Picks & Pans: Gold Recovery in Placer Mining Operations
August 1999 by StaffTwo of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...
A few months later, a young, greenhorn lawyer agreed to pay to have it assayed, and the quartz turned out to be rich in both gold and silver.
Three homonyms come to mind when I think of gemstones, gold and vegetables: carrot, carat and karat. Let’s look at carrot first.
Mining “giant” John A. Miscovich died August 22, 2014, at the age of 96. He was the well-known inventor of the “Intelligiant” water cannon.
...two jadeite locations in California have been thoroughly researched by geologists. There are no doubt others that lie in wait.
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
The Bawl Mill • Our Readers Say • New Oregon Mining Legislation Friendly to Small Miner • Cutbacks at S. African Mines—Britain Blamed • BLM Reports That 'Mining' Brings Most Public Reward • Long-Term Camping Plan at Fortymile Proposed by BLM • "No Gold Sales" Says Nevada Senator • Panel Cuts Park Monies, Eases Mining Restrictions • State May Re-Examine Plans on Dredge Use Near Hope • Company Notes • Jim Butler's Political Career • Nevada Looks to Tourism to Fill Mining's Gap • PGMs in the United States • Miners Claim Victory in Fight That Began with Protest • U.S. Admits Botching Indian Funds Accounts • Gold Fever • Roads Protecting Grizzlies Reopen • Guanajuato Silver, Mexico • Roosevelt: From Boom Town to Mountain Lake • Dollar Must Slip for Gold to Rise • Looking Back • 1999 National Mining Hall of Fame Inductees • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices