Determining The Optimal Crushing Size for Gravity Recovery
February 2020 by Steve Gaber
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.
I pulled out the nuggets I had worked on previously and looked at the size of the wire basket that the items to be cleaned are placed into. It looks much like a miniature french fry deep fryer.
Over 200 panners competed in this two-day event to decide who was the best of the best.
His findings were not exaggerated—after running 82 buckets of gravels in two days we had a remarkable 27.8 grams of gold!
Lots of prospectors are trying out nugget detecting for the first time and finding out that it isn’t all that easy. In fact, in my opinion, metal detecting for nuggets is perhaps the most difficult form of prospecting that one can take on.
In some areas these channels were thousands of feet wide, and just figuring out where you are in some of these diggings is a challenge.
Once you have a detector, learn how to use it and get out in the field—you can’t find anything with it in your garage.
While sitting there, I wondered if I should go over the hole again. I did and got a louder signal that turned out being about another twelve inches deep.
The Bawl Mill • Ask The Experts - Can you explain how caliche forms? • Ask The Experts - How does gold form? • Ask The Experts - Do you think it’s realistic for a detectorist to recover a couple of ounces per week if working full time? • Ask The Experts - Can you suggest proper discrimination settings for my detector? • Time to Stake Your Own Mining Claim • A Day On The Yuba River • Gold Prospecting for Better or Worse: The Pains of Prospecting • To Foam or Not to Foam • Following Man-Made Ditches to Recover More Gold • Sixteen to One Gold Mine: Going Underground - Pt II • All About Native Silver • Internet Forum Gold • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices