Drywashing for Fine Gold
October 2017 by Alex Dolbeare
When working fine gold placers with a drywasher, there are some natural variables that can be beneficial as well as others that can be a hindrance to achieving good recovery.
Lately I’ve been having success utilizing two types of detectors in succession. The first is a pulse induction (PI) detector with a blanket-style antennae, and I follow it up with a very low frequency (VLF) detector.
Four nuggets, ranging from one to four pennyweight, had been found originally. All four nuggets were found in a line about ten feet apart from each other.
This fine gold that is so common is probably the most notorious for eluding our riffles and mattings.
...a large number of these aspiring miners developing their operations seemed to have missed "Placer Mining 101" somewhere along the way.
...it's very refreshing to hear that some of our youth will learn of the value of mining without all the environmental spin.
I had some success following this premise this summer, finding a few nuggets in places I think I overlooked in the past.
The biggest nugget I have found detecting here was three grams and the following weekend someone found a 9-gram nugget while detecting. Some have even found quarter-ounce nuggets, with one being a chevron nugget.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - Where should I get my geology degree? • Ask The Experts - How much rock shall I crush to determine the value? • Placers Directly Associated with Lode Deposits • Is It Time for a Change? New Ways to Find More Gold • MMAC Update • Silverton's Gold • Procuring Mine Owner Permission at a Mine Site • Champions Crowned at the California State Gold Panning Championships • ICMJ Gold Prospecting and Mining Summit Postponed • Kennecott Copper Mine, Kennecott, Alaska • High Prices for Gold, Silver & Copper: What Does it Mean for Prospectors? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices