Gold Ore

[southfork]

A little sample that was found with a metal detector. Crushed by hand then panned to wash away some of the dirt and clay? The photo is macro so real small particles, but the quartz shows and what looks like iron and free gold. I think we need a small smelter to retrieve the values trying to speed up the recovery what's your thoughts ?

 

[southfork]

I'm trying the same outcrop but a hundred feet north east. I single jacked 3/4 of a bucket a trip through the jaw crusher and the chain mill started washing the slurry 2 hours flat not bad for an old guy. Now if there's a little gold that will make my day. It will take a good part of the day to run this load across the ribbed sluice real slow for the micro gold.

 

[Tesorodeoro]

I'm trying the same outcrop but a hundred feet north east. I single jacked 3/4 of a bucket a trip through the jaw crusher and the chain mill started washing the slurry 2 hours flat not bad for an old guy. Now if there's a little gold that will make my day. It will take a good part of the day to run this load across the ribbed sluice real slow for the micro gold.

My dad crushed some quartz from around his house, which by all accounts should be void of gold and he said he got a few colors. I suspected he had contamination, but he insisted they had color. Wouldn’t have known that was even a possibility given the geological formations and the lack of any diggings if he hadn’t crushed and panned it. He’s been gold mining for his entire life and not tested a single rock there.

 

[Tesorodeoro]

I'm trying the same outcrop but a hundred feet north east. I single jacked 3/4 of a bucket a trip through the jaw crusher and the chain mill started washing the slurry 2 hours flat not bad for an old guy. Now if there's a little gold that will make my day. It will take a good part of the day to run this load across the ribbed sluice real slow for the micro gold.

A suggestion..look 200’-250’ either side of your deposit for a parallel vein. It’s fairly common.

 

[southfork]

A little slow on the prospecting its brush burning and cutting time. But we uncovered a few old digs and our quad trail is improving at least for me. A good start on next years firewood and removing some of the ladder fuels my sons doing the cutting and I'm burning. We've opened up some big stands of brush a park in the making. It will look like this spot that fire brushed a long time ago turning green after the recent rains.

 

[southfork]

A good reason to clear brush from our dig date stamp is wrong just a couple of days ago. Thats one of our goats that the mountain lions killed the night before we baited the game camera. Night metal detecting could be dangerous.

 

[southfork]

With all the talk about shaker tables lately and rainy weather I started rummaging through my junk. So far, I built frame out of 1" 1/2 square tubing from an old barn door 3' x 2' x 4' feet and have door track for roller guides for the table. 3/4" inch Plywood for a test table 2' x 4' will build one out of high-density plastic after I figure out the eccentric drive mechanisms and types of grooves that work the best for my use. So far I spent fifty bucks for plywood for design use easy to work with to work the bugs out. I have some por 15 type paint to coat the table and some old electric motors to play with Happy Mining.

 

[desertgolddigger]

With all the talk about shaker tables lately and rainy weather I started rummaging through my junk. So far, I built frame out of 1" 1/2 square tubing from an old barn door 3' x 2' x 4' feet and have door track for roller guides for the table. 3/4" inch Plywood for a test table 2' x 4' will build one out of high-density plastic after I figure out the eccentric drive mechanisms and types of grooves that work the best for my use. So far I spent fifty bucks for plywood for design use easy to work with to work the bugs out. I have some por 15 type paint to coat the table and some old electric motors to play with Happy Mining.

Looking good. I'll have to build mine out of 4x4's and 2x4's.

Will be interested to see your drive mechanism.

 

[southfork]

Looking good. I'll have to build mine out of 4x4's and 2x4's.

Will be interested to see your drive mechanism.

Just a couple of v belt drive wheels with an offset drive attached arm or arms. To a pivot point under the table think of an old steam locomotive. I have several old electric motors just have to slow them down big pulley will help. I'll let somebody else do the math on the rpms to slow down so I can convert to a back-and-forth motion and still have a lot of torque. I painted the table today looks like liquid rubber I will thin down a second coat in the morning flex seal ? an old can label has seen better days.

 

[southfork]

Looking good. I'll have to build mine out of 4x4's and 2x4's.

Will be interested to see your drive mechanism.

Wood will work great good bolts glue and paint to seal.

 

[Reed Lukens]

With the constant shaking, I can't see how wood would work at all... You are throwing a lot of weight around & around.

