How It All Began At My Gold Mine: Small Scale Underground Mining!
mbmmllc
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How It All Began At My Gold Mine: Small Scale Underground Mining!
32 183 просмотра · 11 часов назад
mbmmllc
432 тыс. подписчиков
32 183 просмотра · 11 часов назад
This is a look at how small-scale hard rock gold mining actually works—from drilling a face round and laying out a burn cut to blasting, slushing, mucking, and moving ore underground.
The video starts at our claim, where I drill a complete face round using a Gardner Denver FL83 pneumatic rock drill powered by a 185 CFM compressor. I walk through the drilling pattern in detail, including the five-hole burn cut, the unloaded zero hole, hole sequencing, keeping the drill holes parallel, and the lifters that fire last to help throw the broken rock up and out of the face.
Then we reach more than 10 years back into the archives for footage from when we were actively mining underground. The workings followed a vein roughly 2–4 feet wide, so the production drift only needed to be about 4 feet wide and 6 feet tall. After drilling and blasting, the broken ore was slushed down the drift to a drop point before being mucked and hauled out of the mine.
The old footage also shows raises above the drift, working pillars, underground sampling, and the small diesel mucker we used in the 8-by-8-foot main drift. During this mining operation, we produced roughly 300–500 tons of ore per season, averaging around ½ to ¾ ounce of gold per ton before shipping the material off the mountain to a processing plant.
It’s a rare look at the full cycle of a small underground gold mining operation—and a throwback to the years I spent working underground.
Check out our Shopify, eBay, and Merch stores for ore, specimens, cabochons, hats, shirts, and more from our mines:
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UNDERGROUND MINING EQUIPMENT
Milwaukee Sawzall: https://amzn.to/4vUpwbV
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Hammer Drill Bits: https://amzn.to/3MjLf8A
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Respirator: https://amzn.to/3RUR0Ah
Hard hat with light clip: https://amzn.to/3Iss7nL
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Masonry Hammer: https://amzn.to/4fE0hEH
Rock Hammer: https://amzn.to/4hxXak7
Sledge Hammer: https://amzn.to/4yFZBHy
Yellow Pry Bar: https://amzn.to/4fCkkTM
SMELTING SUPPLIES
Respirator: https://amzn.to/3RUR0Ah
Complete Smelting Kits: https://amzn.to/4vTTAV0
Cupelling furnace: https://amzn.to/42ZOWXV
Chapman’s flux: https://amzn.to/3Of4JO0
Anhydrous borax:
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#4 Crucible: https://amzn.to/3M92QQk
#10 Crucible: https://amzn.to/42XIsIY
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Tongs: https://amzn.to/3BB2dKp
Heat safe gloves: https://amzn.to/41MxMeQ
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FURNACE BUILDING SUPPLIES
Kaowool: 2” x 12.5’: https://amzn.to/3BB9IRO
Kaowool 1” x 25”: https://amzn.to/3Wd7ktO
Fire bricks: https://amzn.to/4pMByCP
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Water glass (sealant): https://amzn.to/45desuv
Refractory cement: https://amzn.to/4vSIqQs
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REFINING SUPPLIES
Hot Plate: https://amzn.to/3OTVjbk
Beakers: https://amzn.to/3WPtMcF
Buchner Funnel Kit: https://amzn.to/43wJ4W6
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FILMING EQUIPMENT
GoPro Hero 13 Black: https://amzn.to/4wy6cm8
Long tripod: https://amzn.to/3WpKWgW
Short tripod: https://amzn.to/3IVYdZl
#goldmining #undergroundmining #drillingandblasting