What To Do When Gold Recovery and Assay Values Differ

May 2018 by Don Robinson

Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.

Prospecting for Diamonds in Kimberlite

January 2014
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.

Small-Scale Hard Rock Mining With Water Recycling

March 2015
Once I have established the presence of gold in the sample, I collect five-gallon bucket quantities of the rock material for processing back at my shop.

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.

Hard Rock University: Expensive Hobby or Real Business?

July 2015
Improper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.

The Basics of Exploration Leases and Contracts—Part I

February 2019

Let’s take a look at these important property aspects individually, because they all affect the value of a property and how much mining companies might or might not be interested acquiring it.

Successful Gold Prospecting

January 2011
There are loads of new gold prospectors attracted by the current high prices, and so I thought it might be a great time to take a look at what makes some prospectors so much more successful than others.

Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction?

September 2016

Q: With safety as a given, what can the average miner, or Joe-blow greenhorn do to identify and extract some metals or minerals with off-the-shelf products or natural ingredients?

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