Ask The Experts

January 2016 by Chris Ralph

A Model Mining Operation

August 2014
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.

Detecting Basics: Lose the Bad Habits Not the Gold

February 2017
I will make the assumption that when any of you take a detector in your hand and head out prospecting for gold you are probably anticipating finding some gold. That’s the general idea, right?

How to Field Evaluate A Placer Property

January 2015
If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.

Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks

June 2014
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.

Ask The Experts

August 2016
Which comes first, claim filing or staking?

Small-Scale Concentrating and Recovery Methods

April 2011
The first step in my recovery process after milling the ore to the desired size is to table it. On this particular ore, I get good results milling it to minus 100 mesh.

Refractory Gold Processing

February 2013
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.

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