whether the $20 “double eagles” ever legally left the US Mint.
The verdict capped an unusual civil case that combined history, coin collecting and whether the $20 “double eagles” ever legally left the US Mint.
Panning for Gold on Canyon Creek
August 2016
I was able to remove the gravels with the assistance of a crowbar and I scooped them up with a garden trowel. This gravel contained over a pennyweight of gold and there were several 2-grain and 3-grain pieces…
I was able to remove the gravels with the assistance of a crowbar and I scooped them up with a garden trowel. This gravel contained over a pennyweight of gold and there were several 2-grain and 3-grain pieces…
Gold From Black Sand Tailings
October 2011
The pile up on the small hill had to be a couple yards of black sand. I’m not one to ignore a little gold even if it is small in size—I have always believed that gold fever comes in all sizes.
The pile up on the small hill had to be a couple yards of black sand. I’m not one to ignore a little gold even if it is small in size—I have always believed that gold fever comes in all sizes.
Platinum Group Metals
May 1999
Platinum is only one of a group of related metals that are referred to as platinum group metals (PGMs), because platinum in its native state usually contains all six metals of the group along with some iron.
Platinum is only one of a group of related metals that are referred to as platinum group metals (PGMs), because platinum in its native state usually contains all six metals of the group along with some iron.
Drive Under Way to Restore the Rights of Suction Dredgers
September 2009
California Governor Schwarzenegger signed SB 670 on August 6, 2009, which temporarily halts suction dredging in California until a new Environmental Impact Report (EIR) is completed. This was despite a request from...
California Governor Schwarzenegger signed SB 670 on August 6, 2009, which temporarily halts suction dredging in California until a new Environmental Impact Report (EIR) is completed. This was despite a request from...
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