Don't use toxic chemicals with a ultrasonic cleaner, as particals of the chemicals will become airborne.
If you do use a fume hood and make sure the fumes are directed to a safe area.
Back when i ran a high grade mine in Allegheny Calif we ran into high grade pockets and all of them had low...
I have found a number of nuggets on dry washing piles in goler and the summit digging
back in the days when i ran a dry washer, i raked my piles and detected them.
Then I found a rock type that was a source of a lot if the gold in the area. (gold rides a iron horse, but you have to know what the...
For oxidized ore the best leachant is simple chlorine gas. Cheap and easy to buy in one ton tanks used in water treatment plants.
If you are going to be primary, using a shaker table for free milling gold and then leaching with chlorine and removing the gold from the pregnant solution with...
Gold can be found in volcanic rock i have mined in a volcano
the Elephant mine Soledad Mountain just south of mojave calif is the core of a old volcano and very rich in gold.
I found high grade gold ore when i mined there. at the elephant-eagle mine...
Number one is likely a adze, not a hoe.
https://www.findmytool.co.uk/encyclopedia/what-is-a-adze.php
it may have been later used as a hoe by someone that did not know its true use.
I spent 5 years detecting a old muddy gold mine and covered every stope and tunnel of the mine looking for high grade gold pockets. i would spend a lot of time up old slick muddy stopes hanging from climbing gear doing all the rock surfaces, then have to haul a drilling rig up to pop out targets...
i had a pet skunk once, kept the neighbors dogs out of the yard and never was descented. as the neighbors found out when there dogs came home.
animal control found out and we were told we could not keep it.
so the next night i released it at the animal control office.
i hope they liked it.
550 cord is not what most people think it is.
only type-III MIL-C-5040 paracord is rated at 550 breaking most 550 cord is even lesser strength and most sold the hardware stores is rated at around 250lb
if you have a 880 pound magnet you need a rope rated at 1000 pounds this gives you a safety...
i have found 5 rounds like that in the calif desert, and they were 5 inch rocket warheads.
the nose fuse area had a sharp pointed plug in it with no fuse and the base was like the base plug shown. since it had no fuse i opened one and found sand plaster filling the warhead.
i found them 5 foot...
if this is the Philippines and he is looking for yamashita's gold the last thing he needs to do is report it.
if he did report it traps are the least of his worries. people have died, been thrown in prison or just disappeared looking for yamashita's gold,
just look at the story of rogelio...
You might try an isotope assay to see what the trace elements are. This may give you an idea where the silver was mined. my guess thet they are very old and could be from a lost sattle bag.
The few times i hit the dredge tailings i looked for hot quartz rocks
not all the gold came down as nuggets many times it came down as quartz cobbles that the gold was still trapped in.
Six hundred bucks? That is not even rent for many people.
If you are on social security are they going to try to tell you what you can buy.
If you buy a $700 dollar metal detector and decide it does not work for you and you resell it for $650 will they then try to collect taxes from you even...