crevicing 21 black sand gold recovery in afghanistan

Jan 20 2019 · BLACK SAND RECOVERY Heres How You Do It Getting upto 99 of your Gold out of the Black Sand Concentrates 1FOR STARTERS What youll need to process Black Sand Concentrates one 12 classifier one 20 classifier two gold pans water wash tub few 5 gallon buckets micro sluice or gold wheel tumbler Keene Gravity Bowl 2 Your first few steps

Home Gold Mining Equipment Black Sand Magnets Gold Magnet Black Sand Gold Recovery Part 2 Black Sand Concentrates Fine Gold Recovery Equipment Gold Prospecting FREE TIPS Dry Land Dredging Gold Vacuums Crevicing Sniping for Gold Nuggets

May 02 2017 · Im glad I saved all of my left overs I purchased a Blue bowl and ran in three different runs 30 30 and 100 Not only did it separate the 100 from the black sands the amount of gold that the Black Magic lost in the 30 to the 100 range was eye opening The Black Magic is put away and waiting for a buyer

The weight of average material differs from one location to the next but on the Klamath average gravel weight is around four times heavier than water So a typical recovery system will recover all or most of the gold along with a bunch of iron sand – called “black sand” We could see a lot of gold in the recovery system

In 1990 John McCann struck a pay streak on the Trinity River He and his partner recovered 1374 grains of gold nearly 3 ounces in 10 working days Each day they did a clean up from their 6 dredge Each time about 50 pounds 212 gallons of black sand concentrates were processed through a MicroConcentrator with a HFBE Vibrator

Feb 17 2008 · Black Sands in the areas of North America that I am familiar with are usually comprised of Magnetite Fe2Fe32O4 and Hematite Fe2O3 Both minerals are dense enough to irritatingly interfere with gold recovery from the densest stream concentrates

BULK BLACK SAND MAGNET make short work of your heavy gold panning concentrates This high capacity black sand magnet 9 inches tall and 3 12 inches in diameter allows loads of magnetic black sand to drop off cleanly when the plunger is lifted Ideal for cleaning up loads of gold panning concentrates quickly and easily

May 05 2017 · You can also get a good quality gold panning kit that also include classifiers snuffer bottle and other handy tools for gold recovery 21 Use snuffer bottle and magnet You will probably find lots of black sands when you are panning and sluicing for gold Some of these black sands are magnetic and you can remove them with a strong magnet

Crevice Tools for Bedrock Gold Fever Prospecting Home Gold Mining Equipment Black Sand Magnets Gold Magnet Black Sand Gold Recovery Part 2 Black Sand Concentrates Fine Gold Recovery Equipment Gold Prospecting FREE TIPS Dry Land Dredging Gold Vacuums Crevicing Sniping for Gold Nuggets Crevice Tools for Bedrock Get Price

Mar 28 2000 · March 21 2000 at 063827 So the other day I went to this spot I know and set up with a 1½ nozzle and started crevicing There is a lot of fine gold at this spot The problem is that the creek is so full of black sand that your sluice box fills up right away The gold of course then washes over the top of the riffles and out of the box