 

[desertgolddigger]

Here's a video of what I mentioned above. It's super simple form those with woodworking skills, and an ability to shape and put together metal. Note the table driver. All it is, is an arm attached to the table, and the arm attached to an offset hole on a metal disk which is mounted on the electric motor drive shaft.



Also note that the table, and support base is nearly all wood.

 

[pepperj]

Just a couple of v belt drive wheels with an offset drive attached arm or arms. To a pivot point under the table think of an old steam locomotive. I have several old electric motors just have to slow them down big pulley will help. I'll let somebody else do the math on the rpms to slow down so I can convert to a back-and-forth motion and still have a lot of torque. I painted the table today looks like liquid rubber I will thin down a second coat in the morning flex seal ? an old can label has seen better days.

I'm not sure if this calculator helps you selecting the right sized pulley for the RPM of the motor.

Pulley Calculator. RPM, Belt Length, Belt-Surface Speed, Animated Diagrams - Metric

Visually Calculate Pulley Size, RPM, Belt Length and Speed - Animated Scaled Diagrams - Metric

www.blocklayer.com

 

[southfork]

With the constant shaking, I can't see how wood would work at all... You are throwing a lot of weight around & around.

I understand your thinking, but I have an old becks Dry washer gasoline powered that's wood. With steel axles bearings and wheels that has worked great with a lot of shaking and vibrations. Looks like the slides / rollers will absorb a lot of the vibration that will transfer to the frame. But I have a welder and steel lol

 

[Reed Lukens]

Looking good. I'll have to build mine out of 4x4's and 2x4's.

Will be interested to see your drive mechanism.

When you said 2' x 4's, etc, I was like... No...
There's a lot more then just wood under that table in the video. That's a solid platform bolted to the floor. The decks on mine are plywood with fiberglass tops but everything else is either iron or steel and it operates basically the same as in the video other then mine has drop chutes for the gold as well, so it doesn't pile up along the edge of the table, where it can be mixed with the other heavy minerals.

 

[southfork]

Raining here I have some old woodworking tools that I haven't used in 40 years time to cannibalize for parts. I wonder how long a Sawzall would last it has the right motion and variable speed. And an old band saw with adjustable pulleys or an old worthless harbor freight drill press with different sized pulleys. At least 3 old motors that still spin and plenty of steel parts to weld cut or grind. Just thought of another piece of junk wood shaper that never had enough power to work right but has a nice motor. Happy Mining

 

[desertgolddigger]

When you said 2' x 4's, etc, I was like... No...
There's a lot more then just wood under that table in the video. That's a solid platform bolted to the floor. The decks on mine are plywood with fiberglass tops but everything else is either iron or steel and it operates basically the same as in the video other then mine has drop chutes for the gold as well, so it doesn't pile up along the edge of the table, where it can be mixed with the other heavy minerals.

Reed, It's all very well and fine to have metal bases, but I don't have metal, nor the tools to work with it. My tabletop will be on linear rails/bearings, so violent shaking shouldn't be happen. Anyway, this is southfork's thread, and I need to address my build on my own thread.

 

[Assembler]

A little sample that was found with a metal detector. Crushed by hand then panned to wash away some of the dirt and clay? The photo is macro so real small particles, but the quartz shows and what looks like iron and free gold. I think we need a small smelter to retrieve the values trying to speed up the recovery what's your thoughts ?

Two cents here.
Grind up finer and try blowing off more of the clay / silt first before running over your rib mat. Then melt the rest. I thinking a lot less flux will be needed if you can remove the clay and silt first.

 

[southfork]

Two cents here.
Grind up finer and try blowing off more of the clay / silt first before running over your rib mat. Then melt the rest. I thinking a lot less flux will be needed if you can remove the clay and silt first.

Way past that old post from Apr 22, 2022 and I don't like dust.

 

[southfork]

I disassembled an old yard sale band saw $20 bucks has a nice dual live axle 5/8" with bearings and cast mounting frame with a tilting table. The motor runs perfect but way too fast 3400 + RPMS no wonder the blade was always jumping off old bench model with home-built modifications. The axle assembly I will use easy to mount base is already factory drilled. Lunch time then I'll tear something else apart. The stand was homemade and heavy with every nut and bolt loose made plenty of noise.

 

[Assembler]

Way past that old post from Apr 22, 2022 and I don't like dust.

Well no one responded and gave it two cents. Most people don't care for dust either. Dust bowl comes to mind......lol.