How To
Operation And Application Of Magnetometers
October 2014 by Chris Ralph
The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.
Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction?
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?
Geobotany: Plants Associated With Mineral Deposits
Science has shown, over the past few centuries, that there is a direct correlation between certain plants and their geophysical surroundings.
A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
The Subsurface Suction Dredge
The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...
From Curiosity to Mine Owner
His brother’s friend showed him a vial of gold that originated from his family’s mine in Honduras. Within two weeks Ernie had flown to Honduras to get a first-hand tour of the historic mine and the primitive operation underway to recover the gold.
How to Stake Your Own Mining Claims—Part II
I’d like to offer some practical comments about staking and maintaining mining claims. Owning your own claim is the dream of many prospectors. I’ve made good money off my mining claims, both from the minerals I have found on them as well as from leasing out some of my claims to larger mining and exploration companies.
Determining the Amount of Gold in Rich Ores
This is just the type of specimen that could have been easily ignored by the old-time miners. It felt a little heavier in my hand than a chunk of quartz of that size ought to have been.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ganes Creek After The Flood
• A Trip to Morgan-Monroe State Forest of Indiana
• The Pedro Gold Dredge
• Detecting Alone -- What to Look For
• Over the Divide: John A. Miscovich
• What Equipment Do I Need?
• Why Did This Silver Mine Close?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Legislative and Regulatory Update
• Wake Up Voters! Oregon SB 838 Study Group Update
