Professional Equipment for Serious Detectorists!

Magazine

Small Mining Operations

A Test Grid Dredged for Gold Values

The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.

Online access required. Please LOGIN.

Add a Comment

Additional articles that might interest you...

A Model Mining Operation


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.

Nice Specimen Gold Recovered in Northern California


Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.

What To Look For—And Look Out For—In A Placer Mineral Report


Buying a placer claim or investing in a placer mining property comes with plenty of financial risks. You need as much information as possible about the mineral deposit in order to minimize those risks.

Placer Channel Sampling


Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.

Digging It Dry


I believe dry washing is an underappreciated prospecting method. There are plenty of places where there is some pretty decent gold to be had, but the spot is a long way from any water and dry processing may well be the best way to go.

Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project


In Part Two of my two-part series I describe the mechanized alluvial gold mining operation on the lower Puruni River launched by Sacre Coeur Minerals in 2011.

Moving The Big Rocks


The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me. 

Subscription Required:
The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts - Are there different “ferro” products processed out of the ore?   • Ask The Experts - How hot does a furnace need to be to get rid of sulphides?   • Ask The Experts - Will this paystreak be downriver off the trailing edge of bedrock?   • Putting Together A Small Free Gold Mill—Part II   • Chasing Float Gold—The Starry Night Wash   • 2018 National Mining Hall of Fame Inductees   • Michigan House Votes to Give Mining Operations More Flexibility   • Mineral Exploration On The Rise   • 18 Acquitted in Massive Brussels Diamond Heist   • Captain Obvious Strikes Again   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
PLP Update   • California to Allow Suction Dredging in 2019?

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fine Gold Recovery Equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue