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.
Some claim they can smell gold. This may be, but when I take a whiff of gold, I smell dirt, rotten eggs, garlic or just nothing: my nose is everything but sensitive.
The very first thing to find out...is if the detector has the ability to be ground balanced.
Prospectors have many reasons why they might want to break rocks. These include dividing up a specimen too large to carry.
In order to see what geologic maps can do, we need to think about what we are looking for.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Many specimens have a small amount of gold and are not pretty to look at. There is a nifty way to give them a makeover and make them much prettier than they were when you found them.
This fine gold that is so common is probably the most notorious for eluding our riffles and mattings.
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