USA HISTORY

Detailed explanation-1: -GEOPHYSICAL PROSPECTING Five major geophysical methods-magnetic, gravimetric, electrical, radiometric, and seismic-are successfully utilized in mineral exploration. Some of these methods require complex and costly instruments and highly trained operators. Others, however, are relatively simple and inexpensive.

Detailed explanation-2: -A prospector is a type of explorer, but one with a specific purpose: prospectors are after mineral deposits. Mineral deposits are found in the ground, so prospectors will commonly be looking down. They also use various tools-such as axes and metal detectors-to find the minerals they’re after.

Detailed explanation-3: -Prospecting for placer gold is normally done with a gold pan or similar instrument to wash free gold particles from loose surface sediment. The use of gold pans is centuries old, but is still common among prospectors and miners with little financial backing.

Detailed explanation-4: -Gold Panning Tools are inexpensive and easy to come by. You can start off with a simple gold pan for under $5 and a shovel. You can add a classifier screen, pick, tweezers and other prospecting equipment. Or if you are frugal you can save some money and buy pre-made gold panning tools in kit form (see below).