Ask The Experts: Equipment to break up heavy clay

January 2017 by Chris Ralph

Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.

The Snapshot

November 2015
Once all the numbers from all the samples and water tests are compiled, a snapshot of the performance of each tank in the process circuit can be seen side-by-side.

Care and Lubrication of a Model 13 Laboratory Wilfley Table

June 2016
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size.  For this reason, I took a good look at each of the samples.

What, Where and How for the New Prospector

September 2013
How to go about the entire process of prospecting is a big question. The answer comes down to research and preparation.

Cyanide-Free Gold Separation

February 2011
Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...

Attention to Detail - Part II

September 2016
Ditches almost always started in the high country and contoured the mountainsides, making a long drop, usually many miles away, to the goldfields. There are ditches in Trinity County that originate at seven and eight thousand feet in the Trinity Alps that carried water almost thirty miles.

A Few Pointers About Cracks and Crevices

October 2013
Because these crevices catch and hold gold so well, it's worthwhile to learn how they form, which ones are good for catching gold and which ones are not.

The Heavy Minerals in Your Concentrates

June 2016
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.

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