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Ancient Mining Tools and Techniques

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  Updated on December 18, 2023                                                       * John has prospected for gold in Arizona 13 years. His experience taught him to deal with the terrain, heat, and gold fever. He makes tools. Electrum coin from Ephesus, 620-600 BC, known as Phanes' coin. Obverse: Stag grazing   Gold, Silver, Copper: Charming Jewelry Evidence has it that gold has been mined since about 3000 BC. The oldest objects of gold were discovered in the Sumerian capital of Ur, which is in the southeastern part of present-day Iraq. There, a royal tomb was excavated, revealing gold chains for jewelry. From 2500 BCE on, gold was produced for jewelry and found in Egyptian tombs. Objects have been discovered, including necklaces, bracelets, earrings, rings, diadems, pendants, pins, and brooches. The ancients mined it for their rulers for...

The Highbanker: An Automatic Power Sluice

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  Updated on December 14, 2023                                                            * John has prospected for gold in Arizona 13 years. His experience taught him to deal with the terrain, heat, and gold fever. He makes tools. A modest highbanker   Fundamental Highbanker There are two things common to gizmos designed to separate gold from heavy fines: water and agitation. All agitate, and nearly all use water. This write-up will discuss the mechanism of the highbanker with attention paid to advantages and disadvantages. Design The highbanker is a device that cobbles two traditional machines of the Old West prospector. It is mainly composed of a hopper and a sluice. The hopper holds material and feeds it onto the sluice at an adjusted rate. Note that in a river or creek, the angle the sluice is held at does not have to be ext...

How to Set Up and Use a Gold Sluice Box

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   Updated on December 29, 2022 * John has prospected for gold in Arizona 10 years. His experience taught him to deal with the terrain, heat, and gold fever. He makes tools. Mini sluice assembled   About Gold Prospecting Materials With gold-prospecting, trial and error are important to developing technique. It may be hard to find gold, but not because of the sluice setup. If the material you are shoveling onto the sluice opening is all being washed away, you need a smaller angle of submersion. If nothing is being washed away, you need a lower angle. Somewhere in between these extremes is the best adjustment. This article will cover how to set up a sluice along with a bit of its history. Stream Sluice Setup Water should enter the wide end of the sluice. It is frequently made of metal but might also be of wood or plastic. It is the wide end and quickly tapers to the width of your riffled material. Weighting down your sluice may be necessary. The sluice will be carried downs...

Spiral Wheel Gold Panning Machines: Automated Gold Recovery

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  Updated on August 28, 2023 John has been prospecting for gold in Arizona for 10 years. His experience has taught him how to handle the terrain, heat, and gold fever. The Gold Miner Spiral Panning Machine with Action Packer A Spiral to Keep You Busy If you're having trouble relaxing and are always looking for a way to make a little money like me, this discussion may be for you. Recreational gold prospecting has taken off as a hobby throughout the United States. It is a great pastime for one person and can also be a wonderful family activity. I tend to spiral out of control if I'm not working. I get panicked and don't know what to do with myself. — Rose Byrne The Theory Behind Spiral Panning Like many machines used to separate gold from paydirt, the spiral wheel uses two forces to deposit gold into a little plastic pail suspended by a handle behind the spiral. The spiral is powered by a small 12V motor (about 12 revs a minute) and water is sprayed onto the spiral near the s...