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Smaller operations

The Smell of Gold—Part I


Some claim they can smell gold. This may be, but when I take a whiff of gold, I smell dirt, rotten eggs, garlic or just nothing: my nose is everything but sensitive.

The Basics of Froth Flotation


I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.

Moore Creek, Alaska—Then and Now


The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
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Nome Offshore Dredging Creates Challenges


The Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.

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.

Ask The Experts


• Making a noisy dredge more quiet
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One of the Richest Beaches Ever Mined


Everyone has heard of the golden beach at Nome, but Nome did not have the richest beach.

Small-Scale Hard Rock Mining With Water Recycling


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.

Placer Mining At Chititu Creek, Alaska


There is reason to believe these stream valleys are still rich with gold, silver and copper.
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How to Field Evaluate A Placer Property


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

Small-Scale Processing of Hard Rock Ores


Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.

Finding Gold in Tailing Piles


Old mine workings and tailing piles can represent opportunities on many levels, from the chance to simply find a nugget on up to the commercial reworking of the old tailings for profit.
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Guinea Africa: Gold, Ebola, and a Monkey Barbecue


With great relief, the equipment I chose worked well, and after shoving into three days what should have been ten days of set-up and testing, we were up and running.

The Dredge Report


As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…

Ganes Creek After The Flood


Doug told me that there had been a 100-year flood that took place in October of 2013 and it washed out part of the mile-long landing strip. It also washed a large, wide gully down below and above the camp.
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Wilfley Tables—Repair, Rebuild & Set Up


I researched the Internet and found a number of table makers, but technology has changed in the last 25 years. No one could sell me a kit for a new deck with wooden riffles...

Designing and Evaluating Placer Gold Recovery Plants


For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...

Lode or Placer: What Difference Does It Make?


This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
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Ask the Experts


Centrifugal bowls versus jigs

Conductive Minerals and Your Metal Detector


...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.

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