Operation And Application Of Magnetometers
October 2014 by Chris RalphThe technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.
Let’s set up a thought experiment: Suppose you had some material that ran one ounce per ton gold, which is generally considered high grade to fantastic grade depending on the circumstances.
South African gold miners are turning their anger towards Britain, charging that the sale of 25 tons of gold by the Bank of England has depressed gold prices and put them out of work.
The other opportunity that I see is in seeking unusual types of deposits. Specifically, the prospector would be searching for the stuff no one (or almost no one) is searching for. These deposits are effectively hiding in plain view.
This is just the type of specimen that could have been easily ignored by the old-time miners. It felt a little heavier in my hand than a chunk of quartz of that size ought to have been.
They… create negligible fumes and much less fly rock than blasting. Below are some tips on maximizing your effectiveness with these tools.
Imagine you have located a source of virgin placer ore containing immense gold value. Now imagine that there is a 10-ton monolith of extremely hard gneiss in between you and payday.
There are good and bad ways to melt gold. In this article, we’ll take a look at the right way to melt gold without losing any of the valuable metal.
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Ganes Creek After The Flood • A Trip to Morgan-Monroe State Forest of Indiana • The Pedro Gold Dredge • Detecting Alone -- What to Look For • Over the Divide: John A. Miscovich • What Equipment Do I Need? • Why Did This Silver Mine Close? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices