Before you go too far from the pile, watch out as you may be on top of a shaft as much as in a tailings pile. I have seen some planked over and rotted, leaving a ring around the collar of a shaft and a deep hole in the middle.
Strangely, the miners in this area didn't do shafts. Only adits. The portal is often fallen in, but the shape of the pile usually tells you where it is.
Found some of this in Nevada. It was along this contact between a Jurassic granite and possible arkosic sandstone. Dodecahedron pyrites. First rock sampled was in a pile that rolled from an old adit had "high" silver, but the rest of the rocks analyzed had nothing. Felt like it could actually be a promising spot, but my Geology skill was too low to figure out the mystery.
Historical miners got really good a picking the good stuff by eye so most of the stuff on the dumps will be rubbish, but occasionally you find a piece that tells you the story.
Another very informative video. Would be great if you could explain the indicators they were looking for on the surface that would prompt them to dig an adit/portal. Then go into a mine and explain how it lead them to veins of ore or whatever they were chasing.
In this case, it seems that wherever there was a quartz vein outcrop 1m or more wide with significant gossan after sulphide, they would go down slope about 20m and tunnel under the vein. Shafts were very rarely used in this area. That seems common practice in Asia.
Most of the pieces I showed in this video are infill rather than alteration, but this vein is surrounded by QSP alteration and it makes the same colours because it has lots of pyrite.
Before you go too far from the pile, watch out as you may be on top of a shaft as much as in a tailings pile. I have seen some planked over and rotted, leaving a ring around the collar of a shaft and a deep hole in the middle.
Strangely, the miners in this area didn't do shafts. Only adits. The portal is often fallen in, but the shape of the pile usually tells you where it is.
Found some of this in Nevada. It was along this contact between a Jurassic granite and possible arkosic sandstone. Dodecahedron pyrites. First rock sampled was in a pile that rolled from an old adit had "high" silver, but the rest of the rocks analyzed had nothing.
Felt like it could actually be a promising spot, but my Geology skill was too low to figure out the mystery.
Historical miners got really good a picking the good stuff by eye so most of the stuff on the dumps will be rubbish, but occasionally you find a piece that tells you the story.
Another very informative video. Would be great if you could explain the indicators they were looking for on the surface that would prompt them to dig an adit/portal. Then go into a mine and explain how it lead them to veins of ore or whatever they were chasing.
In this case, it seems that wherever there was a quartz vein outcrop 1m or more wide with significant gossan after sulphide, they would go down slope about 20m and tunnel under the vein. Shafts were very rarely used in this area. That seems common practice in Asia.
great info"
Always good to know that someone found my info useful. :)
thank you this was really helpful. could u please upload more videos related to finding gold and other base metals?
That's great. Every time I see something useful in the field, I try to make a video that explains it.
Interesting… Thank you for this video
Thanks. Hope it helps you to find some interesting rocks!
Nice pyrite, mineral collectors would appreciate that!
Interesting that the miners threw most of it away. They were only interested in ore with chalcopyrite or sphalerite.
Love seeing devils dice, gold is never far.
Yep. Pyrite crystals are special :)
@@GeologyUpSkill there are areas in western australia where there are 1000's of them laying out in the open. Very cool to see them
Excellent video
Thanks Russell.
Nice video nick!
Thanks John.
Is it 🆗 to call it a QSP alteration???
Most of the pieces I showed in this video are infill rather than alteration, but this vein is surrounded by QSP alteration and it makes the same colours because it has lots of pyrite.
Brilliant Gone from Laos but only a click away > Nick Tate> Cheers mate, Geo knowledge at your fingertips, Aussie style
Thanks Don. I'll be back ;)
where is Heechan!!
Holding the camera!
Do you have a email so I can share some sample pictures with you?
Best way is to message me through Linkedin so I can comment directly on anything you send. www.linkedin.com/in/nick-tate-17714a13/
Please explore my place❤
I hope I get a chance to see your area.